![]() What It IsĪ Smith chart is a circular plot with a lot of interlaced circles on it. This is particularly true for high-frequency environments like video lines and RF and microwave networks. In addition, for efficient power transfer, this condition is required to avoid the reflection of energy from the load back to the source. Diagram of R S + jX S = R L - jX L.įor this condition, the energy transferred from the source to the load is maximized. It is well known that, to get the maximum power transfer from a source to a load, the source impedance must equal the complex conjugate of the load impedance, or:įigure 2. This can be valid for contingencies such as RS-485 lines, between a PA and an antenna, between an LNA and a downconverter/mixer, and so forth. A Quick Primerīefore introducing the Smith chart utilities, it would be prudent to present a short refresher on wave propagation phenomenon for IC wiring under RF conditions (above 100MHz). Fundamentals of impedance and the Smith chart. They can also help the designer with such tasks as optimizing for the best noise figures, ensuring quality factor impact, and assessing stability analysis.įigure 1. Of course, matching for maximum power transfer is not the only thing we can do with Smith charts. Topics addressed include practical illustrations of parameters, such as finding matching network component values. The primary objectives of this article are to review the Smith chart's construction and background, and to summarize the practical ways it is used. Smith chart: Upon which this article concentrates.In short, this is for the super-specialist. Instinct: This can be acquired only after one has devoted many years to the RF industry.Manual computations: Tedious due to the length ("kilometric") of the equations and the complex nature of the numbers to be manipulated.In addition, circuit-simulation software is not pre-installed on computers, unless they are dedicated to such an application. They also need the expertise to find the useful data among the tons of results coming out. Designers have to be familiar with the multiple data inputs that need to be entered and the correct formats. Computer simulations: Complex but simple to use, as such simulators are dedicated to differing design functions and not to impedance matching.There are many ways to do impedance matching, including: The computational values are required to set up the type of structure and target component values. In-situ RF lab measurements, along with tuning work, have to be considered for determining the proper final values. Above a few tens of megahertz, theoretical calculations and simulations are often insufficient. The matching task is required for a proper transfer of signal and energy from a "source" to a "load."Īt high radio frequencies, the spurious elements (like wire inductances, interlayer capacitances, and conductor resistances) have a significant yet unpredictable impact on the matching network. Typically these include the antenna to the low-noise amplifier (LNA), power-amplifier output (RFOUT) to the antenna, and LNA/VCO output to mixer inputs. One is the need to match the different impedances of the interconnected blocks. When dealing with the practical implementation of RF applications, there are always some nightmarish tasks. Tried and true, the Smith chart is still the basic tool for determining transmission-line impedances. A sample matching network of the MAX2472 is designed at 900MHz using graphical methods. Examples are shown plotting reflection coefficients, impedances and admittances. Tutorial on RF impedance matching using the Smith chart.
0 Comments
![]() Click Extract all on Explorer’s command bar. Double-click the Windows 7 Games for Windows 11 and Windows 10 ZIP file to open it. Click File Explorer’s taskbar bar, and then open the folder the Windows 7 Games for Windows 11 and Windows 10 ZIP archive downloaded to. How do I add games to Windows 7?Ĭlick Download Games on that webpage. This setup program will install Purble Place and other Windows games on Windows 10 PC where all these games are missing by default. Run Win7GamesForWin10-Setup.exe The Windows 7 games setup wizard welcome screen will be launched automatically after the installer language is selected. Purble Place was made for the Windows Vista and Windows 7 operating systems and was removed in the Windows 8 operating system. The games were developed by the now defunct Oberon Media for Microsoft. Purble Place is a suite of three educational computer games. ![]() However, currently they’re supported by Windows XP and above versions of the OS Is Purble Place on Windows 7? These were first released for the Windows Vista operating system. Purble Place is a combination of casual Windows games from 2007. Next, check the Purble Place box and click Install. The installation wizard will start, and you will have to select the games you want to install from the pack. How do I download Purble Place games?