envelope level of sync peak for modulated vision signal
已调图像信号同步顶包络电平
When there is a modulated signal from transmitter, there are side bands.
只要在发射机中存在调制信号，就含有旁频带出现。
A functional unit that converts a modulated signal into the originalsignal.
属于某一操作装置的组成部分的硬件或软件。
a functional unit that converts a modulated signal into the original signal
把已调制过的信号恢复为原始信号的一种功能部件
There are three basic ways in which a radio carrier signal can be modulated.
无线电载波讯号被调变有三种基本的方式。
The high frequency sine wave is modulated by adding the modulating signal to it in a mixer.
高频率的正弦调制波通过添加调制信号在混频器。
the conversion of a modulated carrier wave into a current equivalent to the original signal
解调，检波，从调制后的载波中得到原先信号的转换方法
A functional unit that converts a signal into a modulated signal suitable for transmission.
将信号转变成适合于传输的被调制信号的一种操作装置。
The problem of estimating the parameter of a linear frequency modulated signal embedded in additive noise is considered.
研究了加性噪声中线性调频信号的参数估计问题。
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