discrete Fourier transform：離散傅里葉變換

離散傅里葉變換(Discrete Fourier Transform)一詞是為適應(yīng)計(jì)算機(jī)作傅里葉變換運(yùn)算而引出的一個(gè)專用快速傅立葉變換(FFT)是離散傅立葉變換的一種有效的算法,通過(guò)選擇和重新排列中間結(jié)果,減小運(yùn)算量.

discrete Fourier transform：離散傅立葉轉(zhuǎn)換

FFT為離散傅立葉轉(zhuǎn)換(discrete Fourier transform)之一種執(zhí)行大量連續(xù)計(jì)算的演算方法,程式計(jì)算過(guò)程將離散傅立葉轉(zhuǎn)換作快速處理,遠(yuǎn)比傳統(tǒng)繁雜的演算法簡(jiǎn)化、迅速,計(jì)算式如下:心臟疾病種類繁多,國(guó)泰醫(yī)院邱醫(yī)師協(xié)助分類,將患者大略歸類四項(xiàng):1) 瓣膜結(jié)構(gòu)方面問(wèn)題,

discrete Fourier transform：離散Fourier變換

Knapsack Problem 背包問(wèn)題 | Discrete Fourier Transform 離散Fourier變換 | Combinatorial Problems 組合問(wèn)題

DFT: Discrete Fourier Transform：離散傳里葉變換

DES: Data Encryption Standard 數(shù)據(jù)加密標(biāo)準(zhǔn) | DFT: Discrete Fourier Transform 離散傳里葉變換 | DHCP: Dynamic Host Configuration Protocol 動(dòng)態(tài)主機(jī)配置協(xié)議

DFT: Discrete Fourier Transform：離散傅里葉變換

OFDM Orthogonal Frequency Division Multiplexing 正交頻分復(fù)用技術(shù) | DFT Discrete Fourier Transform 離散傅里葉變換 | TDM Time Divison Multiplex 時(shí)分復(fù)用

DFT: Discrete Fourier Transform：不連續(xù)傅立葉變換

DFT Diagnostic Function Test 診斷性功能試驗(yàn) | DFT Discrete Fourier Transform 不連續(xù)傅立葉變換 | DFT Dynamic Frequency Tracking 動(dòng)態(tài)頻寬探測(cè)

DFT: Discrete Fourier Transform：離散副立葉變換

DF Drop Frame 失落幀 | DFT Discrete Fourier Transform 離散副立葉變換 | DI Directivity Index 指向性指數(shù)

Discrete Fourier Transform DFT：離散傅立葉變換

計(jì)算機(jī)視覺(jué) Com puter Vision CV | 離散傅立葉變換 Discrete Fourier Transform DFT | 蜂窩細(xì)分 Honeycom b Subdivision

Inverse Discrete Fourier Transform：反離散傅里葉變換

Intel Developer Forum 英特爾開(kāi)發(fā)商論壇 | Inverse Discrete Fourier Transform 反離散傅里葉變換 | International Data Group 國(guó)際數(shù)據(jù)集團(tuán)

IDFT Inverse Discrete Fourier Transform：離散傅立葉反變換

IDES Image Dissector Echelette Spectrometer 圖像分析階梯光柵分光計(jì) | IDFT Inverse Discrete Fourier Transform 離散傅立葉反變換 | IDI Interdischarge Interval 放電期間