signal modulation的例句大全

Hybrid Radar Signal Composed Modulation of Linear Frequency and Barker Phase Coded Modulation

线性调频和巴克码组合调制雷达信号

Time-Phase Modulation Signal Analysis Based on Cyclic Spectrum Correlation Technology

基于循环谱理论的时相调制信号分析循环计时电势分析法

The design of software is finished based on the completed design of universal hardware platform, including signal source module, terminal module, modulation module, demodulation module, controller module and LCD/ keyboard module.

在完成通用硬件平台设计的基础上，完成了实验系统的软件设计，包括信号源模块、终端模块、调制模块、解调模块、控制器及液晶键盘模块共六部分。

A kind of signal processing circuil for the drop volume measurement through the capacitive drop sensor, based on frequency modulation, is introduced.

文中详细介绍利用调频原理通过电容液滴传感器对液滴体积进行测量的方法。

The Study on Measuring the Amplitude Modulation Signal with the DPSD Algorithm

应用DPSD算法测量调幅信号的研究

Research on intermediate frequency electrotherapy apparatus using false random signal amplitude modulation

伪随机信号调幅中频电子治疗仪的研究

In communication system, channel encoding is an efficient way to improve reliability, and on the other hand, modulation is a necessary step to turn digital signal into signal which can transmit easier in the channel.

在通信系统中，信道编码是提高系统可靠性的有力手段，调制是把数字基带信号转换为便于信道传输的信号的必要步骤。

Firstly, this article analyses the function expression of the modulation wave in theory; then researches the three elements' expressions on the Circuit signal; finally, combining the signal expression of the three elements, fit out the modulation wave by the resistor network.

本文先理论分析了调制波的函数表达式，接着研究了三要素量在电路上的信号体现方式，最后结合三要素的信号表达采用电阻网络拟合出调制波。

First a conversion of the speech signal prerecorded on a magnetic tape to amplitude transmittance of photographic film is accomplished with a cathode ray tube ( CRT) using density modulation method.

借助于阴极射线示波器，首先将录制在磁带上的语音信号用密度调制的方法转变为照相底片的振幅透射率的变化，从而实现信号由时域到空域的转变。

Development of Multi-function Frequency Modulation Signal Accrue Implement

多功能调频信号发生器的研制

Theoretical study of frequency chirping of wavelength-converted signal by cross-phase modulation using linear optical amplifier

基于线性光放大器的交叉相位调制波长转换啁啾特性研究

The modulation of Galileo Satellite Navigation System's signal is analyzed in this paper, especially, the basic principle of the BOC and ALTBOC is analyzed in detail.

总结了伽利略卫星导航系统各信号的信号调制方式、各频段的信号调制体制，特别是BOC调制及ALTBOC调制技术的基本原理。

in the scheme, a set of feature parameters are extracted from signal spectrum and constellation based on the differences between digital mixed signals and common digital modulation signals.

该方案利用数字混合信号与常用数字调制信号在信号频谱以及星座点的差异提取特征参数进行自动识别。

This method plays an important role in the detection of communication signal such as multi-frequency modulation signal and time-frequency code signal.

它可以把多个正弦信号相干累加到一条谱线上，从而可以在很低信噪比下有效检测信号，在多频率调制和时频二维编码等通信信号检测上有重要应用价值。

Edge Jitter of Slope Overload Signal in Delta Modulation

△调制中斜率过载信号的边沿抖动

Action of self-phase modulation of optical fiber on propagation and evolution of chaotic signal is analyzed in detail.

着重分析光纤自相位调制对激光混沌信号传输与演化的作用。

Edge jitter of slope overload signal in delta modulation is analyzed theoretically, the average edge jitter noise energy formula is derived and a method of reducing edge jitter is presented.

本文在理论上分析了△调制中斜率过载信号的边沿抖动，导出了平均边沿抖动噪声能量公式，并给出降低边沿抖动的方法。

This paper describes an important part of subscriber line interface circuit in digital telephone switching systems the new generation Codec based on DSP ( Digital Signal Processing) and ΣΔ modulation technologies.

介绍了数字电话系统中用户线接口电路的一个重要电路&基于数字信号处理（dsp）和∑Δ调制技术的新一代编解码器（codec）。

A small signal theory& space charge wave physics relevant to modulation properties of intense relativistic electron beams in klystron amplifiers is described in this paper.

介绍了在长脉冲强流相对论速调管（RKA）研究中强流相对论空心电子束（IREBs）的一种小信号群聚理&空间电荷波理论。

ASE adds linearly to the signal leading to an amplitude noise that is converted to phase noise through self-phase modulation ( SPM).

ASE是一种线性的幅度噪声，通过自相位调制转换成相位噪声。