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5 things that will reduce the speed of the Wi-Fi network, will reduce the wi-fi5

temporary Key Integrity Protocol (TKIP. Therefore, to ensure that the old Wi-Fi security method does not reduce the network speed, use Advanced Encryption Standard (AES) to enable WPA2-only security. Do not select the WPA/WPA2 hybrid mode or WPA2-TKIP. If an older Wi-Fi client does not support WPA2-AES security, check whether there are firmware updates with this feature added. Next, consider adding a USB or PCI-based Wi-Fi adapter to a computer or device to provide it with modern Wi-Fi connect

Wireless 802.11n 2.4g and 5.0g performance tests

channel pollution, various types of interference and blocking.Due to the popularity of Apple devices, 5G wireless network cards are installed in the latest MBP/MBA/iPad, so 5G users are also quite impressive. At the same time, in newer Windows laptops, dual-band wireless network adapters are also increasingly used.This test mainly verifies the specific performance of wireless transmission under 2G and 5g. The output conclusions serve as a reference f

Turn: 3 degrees 6 degrees Gaussian projection

sphere within a certain deviation range on both sides of the central meridian is projected on the elliptical cylinder. The Elliptical Cylinder is flattened by cutting the bus along the North and South Poles, that is, the Gaussian projection plane. Take the projection of the central meridian and the cross point of the Equator as the origin, the projection of the central meridian is the X-axis of the ordinate axis, and the projection of the equator is the y-axis of the horizontal coordinate, whic

0-value compensation solution for RGB image pixels

With the development of remote sensing technology, more and more methods are available to obtain image data. The application of RGB image data is particularly outstanding. After obtaining images, data preprocessing is the first thing to bear the brunt. This is tedious and mechanized, but it is still very important. For row slices or RGB data that have undergone initial processing, there is no spectral information, and only the corresponding R, G, and B band

20 years of Hong Kong Pop Music-a comprehensive review of classical singers (musicians)

points; guo Fucheng scored 50 points at most. The latter two are characterized by idol singers and "professional" singers. What is "professional" singer? -- Since the official appearance of Cantonese pop songs in 1970s, all the singers at that time had a special feature, that is, they really like singing and love music to be a singer; or they can be a bar singer, or play amateur band. However, at dawn, Guo Fucheng's generation is completely different

What are the 5G WiFi phones

5G Wi-Fi (802.11AC) is the fifth generation of Wi-Fi transmission technology, and running in the 5Ghz Radio frequency band (here is a misunderstanding, is not running in the 5Ghz band Wi-Fi is 5G Wi-Fi, Operating in the 5Ghz band of the Wi-Fi protocol standards include 802.11a (first generation), 802.11n (fourth generation, while running in 2.4Ghz and 5Ghz dual

DevExpress's Xtrareport Learning notes

object creates its image, primarily for programmatically changing the properties of the report, the striped properties, and the properties of the controls that are stored in the Detailband detail band. Most tasks can be performed in this event (such as changing xrcontrol.visible, Xrcontrol.backcolor, Xrcontrol.bordercolor, and other attributes) and can be performed easily without writing code, just using the Formatting rules. In addition, thebeforep

Create a custom Web control with ASP.net 2.0

. A control that enables AutoPostBack requires that the client allow the script to run. ASP.net 2.0 does not change the model in any obvious way. Callbacks and Out-of-band requests The standard WEB protocol is designed for synchronous communication. Each request receives a response at the same rate as the server generates the data. However, many tasks require out-of-band requests, such as access to third-

Create a custom Web control with ASP.net 2.0

a different element, the control displays the appropriate changes and remembers their new state without notifying the server. After you post a form that contains a ListBox, the ListBox control submits the event (the selected item). The default behavior for non-postback events can be changed by setting the AutoPostBack property. If AutoPostBack is set to True, the client-cached event sends a signal to notify the server to process immediately. A control that enables AutoPostBack requires that th

Modern Sky Music Festival

On the evening of the 2nd, I had full meals and walked to the park next to me. We found that there was a grand Modern Sky music festival! Many people gather in the park, and the music of rock is filled with air. No wonder the residents around us complained during the past two days. Tickets are expensive, 60 yuan per day, and 120 yuan per day. Fortunately, when we went there, the music festival was about to end. We slipped in from the side door and felt uneasy. With the noisy music, we came to a