ĭownload the file by clicking on the Download button at the top of the page, unzip the. It will now start installing Purble Place in Windows 11. Select Purble Place and click on Install. On the next screen, you will be asked to select the games you want to install on your device. Install Windows 7 games for Windows 10 and 11 Once the welcome screen appears click on Next to continue. Purble Place was made for the Windows Vista and Windows 7 operating systems and was removed in the Windows 8 operating system Can Purble Place run on Windows 11? The games were developed by now defunct Oberon Media for Microsoft. Purble Place is a premium suite of three computer games for children. Is the game Purble Place still available? Simply click the big play button to start having fun. This is one of our favorite mobile puzzle games that we have to play. Purble Place Online is an online puzzle game that we hand picked for. You just download, install, and voilxe0! Is Purble Place online? While the games used to be pre-installed on Windows Vista, they play smoothly on other versions of the operating system, including Windows 7 and Windows 10. If you’ve been looking for classic Windows games, Purble Place will be a great choice. Purble PlaceReleaseWW : 30 January 2007Genre(s)Action, mysteries, puzzle, strategiesMode(s)Single-player4 more rows Can I download Purble Place on Windows 7? Can you download Purble Place on Windows 11?įortunately, Windows 8 and Windows 10 users can download Purble Place and play on Win10 free.Can I install Windows 7 games on Windows 11?.Can we play Purble Place in Windows 10?.How do I play Purble Place on my laptop?.Is the game Purble Place still available?.Can I download Purble Place on Windows 7?. Located 64 Km from Marrakech, Imlil is also a gateway to the great of the Toubkal National Park… The magical site of Imlil is the starting point for many hikes, it’s a wonderful place for those who would walk in the Massif of the Toubkal. The charming little mountain village of Imlil is the crossing point to all the hikers who wish to reach the 4167 m high (Toubkal), the 22 highest mountain in Africa after Kilimanjaro. End of the trekking in Imlil where our minibus leads us in a short time on Marrakech along the way a few displays of minerals of the presahariens massifs (Amethyst, Galena, gypsum…) waiting for the barge. A nice descent takes us from arid mountain to the irrigated valleys that pass by Sidi Chamharoush to the beautiful cultivated replat of Aremd. The final way is wide and goes down gradually to approach the Summit plunging yet in great cliffs on Ifni Lake on opposite side. A stony path goes near the shelter, then it gets more narrow, crowded Valley big blocks. The ascent of the highest peak of Morocco is done without any major difficulty. Night in the Neltner refuge.ĭAY 2: REFUGE OF TOUBKAL – ASCENT OF TOUBKAL (4167 M) – IMLIL – MARRAKECH. ![]() We continue towards Sidi Shamharoush, wonderful Berber villages.cultures on the terrace, irrigation canals… Picnic lunch. We pass next to the village of Aremd (1900 m) 15 minutes of Imlil. ![]() Meeting with the muleteers, baggage loading and beginning of hiking. We leave Marrakech to Imlil at 70 km of paved road of Marrakech. ![]() Relief drops gradually to the east.ĭAY 1: MARRAKECH – IMLIL (1700) – NETLER HUT (3200 M) Trekking Atlas begins on the highest point of the massif, on Toubkal Mountain culminating at an altitude of 4167 m in the Moroccan High Atlas. The Chinese company, under pressure from the Trump administration to divest TikTok’s U.S. That’s one of the details that emerged overnight after Microsoft said Sunday afternoon that TikTok’s parent, Beijing-based ByteDance, declined the offer from Microsoft and Walmart to acquire TikTok for a reported $20 billion to $30 billion. operations, data, source code and algorithms, declining to settle for a lesser deal that didn’t put those key assets in its hands. Microsoft’s bid for TikTok fell through after the tech giant insisted on acquiring full control of the social video app’s U.S. ![]() Whether it was speaking out for those that feel marginalized, empowering women in all walks of life or just creating a product that was completely unsuspected-we learned exactly what was important to them.Oracle co-founder and CTO Larry Ellison, left, is looking to make the company a “trusted technology partner” to TikTok after ByteDance turned down an acquisition bid from Walmart and Microsoft, led by Satya Nadella, right. These are a tiny handful of the imaginative ways artists reacted to life’s happenings through their creative approach and came together to portray a larger narrative of the need for specific advocacies. Her sister Solange empowered women through her book and album release, A Seat At The Table. The Knowles sisters - Turning the lemons handed to her into a refreshing bittersweet sip of Lemonade, Beyonce released a full album via an HBO special. Described as an album that was “rooted in anxiety and mourning,” by Rolling Stone, we can see how swiftly they wrote and disseminated their message about results in November. When I analyze lyrics from their albums I can’t help but notice the undertones of urgency around movements like #blacklivesmatter, a major conversation had now and expressed musically through funky notes theming back to the 70’s as Donald Glover notes his inspiration.