fft algorithm中文是什么意思

發(fā)音:

中文翻譯
造句

快速傅里葉算法

algorithm n. 【數(shù)學(xué)】算法；規(guī)則系統(tǒng)；演段。
twiddle factor fft algorithm 旋轉(zhuǎn)因子快速傅里葉變換算法
fft 地層流體測試; 和逆; 快速傅里葉變換; 快速傅氏變換; 圖像處理軟件詞匯; 又稱; 轉(zhuǎn)換
fft analyzer 分析儀; 快速傅葉放大器
fft filters 濾波器
inverse fft 反向快速傅里葉變換
polynomials and the fft 第三十章多項式與快速傅里葉變換
fast fourier transform (fft) 快速傅立葉變換; 快速傅立葉轉(zhuǎn)換
fast fourier transform(fft) 快速傅里葉變換
fft fast fourier transform 快速傅立葉變換
fft(fast fourier transform 快速熱歐姆轉(zhuǎn)換
the algorithm 算法
access algorithm 存取算法
adaptive algorithm 自適應(yīng)算法
add algorithm 遞增算法
address algorithm 地址運算
adjusting algorithm 調(diào)整算法
admissible algorithm 可采納算法
agglomerative algorithm 凝聚算法
algorithm analysis 算法分析一個軟件的驗證確認(rèn)任務(wù)，用于保證選擇的算法是正確的、合適的和穩(wěn)定的，并且滿足所有精確性、規(guī)模和時間方面的要求。
algorithm attribute 算術(shù)屬性
algorithm availability 算法有效性
algorithm block 算法字組
algorithm bus 運算總線
ffst first failure support technology 首次故障支持技術(shù)
ffss 國際高級研討班