Gdal read/write image segmentation (excellent Edition)

way to open any supported formats) Cstring strfilepath;Strfilepath = 'd:/rsdata/2005_234.tif ';Gdaldataset * podataset; // gdal DatasetGdalallregister ();Podataset = (gdaldataset *) gdalopen (strfilepath, ga_readonly ); In this way, the file is opened. You can use the dataset podataset to call various function functions, such:Getrastercount (); // obtain the number of image bands;Getrasterxsize (); // get the Image WidthGetrasterysize (); // get the Image HeightGetrasterband (); // obtain an im

Ship Model production Basics

with resin (rubbing), or a layer of glass cloth can be pasted and then brushed with a layer of resin. Do not create bubbles. According to the model size, paste to 1. 5 ~ 3mm thick. Such as accurate resin configuration, generally 2 hours can begin to cure, 24 hours can be released. The larger ship model should be attached with a horizontal wall and keel in the hull to increase the strength. In order to smooth and smooth the surface, there should also be processes such as putty, polishing and pai

Image fusion for DOM data production under ENVI

Image fusion is an image processing technology that ressamples low-spatial-resolution multi-spectral images or high-spectral data and high-spatial-resolution single-band images to form a sub-high-resolution multi-spectral image remote sensing, the processed images have both high spatial resolution and multi-spectral features. The key to image fusion is accurate registration of the first two images and selection of fusion methods during processing. Onl

Use sed to operate files

Use sed to operate the file [plain] I. the additional text www.2cto.com uses a \ to append one or more rows to the end of the specified row. If the placement position is not specified, it is placed to the end of each row by default. When appending text, you cannot specify a range. Only one address mode is allowed. Additional format: [address] a \ text \... text Note: 1. a \ notifies sed to append the content after. 2. Each row is followed by "\". When sed is executed, a new row is created and th

Use sed to operate files

. _ yeeXun. after Execution: sed-f append. sed quote.txt sed: Unrecognized command: _ yeeXun. pg append after modification. sed #! Bin/sed-f # append text/company/a \ Then suddenly it happened. \ _ yeeXun. execute the script: sed-f append. sed quote.txt The honeysuckle band played all night long for noly $90. it was an evening of splendid music and company. then suddenly it happened. _ yeeXun. too bad the disco floor fell through at 23:10. the local n

Common classes and interfaces in Javaapi

interpolation types defined in this class.AreaAveragingScaleFilter This is a ImageFilter class that uses a simple area averaging algorithm for image scaling, which produces smoother results than its closest algorithm.Bandcombineop This class uses an Raster arbitrary linear combination of band in a specified matrix pair.BandedSampleModelThis class represents image data that is stored in band interleaved mod

Photoshop makes super cool space effect

have noticed that there are some small light in the main light, (Figure 24)    Its production is not very difficult to make, copy "light source 3" layer for "light source 4" layer, and will be reduced, placed in the main light source, and then, the "Light 4" layer to replicate several more, respectively, with ctrl+t to rotate, oh! By the way, remember to fill the small light you like the color, (already explained in detail how to fill, here I will not repeat, here I use the fill color y

Five-step planning for storage virtualization

of storage hardware resources. This virtualization allows users to isolate a large amount of physical features from storage resources, as if we were to store or extract items in a warehouse, as long as we were dealing with the warehouse keeper without having to worry about where our items were stored in the warehouse. For users, virtualized storage resources are like a huge "storage pool" where users do not see specific disks, tapes, or what path their data passes through to which particular st

About inter-code crosstalk (reprint)

From the above analysis can be seen, if the signal after the transmission of the entire waveform changes, but as long as its specific point of the sampling value remains unchanged, then the method of re-sampling, still be able to accurately restore the original code. This is the essence of the so-called Nyquist first rule.In the ideal baseband transmission system for the cutoff frequency represented in figure 4-14, the minimum code element interval for the system to transmit the cr

A brief analysis of the seven-parameter conversion method and the four-parameter conversion method used in the project and the basic surveying knowledge involved

projection.On the projection surface, the projections of the central meridian and the equator are straight lines, with the central meridian and the equatorThe intersection of 0 as the origin of the coordinates, the projection of the central meridian is the ordinate x axis, and the projection of the equator is the Y axis. In China, the x-coordinate is positive, and the maximum y-coordinate (6° band at the equator) is about 330km. To avoid negative hor

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