DDR SDRAM控制器的VHDL源代碼，含詳細設計文檔。 The DDR, DCM, and SelectI/O™ features in the Virtex™ -II architecture make it the perfect choice for implementing a controller of a Double Data Rate (DDR) SDRAM. The Digital Clock Manager (DCM) provides the required Delay Locked Loop (DLL), Digital Phase Shift (DPS), and Digital Frequency Synthesis (DFS) functions. This application note describes a controller design for a 16-bit DDR SDRAM. The application note and reference design are ENHANCED versions of XAPP200 targeted to the Virtex-II series of FPGAs. At a clock rate of 133 MHz, 16-bit data changes at both clock edges. The reference design is fully synthesizable and achieves 133 MHz performance with automatic place and route tools.
上傳時間： 2014-11-01
上傳用戶：l254587896
這個軟件包(C++)是我尋找電磁學代碼無意中找到了，功能相當強大（并行計算，快速多極子等）。缺點是安裝相當麻煩，需要若干個其他軟件包。我在Fedora Core9下編譯其中所需blitz++時出錯，在 ubuntu下可以所有均編譯通過，運行時出現一個錯誤，我找不到原因（本人水平有限），但從學習電磁學有關算法／程序設計來說，已經是相當了不起的開源軟件了。parallel unified multipole algorithm for Electromagnetics (Puma-EM). Aim is providing surface Method of Moments for Electromagnetics, ENHANCED by using the Multilevel Fast Multipole Method. Code is parallelized and runs on Desktops and clusters.
上傳時間： 2013-12-26
上傳用戶：lanjisu111
H.264/AVC, the result of the collaboration between the ISO/IEC Moving Picture Experts Group and the ITU-T Video Coding Experts Group, is the latest standard for video coding. The goals of this standardization effort were ENHANCED compression efficiency, network friendly video representation for interactive (video telephony) and non-interactive applications (broadcast, streaming, storage, video on demand). H.264/AVC provides gains in compression efficiency of up to 50％ over a wide range of bit rates and video resolutions compared to previous standards. Compared to previous standards, the decoder complexity is about four times that of MPEG-2 and two times that of MPEG-4 Visual Simple Profile. This paper provides an overview of the new tools, features and complexity of H.264/AVC.
標簽： the collaboration between Experts
上傳時間： 2013-12-30
上傳用戶：dongbaobao
無線收發芯片nRF24L01在TMS320C5509A芯片上的實現程序。包括接收和發送，可實現ENHANCED Shockburst收發功能。
上傳時間： 2013-12-17
上傳用戶：kristycreasy
MATLAB環境下對于含平穩噪聲的帶噪語音利用譜相減算法進行處理，原始語音請命名為“origin.wmv"，處理后的語音為”ENHANCED.wmv"。rar內含有我自己做好的語音處理結果，可以用你自己的待處理語音替換它們，請放在同一目錄下！
上傳時間： 2017-01-10
上傳用戶：wmwai1314
Fortran has always been the principal language used in the fields of scientific, numerical, and engineering programming, and a series of revisions to the standard defining successive versions of the language has progressively ENHANCED its power and kept it competitive with several generations of rivals. Beginning in 1978, the technical committee responsible for the development of Fortran standards, X3J3 (now called J3), laboured to produce a new, much- needed modern version of the language, Fortran 90. Its purpose is to "promote portability, reliability, maintainability, and efficient execution... on a variety of computing systems". The standard was published in 1991, and work began in 1993 on a minor revision, known informally as Fortran 95. Now this revised
標簽： scientific the principal numerical
上傳時間： 2017-04-12
上傳用戶：a3318966
H.264/AVC is the current video standardization project of the ITU-T Video Coding Experts Group (VCEG) and the ISO/IEC Moving Picture Experts Group (MPEG). The main goals of this standardization effort are to develop a simple and straightforward video coding design, with ENHANCED compression performance, and to provide a 鈥渘etwork-friendly鈥?video representation which addresses 鈥渃onversational鈥?(video telephony) and 鈥渘on-conversational鈥?(storage, broadcast or streaming) applications.
標簽： standardization the current Experts
上傳時間： 2014-01-02
上傳用戶：SimonQQ
The STi7200 is a new generation, high-definition set-top box/DVD decoder chip, and provides very high performance for low-cost HD systems. With ENHANCED performance over the STx7109, it includes both Windows Media Video 9 and H.264 video decoders for new, low bitrate applications. The STi7200 is able to decode two HD programs
標簽： high-definition generation provides decoder
上傳時間： 2013-11-29
上傳用戶：xg262122
Hybrid-Virtualization—ENHANCED Virtualization for Linux* 英文版
標簽： Hybrid-Virtualization—ENHANCED Virtualization for Linux*
上傳時間： 2016-03-06
上傳用戶：yongsheng
Recently millimeter-wave bands have been postu- lated as a means to accommodate the foreseen extreme bandwidth demands in vehicular communications, which result from the dissemination of sensory data to nearby vehicles for ENHANCED environmental awareness and improved safety level. However, the literature is particularly scarce in regards to principled resource allocation schemes that deal with the challenging radio conditions posed by the high mobility of vehicular scenarios
標簽： Communications Millimeter Wave V2V
上傳時間： 2020-05-23
上傳用戶：shancjb