Ī Tribe Called Quest let us know “We Got It From Here.” - While I’m still dizzy from this year’s debates, the guys from A Tribe Called Quest wrote to cut through the thick space in protest of the election topics and sent out their message using their art as best they could. Also all highly anticipated-these three were all albums that generated memes and trending conversations on Twitter as fans waited with bated breath. ![]() Like any device we have, there’s always something that can be updated.įrank Ocean, Childish Gambino and J.Cole’s album drops - Each unique to their usual approaches to creating music. I find that the ephemeral approach to creating this album shows how significant edits and evolutions of work are. Kanye West’s “The Life of Pablo” - while Kanye is known for changing up his sound on each album, the release at NYFW was a first-ever streaming album drop + fashion performance, a “living” album according to Complex. Coupled with the inevitable, soul-draining presidential debates and losing Prince, 2016 served as a catalyst for many to speak up, innovate and use their medium to react in a way that they may not have considered before.Īs I learn to cope with this year’s series of events and personally adapt to the balance of changing cities and jobs, I find comfort in knowing I too have the ability to reinvent the wheel in my creative approach to designing my life’s mosaic in 2017.Īs I’m a hip hop and funk music junkie, here are a few music moments from this year that were rich with unpredicted styles and reactions where we saw people dig deep into their work: It startled us, rattled our bones and moved us to the point where we needed to hit a serious refresh in our approach to creating. Pop culture-particularly in the last year-was riddled with tragedy. His music could not be defined by a single word or sound and his style was like nothing you or I could ever dream. ![]() A pioneer in music, art, fashion, etc-the legacy this human left behind truly embodies how life is an ever-constant journey of transition. I’d argue he was the master of change, and the origin of most trendsetters we see today. Tessellate: to create a mosaic using triangles.īeginning in January, the world took a blow with the death of beloved creative genius David Bowie. When paired with other symbols, it can also read as a reaction when under heat.Ģ016 was the year in which we all carried our own delta signs and tessellated. In math/science (not my forte but I dig it when I can speak in symbolisms) the delta sign means change. ![]() This shape carries major significance to me. Yes, the three points where three lines meet. Like alt-J sings, “triangles are my favorite shape”. I also encourage you to check out my other posts on Machine Learning.įeel free to leave comments below if you have any questions or have suggestions for some edits. Dimension dim of the output is squeezed (see torch.squeeze () ), resulting in the output tensor having 1. dim refers to the dimension in this common shape. x1 and x2 must be broadcastable to a common shape. Returns cosine similarity between x1 and x2, computed along dim. In this article we discussed cosine similarity with examples of its application to product matching in Python.Ī lot of the above materials is the foundation of complex recommendation engines and predictive algorithms. torch.nn.sinesimilarity(x1, x2, dim1, eps1e-08) Tensor. But the same methodology can be extended to much more complicated datasets. Of course the data here simple and only two-dimensional, hence the high results. Note that the result of the calculations is identical to the manual calculation in the theory section. We will break it down by part along with the detailed visualizations and examples here. Well that sounded like a lot of technical information that may be new or difficult to the learner. Let X be the matrix where the rows are the values we want to compute the similarity between. which is straightforward to generate in R. It is calculated as the angle between these vectors (which is also the same as their inner product). As we know, the cosine similarity between two vectors A, B of length n is. Cosine similarity overviewĬosine similarity is a measure of similarity between two non-zero vectors. The concepts learnt in this article can then be applied to a variety of projects: documents matching, recommendation engines, and so on. And we will extend the theory learnt by applying it to the sample