multirate filter 中文意思是什麼
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Adaptive noise cancellation by multirate filter bank
多解析度濾波器組在自適應噪聲消除中的應用 -
The thesis is mainly about the design methods for multirate filter banks
本論文主要探索了多速率濾波器組的設計方法。 -
Linear phase prqmf banks is one of focal points in multirate digital signal processing domain, its general pr condition is deduced mathematically in the paper, which is important for further studying its design method, in addition high speed hybrid filter banks adc system, high effective hybrid filter banks adc system and high - speed - and - resolution time interleaved adc system proposed in the paper have practical value
線性相位prqmf濾波器組是當今多速率數字信號處理領域的研究熱點之一，本文從理論上推導出了其理想重建的一般規律，這對進一步研究線性相位prqmf濾波器組設計理論有重要意義。此外，本文提出的高速混合濾波器組adc系統、高效混合濾波器組adc系統、高速高解析度時問交織adc系統，均具有實用價值。 -
The use of multiple sampling rates offers many advantages, such as reducing computational complexity for a given task, speeding up transmission rate, and / or raising storage capacity. so the applications of multirate digital filter technology have been found in subband coding of images and speeches, communications, and in many other fields
由於多速率數字濾波技術可有效地降低信號的處理復雜度、加快數據的傳輸率和提高存儲量等，所以它在圖像編碼、語音編碼及通信等眾多領域具有廣泛的應用。 -
Chapter 1 summarizes the basic question, developing history and present research situation of the multirate filter banks
第一章簡述了多速率濾波器組的基本問題、發展歷史和研究現狀。 -
Software radio which promises well needs a kind of wideband high speed and resolution adc, but at present it is hard to realize. on the basis of the theory of multirate signal processing, the theory of filters, bandpass sampling theorem and adc principium, perfect reconstruction quadrature mirror filter ( prqmf ) banks adc system is proposed
基於此背景，本文在融合多速率數字信號處理理論、濾波器理論、帶通采樣定理以及adc原理的基礎上，提出了prqmf濾波器組adc系統，並對該adc系統的原理、結構、特性進行了探討和研究，其主要結論和創新之處如下： 1 -
At first, the concept of perfect reconstrution of input signal from the view of filter banks and wavelet transform are introduced, . and then the analysis / synthesis system is analyzed in time domain, third, the kalman filter is explained, finally, a multirate kalman synthesis filter and multirate kalman filterirng algorithm are intruduced to achieve optimal reconstruction of the input signal with the consideraion of the subband noises. simulation results show that the performance improvement of signal reconstruction in noisy filter bank system is remarkble
本文從濾波器組和子波變換兩個方面闡述了分析/綜合系統及其對輸入信號完全重構的概念；研究了考慮子帶噪聲條件下，基於濾波器組的多抽樣率分析/綜合成系統對輸入信號的最佳重構問題。實現了用多抽樣率卡爾曼綜合濾波器取代常規的綜合濾波器達到對輸入信號的最佳重構。 -
Based on multirate digital signal processing, this paper development a new method to design the narrow band fir digital filter, which makes the design of narrow band fir digital filters possible
本文另闢它徑，採用多抽樣率結構來設計窄帶fir濾波器，使窄帶fir濾波器的設計由不可能變為可能。
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