modulation frequency的例句大全

According to the steel belt machine promotion characteristic, embarked from the reality, the frequency conversion velocity modulation control technology is chosen.

根据钢带机提升的特点，从实际出发，选择了变频调速控制技术。

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号，经放大来控制逆变主桥路中可控硅晶闸管的通断，从而实现恒压调速。

The study of chirped-pulse amplification in the gain saturation regime shows that the linear frequency chirp of input pulse tends to suppress the effects of self-phase modulation.

通过对增益饱和状态下自相位调制效应的研究，提出利用入射脉冲的线性频率啁啾抑制自相位调制的影响。

regarding frequency modulated continuous wave signal, the spectral analysis of instantaneous frequency is used to extract modulation parameter.

对于调频连续波信号，对其瞬时频率进行频谱分析来提取调制参数。

the model of bayesian estimation is studied for estimating the modulation parameter of lfm signal and the frequency of sine signal.

推导了一种线性调频信号参数的贝叶斯估计模型，并将其推广到正弦信号载频的贝叶斯估计中。

the carrier frequency have to be estimated to fix on scale's range of the wavelet transform on studying on modulation parameter estimation of mpsk signals in advance.

针对MPSK信号调制参数估计，首先进行信号载波频率预估计以确定信号小波变换的尺度范围中心。

the dissertation includes an analysis of the influence of phase modulation parameter, group velocity mismatch and the wave-length of incident wave on the waveforms of frequency doubled pulses; shows the influence of the chirp of fundamental wave on shg conversion.

论文分析了相位调制参量，群速度失配量及入射波波长对倍频脉冲波形的影响；研究了基波啁啾对倍频转换的影响。

the main contributions of this dissertation are given as follows: in chapter 2, the intra-pulse modulation parameter estimation problem is studied. we focus on solving the problem of intra-pulse modulation parameter estimation for multi-component linear frequency modulation ( lfm) signals.

主要研究内容概括如下：第二章研究LFM信号脉内调制参数估计问题，着重解决多分量LFM信号的脉内调制参数估计问题。

primary frequency modulation simulation and parameter identification for hydroelectric generating set

水轮发电机组一次调频仿真与参数辨识

based on modulation domain analysis, a frequency modulation parameter testing method is proposed.

基于调制域分析，设计了电子产品频率调制参数测试方法。

multicarrier direct sequence code division multi-access ( ds-cdma) is a combination of orthogonal frequency division multiplexing ( ofdm) modulation and code division multiaccess ( cdma) multiple access schemes.

多载波直接扩频序列码分多址（DS-CDMA）是一种结合正交频分复用（OFDM）的调制方式和DS-CDMA的多址方式而产生的宽带CDMA传输方式。

a frequency discriminator for pulse modulation signals

一种脉冲调制信号鉴频器的设计

a solution of automatic testing for frequency modulation parameter by industrial control computer is realized.

实现了利用工控机自动进行频率调制参数测试的方法。

the configuration and activity theoretical of the placet frequency modulation glary instrument are introduced in this paper.

本文介绍了一种新型的可调频闪仪的结构及其工作原理。

frequency locking of a semiconductor laser via radio-frequency modulation spectrum

采用射频频率调制光谱实现半导体激光器稳频

fiber bragg grating array interrogation with sub-carrier frequency modulation technique

基于副载波调频技术的光纤光栅传感网络查询

due to the low papr, single-carrier systems based on orthogonal frequency division multiplexing ( ofdm) modulation is a promising technique for the uplink of the 3gpp lte.

在3GPP LTE的上行方案中，基于OFDM的单载波系统因为其PAPR比较低的优势，成为最有竞争力的备选方案。

the pulse modulation and frequency shift modulation technologies have been studied theoretically and experimentally based on the detailed introduction of operation principle of electro-optic modulator ( eom).

在详细介绍电光调制器（EOM）工作原理的基础上，理论并实验研究了EOM脉冲调制和移频调制技术。

residual amplitude modulation ( ram) in electro-optical phase modulators ( eom) and its influence on the laser frequency shift of iodine-stabilized 532 nm laser are investigated experimentally.

实验研究了电光相位调制中剩余幅度调制以及它的变化引起的碘稳频532nm光频标的频率漂移。

applications of frequency modulation device to centrifuge drive pulling system

变频调速装置在离心机拖动系统上的应用