data trying to solve for user similarity. ![]() In this article we will explore one of these quantification methods which is cosine similarity. There are several approaches to quantifying similarity which have the same goal yet differ in the approach and mathematical formulation. Both vectors need to be part of the same inner product space, meaning they must produce a scalar through inner product multiplication. Specifically, it measures the similarity in the direction or orientation of the vectors ignoring differences in their magnitude or scale. One easy solution for this is to break the symmetry, by moving any one of the points by a small random amount, and then it will have a solution again.A lot of interesting cases and projects in the recommendation engines field heavily relies on correctly identifying similarity between pairs of items and/or users. Cosine similarity is a metric used to measure the similarity of two vectors. That's because there's no loner a unique most similar point.įor example the centroid for the north pole and the south pole could be any point along the equator. Note that this method will fail if there's too much symmetry of the points.įor example if they lie on a regular polyhedron centred at the origin then their mean is zero. So if you want to calculate a centroid of a group of points with respect to the dot product, then normalise the vectors and average them. That is the centroid lies along the line from the origin to the geometric midpoint in cartesian coordinates of the points on the unit sphere. Taking second derivatives shows this is actually the maximum of L. The cosine distance between two vectors v and w is given by the rather obtuse formula \( \frac \) is some constant, constrained by the normalisation condition that it lies on the unit sphere. The cosine distance between two n-dimensional vectors is the cosine of the great circle distance of their projections unit (n-1)-sphere. We will break it down by part along with the detailed visualizations. It is calculated as the angle between these vectors (which is also the same as their inner product). ![]() Surprisingly it's not much more complex than finding the geometric centre in euclidean space, if you pick the right coordinate system. Cosine similarity is a measure of similarity between two non-zero vectors. Then you can talk about how well formed the group is by the average distance of points from the centroid, or compare it to other centroids. Suppose you have a group of points (like a cluster) you want to represent the group by a single point - the centroid. Cosine similarity is often used as a similarity measure in machine learning. ![]() Thus, to manage the document in the proper way and to avoid loss of data, a user can deploy PDF Merge strategy. As there is a large number of documents stored on one single machine, they can lose very easily in the case of accidental or unplanned deletion. ![]() Therefore, countless documents like around 100 to 1000 require proper handling and management. It is really obvious that a user can have any number of PDF documents on its local machine. Need for Combining Multiple PDF Files into One Now, the question arises, how to join multiple PDF into one? Thus, in this write-up, we have covered all possible solutions to join multiple PDF files in an efficient manner. However, to deal with such kind of issues, a user needs to merge PDF files in batch. It is a simple and reliable file format used by users with a commonly-compatible environment.īut, sometimes, a user has multiple files on his or her system like 200, then it becomes really difficult to manage and leads to data corruption. But from 2008, it has been used as an open standard for the exchange of e-reports that includes content along with images between the PC users. Earlier, it was the restrictive format, which is managed by the Adobe Systems. Basically, the main use of the PDF files is to share or exchange them without any dependency of application, hardware, and operating system. However, PDF documents are step by step changing into the de-facto transferring files online. PDF file or Portable Document Format is one of the best ways to share and print large files safely. Here, in this post, we have discussed how to merge several PDF files in batch at any time from any place without compromising content and folder hierarchy? Are you finding the solution to merge PDF files in batch on your system? Is it really difficult to manage a number of PDF files? If you are also having the same query, then you are at the right place. ![]()
