digital signal spectrum的意思|示意

This paper proposes a novel spectrum-compressed digital receiving method using Laguerre transformation for LFM signal.

该文提出了一种新的宽带线性调频(LFM)信号频谱压缩数字接收方法。

Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.

本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。

The weighted method is an important method of enhancing resolution in digital signal spectrum analyses.

在数字信号谱分析中，加权处理是提高谱分辨率的重要方法。

Spectrum errors will occur when the digital signal is transformed from time to frequency domaim.

对含有噪声的数字信号进行时频变换时，必然引起频谱误差。

This paper introduces an objective way to evaluate the quality of digital voice by means of LPC logarithmic inverted spectrum-envelope offset and artificial composite voice signal;

介绍了一种利用LPC对数倒频谱包络偏离量和人工合成语音信号对数字语音质量进行客观评价的方法；

In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.

文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法，并给出了实时算法的设计要点。