CORDIC (Coordinate Rotation Digital Computer) is a method for computing elementary functions using minimal hardware such as shifts, adds/subs and compares. CORDIC works by rotating the coordinate system through constant angles until the angle is reduces to zero. The angle offsets are selected such that the operations on X and Y are only shifts and adds.
標簽: Coordinate elementary computing functions
上傳時間: 2015-11-08
上傳用戶:saharawalker
UC Library Extensions UnderC comes with a pocket implementation of the standard C++ libraries, which is a reasonably faithful subset. This documentation describes those UnderC functions and classes which are not part of the C++ standard. UC Library Builtin functions: Most of these are standard C functions, but there are a few unique to the UnderC system which give you runtime access to the compiler. You may evaluate expressions, execute commands, compile code, etc. * Expands the text in expr using the UnderC preprocessor, putting the result into buff. void uc_macro_subst(const char* expr, char* buff, int buffsize) * Executes a UC #-command, like #l or #help. uc_cmd() expects the name of the command, _without_ the hash, e.g. uc_cmd("l fred.cpp") or uc_cmd("help"). void uc_cmd(const char* cmd) * Evaluates any C++ expression or statement will return non-zero if unsuccessful.
標簽: implementation Extensions libraries standard
上傳時間: 2013-12-14
上傳用戶:leehom61
% A 2D homogeneous convection-diffusion case (u=exp(-ex*deta*x-ex*deta*y) with a square with % all Dirichlet boundary, note that reaction coefficient is not zero % by indirect BKM
標簽: convection-diffusion deta with homogeneous
上傳時間: 2016-01-03
上傳用戶:CHINA526
空間音樂查詢工具1.9 1122 本工具采集php抓取QQ空間音樂。 換播放器可直接去qq空間音樂播放器 系統要求 PHP+ZEND3.3以后 cache 目錄可寫 cfg_qq_file.txt 可寫 用二進制模式上傳本系統文件 確認服務器能ping qzone-music.qq.com 文件目錄說明 player 播放器目錄 cache 查詢緩存目錄,必須為可寫 style 風格目錄,所有風格存放此目錄,config.php中$cfg_style來確認要現實的風格目錄,默認為default config.php系統配置文件 index.php主程序 cfg_qq_file.txt為最近查詢的QQ號碼,文件必須可寫 top.js頭部JS foot.js底部JS 屏蔽底部copyright,修改樣式#copyright{display:none},支持本工具的請保留
上傳時間: 2014-11-26
上傳用戶:qilin
Algorithms for the estimation of a channel whose impulse response is characterized by a large number of zero tap coefficients are developed and compared.
標簽: characterized Algorithms estimation response
上傳時間: 2013-12-26
上傳用戶:manking0408
It is about spline word,please refer to this chapter and analysis ,then you will find how to draw spline ,if you have any problem,please contact me,my telephone is "none",haha!
標簽: analysis chapter spline please
上傳時間: 2016-03-07
上傳用戶:x4587
法國cromda編寫的新版本MATRICE 2(矩陣和矢量運算單元)。 // ---------------------------------------------------------- // 12-01-02 : MODIFIED Matrice to Matrice2 (Delphi 6) // All routines now operate on rectangular matrix, except (InvMat and SysLin) // No more need to use the InitMat procedure (suppressed) : // - the routines detect automaticaly the dimensions of matrix and vector // - error code MatDimNul is generated if zero lines or column in matrix and vector (See DimensionMatrice and DimensionVecteur) // - error code MatMauvDim is generated if the dimensions of matrix/vector don t allow valid result // - // The result matrix is dimensioned automaticaly
上傳時間: 2014-01-23
上傳用戶:sy_jiadeyi
Microsoft .net IL 匯編語言程序設計指南. To tell the truth, I don t think I had much choice in this matter. Let me explain. With Microsoft .NET technology taking the world by storm, with more and more information professionals getting involved, large numbers of books covering various aspects of this technology have started to arrive—and none too soon. Alas, virtually all of these books are dedicated to .NET-based programming in high-level languages and rapid application development (RAD) environments. No doubt this is extremely important, and I am sure all these books will have to be reprinted to satisfy the demand. But what about the plumbing?
標簽: Microsoft choice matter truth
上傳時間: 2014-11-06
上傳用戶:二驅蚊器
usb bulk 傳輸例程。 * The bulkusb driver is a generic function driver, based on the Windows Driver Model (WDM). * Supports Plug and Play(PnP), Power Management(PM), Windows Management Instrumentation (WMI) and the Selective Suspend (SS) features. * This sample is based off the selSusp DDK sample. Please refer the selSusp sample and the DDK docs to understand the handling of PnP, PM, WMI and SS features and implementations. * The USB device used for this sample is a generic Intel I82930 USB evaluation board programmed with a simple loopback test using a 64 KB circular buffer. None of the code in the sample is specific to this controller chip.
標簽: driver function Windows bulkusb
上傳時間: 2016-04-25
上傳用戶:270189020
:介紹了一種基于數字信號處理器(DSP)的移相調頻(Phase-Shifted and Frequency-Varied,PSFV)PWM控制 逆變電源,給出了主電路拓撲結構,分析了其控制原理并設計了其控制程序流程圖。新穎的PSFV 控制能夠實現輸出 電壓90%的調整率,輸出電流波動小于單純移相調功PWM方式,并在輕載時保持連續。功率開關器件零電壓零電流 通斷(Zero-Voltage-Zero-Current Switching,ZVZCS)軟開關的實現,有利于進一步提高開關頻率和降低開關損耗。采用 高性能的專用DSP 芯片TMS320F2812 實現了系統的數字控制,滿足了系統控制的靈活性和實時性,減小了系統的 體積和生產成本。仿真分析和實驗結果證明了此控制模式的可行性與合理性。
標簽: Frequency-Varied Phase-Shifted DSP and
上傳時間: 2013-12-04
上傳用戶:kristycreasy