Discover eight mind-blowing powerups, collect valuable resources, and earn gold to buy extra time to complete the skillfully designed levels! Raise Rome from a small settlement into a thriving empire as you tackle 100 levels of matching fun. ![]() Help Natalie Brooks stop the Black Cat Gang from committing the crime of the century! Features over 20 eye-popping levels packed with cleverly hidden objects, challenging mini-games and mind-bending puzzles. Natalie Brooks - Mystery at Hillcrest High Throw in a spoonful of romance, and 2 Tasty just might be the most satisfying casual game you’ve ever played! Skip the appetizer and go right to the main course in 2 Tasty, a tantalizing blend of hidden object gameplay and time management action. Grab your oven mitts and don your chef's hat! Cooking Academy places you in the kitchens of a prestigious culinary school! From egg rolls to pancakes, it's up to you to prepare over 50 different recipes. Do you have what it takes to crack a high-profile murder and earn recognition as a top investigative reporter? You're an aspiring reporter, hungry for your first big scoop in the male-dominated world of 1920s journalism. Will you attempt to solve 100 challenging inlay puzzles in order to keep Earth from becoming an icy prison? Easy to learn, fun to play and featuring amazing new visuals, Arctic Quest 2 will please fans and newcomers alike! ![]() Download and play it today!īuild an empire out of its grass hut roots! Gather resources, research new tools and build bigger and better accommodations as you care for your people and attract new citizens to your fold. Guide a charming hero through gorgeous worlds crammed with visual detail and execute dazzling double-jumps with ease! Turtix is a new arcade adventure that heralds the rebirth of the classic side-scrolling platform game. Rule a primeval world in Jack of All Tribes! From its seamless blend of time management and building simulation gameplay to its gorgeous graphics and intuitive controls, Jack of All Tribes is a village builders dream come true! Features awesome visuals and challenging new gameplay! ![]() Join her as she matches artifacts and activates ever-more powerful magic totems to complete her quest. Emily Jones as she sets out to solve a mystery that reaches across time to transform the world. The Treasures of Montezuma is as thrilling as an adventure movie and as awe-inspiring as the quest for eternal life! Take the role of the beautiful and intelligent Dr. Marshal all of your time management skills to restore life to an uncharted island and fend off a parade of pirates! Featuring 80 levels of exciting point-and-click action, Youda Survivor will make you feel like a modern day Robinson Crusoe! Uncover the shocking secret of a sunken settlement in this beautifully drawn adventure game! Beneath it, a dark and cold lake that was once a thriving town. Download and play this gripping title before you lose your nerve!īecome a pro gardener in this cutting hedge game! Comb the rooms of a gorgeous mansion for hidden items and restore a once stunning garden to its former glory.Ī lonely and forgotten structure leaning from a cliff. Set in Eastern Europe at the end of the 19th century, Exorcist is a captivating hidden object adventure about the ability of supernatural forces to impact human lives. Collector's Edition comes with concept art, music, deleted scenes, desktop wallpapers and a shocking prequel chapter! Search for clues, solve puzzles, and unlock new areas as you visit spine-chilling locations, play stimulating mini-games and locate hidden objects. Shockwave has a large selection of fun online and download dress up games.Stray Souls: Dollhouse Story Collector's Edition ![]() has games for everyone - free online games, free download games and new daily games each week, not to mention game reviews and ratings, a community full of gamers and plenty of exclusive member perks. You'll enjoy unlimited play on all download games, no ad interruptions on all online games and brand new games each week. If you're a gamer looking for some serious fun, join Shockwave® UNLIMITED and receive access to exclusive online games and downloads for a low monthly fee. Best of all, is updated daily, making our library of games virtually endless! is the ultimate destination for free online games, free download games, and more! This is your chance to play games 24-7, with a ton of great categories to choose from - Action Games, Adventure Games, Card & Board Games, Jigsaws Games, Kids & Family Games, Music & Photos Games, Puzzle Games, Racing Games, Shooter Games, Sports Games, Strategy Games, Word Games, and more. add "deviceDoNotDisturbAll" to set Do not disturb for all devices, allowed value is the same as deviceDoNotDisturb.add "deviceDoNotDisturb" with allowed values as follows: boolean true/false to enable/disable or a number to set a enable-duration in seconds (up to 43.200 seconds = 12h) or use "HH:MM" as string to define an hour and minute till when it is set to not disturb.add "deviceStopAll" to stop all devices."deviceStop" can also be called with an array of devices.(Apollon77) Enhance querySmarthomeDevices to directly hand over an array of request definitions to e.g.(Apollon77) Other sequence command optimizations.