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Decode using differential pulse code modulation collapse all in page Syntax sig = dpcmdeco(indx,codebook,predictor) [sig,quanterror] = dpcmdeco(indx,codebook,predictor) Description sig = dpcmdeco(indx,codebook,predictor)implements differential pulse code demodulation to decode the vectorindx. The ...
indx = dpcmenco(sig,codebook,partition,predictor)implements differential pulse code modulation to encode the vectorsig.partitionis a vector whose entries give the endpoints of the partition intervals.codebook, a vector whose length exceeds the length ofpartitionby one, prescribes a value for each pa...
The meaning of PULSE CODE MODULATION is modulation of a radio wave or signal in which the intelligence is conveyed by a code or order of pulses of the wave that are usually all of the same size and shape and that are transmitted at multiples of a standar
Pulse Code Modulation 英 [pʌls kəʊd ˌmɒdjʊˈleɪʃən] 美 [pʌls koʊd ˌmɑdʒəˈleɪʃən]网络 脉码调制; 脉冲编码调制; 脉冲码调制; 脉码调变; ...
Pulse Code Modulation (PCM) is a method of transmitting data where the message is represented by a series of equal-height pulses, allowing for accurate regeneration of the original signal despite noise interference. It involves sampling, quantizing, and coding analog signals into binary numbers for...
百度试题 结果1 题目解释脉码调制pulse code modulation(PCM) 的意义?相关知识点: 试题来源: 解析 答:脉码调制,一种调制方式,模拟信号被采样,然后将采样值进行量化和编码,用不同类型数目的脉冲和间隔构成信息元素。反馈 收藏
抽样定理是任何模拟信号数字化的理论基础,PCM编码就是建立在抽样定理基础之上的,PCM编码主要包括抽样、量化、编码三个步骤。 (1)抽样:在满足抽样定理的条件下,每隔固定的时间间隔取出模拟信号的采样值,把连续时间的模拟信号转换成离散时间连续幅度的抽样信号。 (2)量化:将抽样取得的离散时间连续幅度的抽样信号转换成离...
PCM(Pulse Code Modulation)脉冲编码调制,是将连续的模拟信号变换成离散的数字信号的过程,是模数转换的实例化,步骤包括采样、量化、编码。在调制过程中将模拟信号每隔一定时间进行采样,使其离散化,同时将采样…
PCM 中文称脉冲编码调制(Pulse Code Modulation,PCM)，工作过程是有模拟信号转化为数字信号，这个过程中并...