fft filters 中文意思是什麼
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4. the double dsp technique is introduced, and the furthermore the traditional fft analysis and nowaday theory of instantaneous reactive power is combined, thus the combined system of shunt passive filters and active power filters is designed
4 、採用雙dsp晶元技術，將傳統的頻域分析fft計算與現代的瞬時無功功率理論相揉和，進行lc無源濾波器和並聯型有源電力濾波器混合系統的設計。 -
Pulse compression performances of many pulse compression signals are analyzed in frequency domain. and the methods to design kinds ok range sidelobe suppression filters are proposed. this dissertation produced the method to improve parallelism of fft calculation in vliw architecture and a pulse compression procession system in frequency domain based on adsp2106x which had been emulated by using visualdsp + +, and the result is meet the theory
本文主要介紹了使用越來越廣泛的頻域數字脈壓處理技術，分析了各種脈壓信號的頻域脈壓性能及其旁瓣抑制濾波器設計，設計了一個基於adsp2106x晶元的頻域數字脈壓處理系統，針對adsp2106x晶元的vliw指令結構，利用晶元的并行運算能力提高fft效率，並使用visualdsp + +對系統進行了模擬測試，結果與理論相符。 -
Scheme iii. a system combining fft algorithm with chirp - z transform to detect feedback rapidly and accurately. then, adopting a filter bank composed of 12 iir narrow - band notch filters to eliminate feedback
採用chirp - z變換（ czt ）演算法與fft演算法相結合對聲反饋進行檢測，使用由12個iir窄帶陷波器構成的濾波器組對聲反饋進行抑制。
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