(Apollon77) Fix doNotDisturb/doNotDisturbAll in sequenceCommands.(Apollon77) Fix crash case reported by Sentry.(Apollon77) Fix deviceStop sequence command.(Apollon77) Update cookie library to optimize cookie handling in other regions like australia.(Apollon77) Fix Timer/Alarm creation with just providing the time and make sure next day is used when time on current day is already over.(Apollon77) Allow sendSequenceCommand method to also send commands to multiple devices (when supported by the relevant command like doNotDisturb).(Apollon77) Fix doNotDisturb sequence command.(Apollon77) Fix doNotDisturb sequence command when time string was used.(Apollon77) Lowercase text that sent to textcommand because other cases had issues in the past.(Apollon77) Fix retry issues for rate limited responses from amazon.(Apollon77) Add new methods for enable/disable of alarms and use in changeNotification if Alarm or MusicAlarm.(Apollon77) Adjust deleteConversation to the new API (additional parameter is required!).maybe change is DELETE +Create :-) (+ source for createNotification:, and Delete/create: ) getNotification works, changeNotification not.Then it should work again Known issues/Todos alexa-cookie2/lib/formerDataStore.json - if existing please delete them lokale the location of the alexa-cookie2 library in your npm tree.delete all cookie, formerRegistrationData and macDms from the settings.If the Push connection is never established then you can try to use the following: Sometimes it could happen that because of too many connection tries aAmazon blocks the push connection endpoint for a specific IP and "device". Troubleshooting Push Connections do not connect Partly based on Amazon Alexa Remote Control (PLAIN shell) and alexa-remote-control and OpenHab-Addon ALEXA is a trademark of AMAZON TECHNOLOGIES, INC. ![]() Use of them does not imply any affiliation with or endorsement by them or any associated subsidiaries! This personal project is maintained in spare time and has no business goal. DisclaimerĪll product and company names or logos are trademarks™ or registered® trademarks of their respective holders. Library to remote control an Alexa (Amazon Echo) device via LAN/WLAN. ![]() The bottom line is that, used well, Squarespace can help you put a professional-looking site very quickly, and it gives you a LOT of nice ways to display content - especially blog posts and images. The walled garden approach, despite its drawbacks, means that the platform is reliable and there isn’t much in the way of site maintenance necessary. Its templates are excellent its content management system (CMS) is intuitive and easy to use its photo editing and displaying tools are superb and its blogging features are, on the whole, strong.Ĭhanges to colors and typefaces are easy to make If your focus is on building an informative website, then design features and content management tools are going to be the priority - and it’s fair to say that Squarespace wins over Shopify in both areas. Let’s dive into the website-building stuff first. ![]() Of course, an online store is technically a website too, but in this context, by ‘website’ I’m talking about an online presence where conveying information is the priority - for example, a blog, a news site, a brochure site, a magazine, a photography portfolio etc.īy ‘online store’ I mean something where selling products is the primary goal. When deciding between Squarespace and Shopify, the first question you need to ask yourself is this: what am I trying to build, a website or an online store? ![]() Squarespace was initially created as a solution for building and maintaining content –based websites, whereas Shopify was specifically designed as a solution for making an online store.ĭespite its ‘website builder’ heritage, Squarespace is increasingly positioning itself as an ecommerce solution.īut which one is better for your business?Īnswering this question starts, helpfully, with another question…Īre you trying to build a ‘website’ or an online store? They let you create a website and sell products (even if you don’t have any design or coding skills).īut they have a different history, and started life with different purposes. On the face of it, Shopify and Squarespace look like similar tools. So, read on to get a full overview of the pros and cons of both platforms - and do feel free to leave any thoughts or questions about either product in the comments section. We’ve tested both platforms’ key features in depth - their templates, ecommerce tools, content management systems, SEO capabilities and much else besides - and in this post, we share all our findings in a friendly, jargon-free way. Shopify vs Squarespace: which is better? In this detailed comparison, we take an in-depth look at which of these leading website building tools is right for your project. To fund our research and testing, this post contains affiliate ad links. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |