【单选题】【消耗次数:1】
模拟信号转换为数字信号的过程是()。
量化→采样→编码
采样→量化→编码
编码→采样→量化
参考答案:
复制
纠错
相关题目
【单选题】 将数字信号转换为模拟信号的过程称为( )。
①  解调
②  调制
③  加密
④  解密
【单选题】 数字音频采样和量化过程所用的主要硬件是()。
①  数字编码器
②  数字解码器
③  模拟到数字的转换器(A/D转换器)
④  数字到模拟的转换器(D/A转换器)
【单选题】 数字音频采样和量化过程所用的主要硬件是( )。
①  数字编码器
②  数字解码器
③  模拟到数字的转换器(A/D转换器)
④  数字到模拟的转换器(D/A转换器)
【判断题】 量化的编码问题。()
①  正确
②  错误
【单选题】 把时间连续的模拟信号转换为在时间上离散的,幅度上连续的模拟信号的过程称为_______。
①  数字化
②  信号采样
③  量化
④  编码
【单选题】 将显存中的数字信号转换为能够用于显示的模拟信号,称为( )。
①  RAM
②  RAMDAC
③  DAC
④  RAMADC
【判断题】 调制技术是将模拟信号转换成数字信号。
①  正确
②  错误
【判断题】 能将模拟信号转换成数字信号的电路,称为D/A转换器,简称DAC。
①  正确
②  错误
【单选题】 将各种数字信号转换成适合于在电话线等信道传输的模拟信号的过程,称为( )。
①  调制
②  解调
③  编码转换
④  线路优化
【单选题】 采样和量化是数字音频系统中的两个最基本的技术,以下正确的是 ( )。
①  48KHZ 与量化有关
②  16bit与量化有关
③  8bit比16bit质量高
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随机题目
【单选题】 He _______ to study harder in the future so that he could have more opportunities to find a better job.
①  resolved
②  resorted
③  requested
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【单选题】 She accused the man _____ breaking into her house.
①  at
②  of
③  for
④  with
【单选题】 Students with _______ problems may apply for student loans.
①  economic
②  financial
③  male
④  economical
【单选题】 James Fraser ____ tradition by using three actual American Indians as models for his creation.
①  went out
②  went for
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④  went against
【单选题】 Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ____ of the quality of their products.
①  expense
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③  expansion
④  expectation
【单选题】 I always ____ what I have said.
①  get to
②  hold to
③  lead to
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【单选题】 The manager promised to keep me ____ of how our business was going on.
①  to be informed
②  on informing
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④  informing
【单选题】 I’m very sorry to have ____ you with so many questions on such an occasion.
①  interfered
②  offended
③  impressed
④  bothered
【单选题】 If we say some food is ____, we mean it is safe to eat.
①  ideal
②  editable
③  ideate
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【单选题】 Most people came to realize that it was about time the government ____ further measures to control the population.
①  must take
②  is taking
③  takes
④  took