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例句與用法

This paper proposes a design of automatic feedback suppressor based on dsp : firstly , combining fft algorithm with chirp - z transform to detect feedback rapidly and set up the judging conditions based on the feedback characteristics to locate feedback accurately
本方案具有如下技術(shù)特點:第一,采用chirp - z變換( czt )算法與fft算法相結(jié)合對聲反饋進行檢測,并利用聲反饋信號建立前期的時頻特征,設(shè)立判定條件。
Furthermore , sampling and processing of ac , including some ac sampling algorithms , are reached . mainly , fft algorithm and full - wave fourier algorithm are discussed . calculation of active power and imaginary power is researched
同時對模擬量的采集與處理以及一些交流采樣的算法進行了研究；主要就快速傅里葉變換算法、全波傅氏算法以及有功功率、無功功率的計算、濾波的參數(shù)選取、諧波的計算進行了討論。
Three - phase signal is formed by program in this system , which has rich harmonic high to 24th , and its amplitude and phase can be adjusted arbitrarily . electric parameters such as virtual value , power and phase can be real - time measured , besides harmonic analysis by means of fft algorithm
在系統(tǒng)中，富含24次諧波成份的三相信號由軟件產(chǎn)生，其幅度、相位可以任意調(diào)整，同時系統(tǒng)能實時測量信號的有效值、功率、相位等電量參數(shù)，并用fft進行諧波分析。
Chapter 4 explores the impact of the task allocation and schedule strategy on the performance of multi - processor system . compares several model methods such as petri net and queue model , then proposes a new model method named distributed finite state machine ( dfsm ) . based on this method , and with the assistant of vhdl design and simulation environment , the model of dynamic reconfigurable multi - dsp system is constructed and the simulation of fft algorithm is run under verilog xl
浙江大學(xué)博士學(xué)位論文第四章論述了基于模型分析方法的性能研究對并行處理系統(tǒng)設(shè)計應(yīng)用的重要性，結(jié)合vvp平臺動態(tài)可重構(gòu)并行系統(tǒng)的結(jié)構(gòu)特點以及sharc處理器的特性，對petri網(wǎng)及查詢隊列等系統(tǒng)建模方法進行比較，提出了分布式有限狀態(tài)機（ dfsm ， distributedfinitestatemachine ）的建模方法，井對在動態(tài)可重構(gòu)多sharc系統(tǒng)運行的并行任務(wù)進行了的建模仿真。
In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation , firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm , adopt complex radix 4 butterfly calcu1ation as basic alu , then discuss all kinds of process architectures , the design thoughts , rule , method , technique way , the characteristics of the design are r4 dit algorithm , pingpong ram design method and pipeline structure between stages . we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process , bring out the expandable platform mode
第四章主要討論了高速高性能的快速傅立葉變換處理器的設(shè)計和實現(xiàn)，首先分析和比較了各種快速傅立葉變換算法的特性和規(guī)律，提出基4蝶算的算法具有最好的性價比，討論了順序、級聯(lián)、并行和陣列的處理結(jié)構(gòu)，闡述了設(shè)計高速高性能快速傅立葉變換處理器時的設(shè)計原則、設(shè)計思路、所采用的技術(shù)路線，驗證并測試fft處理器，分析了定點fft處理過程由于有限字長效應(yīng)所產(chǎn)生的量化誤差的范圍及防溢出控制辦法，提出了可擴展平臺模式。
It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load . the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed . a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented , and the results of simulation show that it has higher accureacy
本文對電力系統(tǒng)諧波的測量方法，數(shù)據(jù)處理及電力牽引負(fù)荷對電力系統(tǒng)的影響進行了研究，論述了目前國內(nèi)外生產(chǎn)的諧波分析儀用于快速波動諧波負(fù)荷的測量不滿足國標(biāo)的要求，分析了諧波分析儀普遍采用的ft或fft算法所產(chǎn)生的測量誤差，提出了一種不受非周期分量影響的全周波離散傅里葉算法，仿真結(jié)果表明精度好。
In order to meet the requirement of real time of system , modularization configuration and dsp + fpga is used for realizing parallel processing of signal in system hardware . the implementation of fft algorithms is performed by field programmable gate arrays ( fpga ) , and spectrum analysis is done by dsp , and at the same time , sequence control of entire system is performed by cpld
為滿足系統(tǒng)實時性要求,系統(tǒng)硬件電路采用模塊化結(jié)構(gòu),利用快速的dsp + fpga實現(xiàn)信號的并行處理,采用fpga實現(xiàn)fft算法,使用dsp完成譜信號的分析,同時通過cpld來完成整個系統(tǒng)時序的控制。
The main work in the paper is : one is the development of system hardware , including the designs of dsp and a / d interface circuit , connection mode between dsp and usb , dsp peripheral circuit and so on ; the other is the development of system software , mainly including different kinds of interface program design and fft algorithm program design . at last , two channel real - time sound intensity sampling and processing ( fft ) ability is realized in the sound intensity data signal - processing unit
設(shè)計過程中主要做了兩方面的工作：一是系統(tǒng)硬件模塊的開發(fā)，包括dsp與usb總線的連接、 dsp與a d接口電路的設(shè)計，聲強數(shù)字信號的緩沖方法和dsp外圍電路的設(shè)計等；二是系統(tǒng)軟件的開發(fā)，主要包括各種接口程序和基于dsp的快速傅立葉( fft )程序的設(shè)計。
The fem program dsa ( dynamic stability analysis ) developed on the basis of the dynamic stability theory , the basic theory of spectrum analysis and the fast fourier transform ( fft ) algorithm is introduced . the spectral analyses of three earthquake waves are made using fft algorithm . all the process is realized by programming in matlab5 . 3
介紹了本人基于動力穩(wěn)定理論編制的有限元程序dsa ；然后闡述了頻譜分析的基礎(chǔ)理論和快速傅利葉變換( fft )算法，并以fft為基礎(chǔ)，基于matlab5 . 3編制了對某地震波進行頻譜分析的計算程序，并對三個地震波進行了頻譜分析。
Thereinto , this paper analyzes and deduces the interpolating windowed fft algorithm in detail , then systematically analyzes the error features and bounds of the algorithm by computer simulation . at the same time , we can obtain some important conclusions of the harmonic analysis applications
其中，對加窗插值的快速傅立葉算法進行了較為深入的分析與推導(dǎo)，采用計算機仿真全面、系統(tǒng)地分析了該算法的誤差變化規(guī)律以及誤差限，并在此基礎(chǔ)上得出了諧波分析應(yīng)用中的若干重要結(jié)論。

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