waveform coding 中文意思是什麼
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Design of digital coding waveform generator based on pci
的可程式控制編碼發生器的設計 -
We first introduce the basic methods of speech processing in time domain. emphatically, we describe linear prediction and tonality detection of speech signal. moreover, we discuss the g. 726 speech waveform coding standard in details
本文首先介紹了語音波形時域分析處理的基本方法，對語音波形線性預測和音調檢測技術作了重點描述，著重研究了g . 726語音波形編碼演算法，並在此基礎上，對該演算法進行了某些探討改進，並用vc + +編程，在pc機平臺上予以實現。 -
In this paper, we investigate speech waveform coding technology with emphasis on the g. 726 recommendation of itu - t. based on g. 726, we present a new algorithm. compared with g. 726, our proposed algorithm achieves the same perceptual quality with lower bit rate
本文結合當前商用市場對語音編碼的需求，研究了語音波形編碼技術，重點研究了itu - tg . 726建議，並在此基礎上探討了進一步降低比特率的演算法，使本語音編碼演算法的音質和g . 726演算法的完全一樣，同時，採用本文演算法的比特率低於採用g . 726語音編碼演算法的比特率。 -
Waveform interpolation speech coding is one of the most potential low - rate speech coding algorithms in recent years. with high performance, wi technique has been widely concerned
波形內插（ waveforminterpolation ， wi ）語音編碼是近年來發展起來的一種非常有潛力的低速率語音編碼演算法，因其良好的性能，受到了研究人員的廣泛關注。 -
The goal of this thesis is to develop a kind of 2kbps wi speech coder based on waveform interpolation ( wi ) coding at 3. 75 kbps, and have it simulated on computer by c language. in this thesis, the existing wi model has been improved
本文的主要目標是在現有的3 . 75kbps波形內插（ wi ? waveforminterpolation ）演算法的基礎上，開發一個速率為2kbps的wi編碼器，並用c語言在計算機上模擬實現。 -
The g. 726 speech coding algorithm involves adaptive linear prediction to eliminate the correlation of signal waveform, so as to reduce the resulting bit rate
G . 726建議採用自適應預測編碼，以消除波形信號的相關性，從而降低語音信號表達的比特率。 -
This dissertation researches on wavelet theory applied to information transmission, including cdma spreading code design, waveform coding in digital modulation, over - saturated multi - access communication, diversity techniques for multi - path fading channels, and peak - to - average power ratio ( papr ) reducing methods for the wavelet packet modulation signals, etc.
本文以子波理論為工具，較深入地研究了通道傳輸方面的幾個問題，內容包括cdma擴展碼的設計、數字基帶波形成形技術、過飽和多址通信、克服衰落的分集技術和減小子波包調制信號的峰值功率/平均功率比值的方法等。
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