fast fourier inverse transform 中文意思是什麼
fast fourier inverse transform
解釋
快速傅里葉反變換- fast : adj 1 緊 （opp loose）， 牢實的，堅牢的，粘得緊的，堅固的；固定的。2 忠實的，可靠的。3 耐久的；不...
- fourier : n 1 傅立葉〈姓氏〉。2 Francois Marie Charles Fourier 弗朗瓦斯馬利沙利傅立葉〈1772 1837，法國空想...
- inverse : adj 相反的；逆的；翻轉的，倒轉的。 an inverse network 倒置（電）網路。 inverse time 逆時，反時。 ...
- transform : vt （使）變形；（使）變化[轉化，轉變]；變態，改變（性質、機能等），改造，改革；【數學】變換；【電...
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The fields at any point, especially at the points in the middle field region, are reconstructed by using the theory of the plane wave and the inverse fast fourier transform in this thesis
論文根據平面波譜的展開理論和傅立葉反變換首次給出了在空間任意點，特別是中場區，的場分佈。 -
As an implementing method of multi - carrier modulation ( mcm ), discrete multi - tone ( dmt ) modulation uses inverse discrete fourier transform ( idft ) vector as its modulating vector, and discrete " fourier transibrm ( dft ) vector as its demodulating vector, and the process of modulating and demodulating can be realized by using their fast calculating method
作為多載波調制的一種實現形式，離散多音頻（ dmt ）調制分別採用逆傅立葉變換矢量和傅立葉變換矢量作為調制矢量和解調矢量，從而調制和解調過程可以利用這兩種變換的快速演算法實現。 -
Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer
本文比較詳細地闡述了數字用戶線接入模塊（ dslam ）開發方案中， adsl局端介面模塊的dmt編碼與調制過程，討論了其組網應用方式以及基於atm的網路側介面utopia2技術，分析了adsl與其它寬帶接入技術的相互聯系和優缺點，並介紹了方案中所採用的一些關鍵技術，包括在線插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。 -
A new algorithm of calculating inverse order for fast fourier - transform
計算倒位序的新演算法
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