digital modulation signal的意思|示意

The approach is to use short-time analysis to extract the characteristics of time-varying amplitude, frequency and phase in a digital modulation signal, and applies them for simple identification.

该方法用短时分析提取数字调制信号在幅度、频率和相位随时间变化的特征，并利用这些特征对各种数字调制信号进行识别。

In the digital mobile communication, with the effect of modulation, transmission channels and demodulation, the received signal ineluctably has some distortion.

在移动通信系统中，信号经过调制发射、信道传输和接收解调的过程中，不可避免的会引入一些干扰，使得有用信号受到影响。

Data bits are allocated to the channels through a highly efficient modulation technique that converts digital data to electrical signal pulses.

数据通过一种高效的调制技术(即把数字数据变成电信号脉冲)分配给各个信道。

The moisture sensor makes digital modulation and compensation on signal non-linearity and temperature offset by adoption of microprocessor.

该传感器还借助微处理器对测量信号的非线性与温度漂移进行了数字化的修正和补偿。

This pager introduces simply the interrelation between analog modulation signal and digital modulation signal on HFC networks recently.

简要叙述现阶段HFC网络中模拟调制信号与数字调制信号的相互影响。

The experiment results justify the high recognition rate with less samples, thus the method can be used in the digital signal modulation recognition system.

实验结果表明，该调制识别方法在小样本下具有较高的识别率，可以应用在数字信号的调制识别系统中。