variable slope delta modulation中文什么意思

variable: adj. 1.易變的，變化無常的，無定的 (opp. c ...
slope: n. 1.傾斜，坡度；坡，斜坡，斜面；【印刷】斜體。 2 ...
delta: n. 1.希臘語字母表第四字母〔Δ，δ〕。 2.(河流的 ...
modulation: n. 調(diào)整，調(diào)節(jié)；(聲調(diào)的)抑揚(yáng)，變化；【音樂】轉(zhuǎn)調(diào)，變 ...
continuous slope delta modulation: 連續(xù)斜率增量調(diào)制

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Cvsd （ continuous variable slope delta modulation ） voice coding enables operation at high bit - error rates
連續(xù)可變斜率增量調(diào)制的語音編碼可以在高誤碼率的情況下正常工作。
Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service , multi - modulationmode and multi - processdatarate . first , related software defined radio theory is introduced ; later , channels of transmitter - receiver are designed with consideration of data format , modulation , fec , interwaving . and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding
本文首先介紹了相關(guān)的軟件無線電理論；然后完成了包括數(shù)據(jù)格式，調(diào)制方式，糾錯(cuò)碼方式，交織器和擾碼器等部分的中頻調(diào)制解調(diào)器通道設(shè)計(jì)；接著著重介紹了系統(tǒng)中使用的音頻壓縮算法cvsd (連續(xù)可變斜率增量調(diào)制)的原理和實(shí)現(xiàn)，以及作為前向糾錯(cuò)碼的卷積碼編碼理論和編解碼的高效實(shí)現(xiàn)。

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