fast fourier transform(fft)中文是什么意思

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中文翻譯
造句

快速傅里葉變換

fast vi. 1.齋戒，禁食，絕食。 2.節(jié)制飲食；忌食某些食 ...
fourier n. 1.傅立葉〔姓氏〕。 2.Francois Mar ...
fast fourier transform (fft) 快速傅立葉變換; 快速傅立葉轉(zhuǎn)換
fft fast fourier transform 快速傅立葉變換
fft(fast fourier transform 快速熱歐姆轉(zhuǎn)換
algorithm fast fourier transform 快速傅立葉變換算法
fast fourier inverse transform 快速傅里葉反變換
fast fourier transform 快速傅立葉變換; 快速傅氏變換，快速傅里葉變換; 快速付里葉變換
fast fourier transform algorithm 快速傅里葉變換算法; 快速傅立葉變換演算法
fast fourier transform analyzer 快速傅里葉變換分析器
fast fourier transform inverse 快速傅里葉反變換
fast fourier transform subroutine 快速傅里葉變換子程序
fast fourier transform technique 快速傅里葉變換技術(shù)
fast fractional fourier transform 快速分?jǐn)?shù)傅立葉變換
fast-fourier-transform analyzer 快速傅里葉變換分析儀
inverse fast fourier transform 快速傅里葉逆變換; 快速傅立葉逆變換
fast-fourier-transform spectrum analyzer 快速傅里葉變換頻譜分析儀
ifft inverse fast fourier transform 反向快速傅立葉變換
inverse fast fourier transform (ifft) 快速傅立葉逆變換
fourier transform 傅里葉變換; 傅利葉變換; 傅利葉轉(zhuǎn)換; 傅立葉變換; 傅立葉轉(zhuǎn)換
coded fourier-transform hologram 編碼傅里葉變換全息圖; 編碼里葉變換全息圖
continuous fourier transform 連續(xù)傅里葉變換; 連續(xù)傅立葉變換
continuous-time fourier transform 連續(xù)時(shí)間傅立葉變換
dft 2demension fourier transform 二維傅里葉變換

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例句與用法

In addition , the emphasis of the thesis is the use of fast fourier transform ( fft ) in reactive power compensation
研究的另一個(gè)重點(diǎn)是快速傅立葉變換在無功補(bǔ)償中的應(yīng)用。
In addition , based on fast fourier transform ( fft ) , an effective and reliable carrier frequency detection method has also been designed in this thesis
此外，論文還設(shè)計(jì)了一種有效可靠的基于fft的載波頻率測(cè)量方法。
The concepts of filtering and sampling power system voltage and current signals for harmonic analysis using the fast fourier transform ( fft ) algorithm by a digital signal processor are introduced
軟件算法方面，系統(tǒng)采用傳統(tǒng)的快速付立葉變換( fft ) ，對(duì)采集的電壓和電流信號(hào)進(jìn)行頻譜分析。
But the computing amount of dft is so large that its practical use is restricted , especially real - time processing . in fact , we use fast fourier transform ( fft ) in practical engineering
但龐大的運(yùn)算量使得dft的實(shí)際應(yīng)用，特別是實(shí)時(shí)處理難以實(shí)現(xiàn)，所以實(shí)際工程中用到的都是快速傅里葉變換( fft ) 。
Related techniques and their applications are briefly reviewed in this paper , the conventional cross - correlation algorithm and the cross - correlation algorithm based on fast fourier transform ( fft ) are discussed
本文簡(jiǎn)要地回顧了piv技術(shù)的一些典型算法和應(yīng)用，研究了基本互相關(guān)算法和基于快速傅立葉變換的互相關(guān)算法。
In chapter 3 , the paper presents the theory of wigner - ville distribution ( wvd ) , pseudo wvd , smoothed pseudo wvd , discrete fourier transform ( dft ) , fast fourier transforms ( fft ) , and also expatiates on the
第三章將對(duì)wvd 、 pwvd 、 spwvd分布、 dft和fft變換的理論進(jìn)行說明,并闡述跳頻解跳與數(shù)字中頻接收機(jī)的解跳原理。
Three methods of digital signal processing algorithm are proposed to restrain the noise discussed , there are methods of fast fourier transform ( fft ) , of moving self - correlation , and of least means
這樣,就可以在周期性和相關(guān)性上,區(qū)分這兩類信號(hào),并消除干擾。在此基礎(chǔ)上,在數(shù)字信號(hào)處理方面,本文提出了三種算法用于抑制上述干擾。
This paper introduced the work principle for testing wood elastic modulus with fast fourier transform ( fft ) and the structures of the machine and test technical process , this machine can test fast and accurate
摘要介紹了快速傅立葉變換( fft )技術(shù)敲擊板材檢測(cè)彈性模量數(shù)控檢測(cè)設(shè)備的工作原理及組成，并在此基礎(chǔ)上描述了檢測(cè)板材的工藝過程，說明該檢測(cè)設(shè)備具有準(zhǔn)確快速等特點(diǎn)。
The time - domain scattering is computed via fdtd method , which is particularly well adapted to frequency - dependent soil . this method is processed prior to a fast fourier transform ( fft ) , which is performed to come back to the frequency domain
主要包括用于有耗土壤和樹干計(jì)算的頻率相關(guān)fdtd算法- ( fd ) ~ 2td ，以及吸收土壤凋落波的gpml吸收邊界，確立了樹干散射的時(shí)域算法模型。
The subregion with pure dielectric layers is analyzed by mol and the fast fourier transform ( fft ) is introduced to reduce the computing time , while the subregion with conductors is analyzed by fdfd to take advantage fully the superiorities of these two methods
通過在純介質(zhì)區(qū)域使用直線法，導(dǎo)體所在區(qū)域使用有限差分法分別進(jìn)行求解，充分發(fā)揮兩種方法各自的優(yōu)越性。由于在純介質(zhì)區(qū)域中使用了直線法求解，因此該算法具有計(jì)算時(shí)間與介質(zhì)層厚度無關(guān)的突出優(yōu)越性。

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