Modulation Mode

The modulation mode of moderate-strong and strong earthquakes and its significance in earthquake prediction

中强震和强震的调制模式及预报意义

A novel modulation mode of inverter-the mode based on trapezoidal PWM scheme with idential area is introduced in this paper .

本文提出一种逆变器的新型调制模式-基于面积等值的梯形波脉宽调制。

Study on modulation mode for free space optics communication

自由空间光通信调制方式研究

The rate control is implemented via changing the modulation mode of physical layer .

通过改变物理层不同的调制方式实现传输速率控制。

Digital Correlator has different realizing structure for different modulation mode and data frame .

对于不同的调制方式和不同的数据帧结构，数字相关器的实现方案有很大不同。

Pulse width Modulation Mode DAC and Their Application in Machine and Generator Control

脉宽调制式DAC及其在机电控制中的应用

Amplitude modulation mode of analog video signal transition ;

模拟视频信号的调幅方式传输；

Study on PWM Modulation Mode of Brushless DC Motor

无刷直流电机PWM调制方式研究

This paper then brief introduced the modulation mode of signal and related theory of modulation mode identification .

简要介绍了信号的调制方式和调制方式识别的相关理论。

A new method of wide swath SAR based on multiple modulation mode is presented in this paper .

该文论述了一种基于多调制方式的宽测绘带方法。

QPSK modulation mode of Hamming encoding different signal to noise ratio in the quality of communication .

分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。

The PMD adaptive compensation scheme with the recognition function of signal modulation mode has been first put forwarded .

提出一种带有信号调制格式识别功能的PMD自适应补偿方案。

The compare of the modulation mode in the VDSL

VDSL中调制方式的比较

Based on the modularized ASI , cascade inverter topology structure and modulation mode is introduced in this paper .

本文基于一种以级联逆变器为核心的模板化航空静止变流器，介绍了级联逆变器的拓扑结构，其具有模块化程度高、能量分布变换和高效率等优势。

Based on laser triangle measurement principle , a sine-wave light intensity modulation mode and non-contact laser triangle measurement equipment is designed .

本文根据激光三角测量原理设计了一种正弦波光强调制式、非接触激光三角测量头实验装置，并对该测量头的性能特点进行了系统的研究和分析。

Because there are much more interference signals in receiver systems , the information modulation mode and the choice of carrier frequency are especially important .

应答器接收系统信号外界干扰源较多，因此信息调制方式和载波频率的选择变得尤为重要。

The DC-DC switch power supply of the basic principles , including four basic topology structures , modulation mode and feedback control method are also studied .

研究了DC-DC开关电源的基本原理，包括四种基本拓扑结构、调制方式以及反馈控制方式。

While there are different communication systems in different communication services , such as modulation mode and band and transmitting rate and MAC and so on .

而不同通信服务采用不同的通信系统或者说不同标准的通信设备，其调制方式、频段、传输速率、多址接入方法等不尽相同。

Through the use of PWM modulation mode control three phase stator voltage , delayed turn off , make the turn off phase current smooth change .

采用PWM调制方法来控制三相定子电压，使关断相延迟，让关断相的电流变化平滑进行。

Automatic modulation mode recognition of communication signals has found wide application areas , and it is very important for a military software radio interception receiver .

自动调制方式识别应用范围广泛，对于军用软件无线电侦察接收机更具有十分重要的意义。

Experiment results show that the anti-interference capability of the proposed scheme which closes to that from digital modulation mode can meet the need in practice .

实验表明，文中所提方案的抗干扰能力可与数字调制方式相比，能够满足实际工程需要。

SVPWM modulation mode with which the DC voltage utilization ratio is high , the switch wastage is small and the harmonic content is low .

采用SVPWM调制方式，有利用率高、开关损耗小、谐波含量低等优点。

The all-digital receiver with QAM modulation mode , with its all-digital processing and high bandwidth efficiency and other advantages , was widely used .

采用QAM调制方式的全数字接收机，以其全数字化处理和较高的频带利用率等优势，得到广泛的应用。

As the non-stationary signals , time-frequency analysis is an effective tool to deal with these two types of MCRES and its component modulation mode .

作为非平稳信号，时频联合分析是处理这两类多分量雷达辐射源信号及其分量调制方式的有效工具。

In this paper , two important aspects of the structural control of the way-the choice of modulation mode and capacitor voltage balance control method , conducted in-depth study and discussion .

本文针对该结构控制方式的两个重要环节&脉冲调制方式的选择与系统级控制方法，进行了深入的研究和讨论。

According to the modulation mode of the BOOST DC-DC converters , this thesis focuses on the current mode and voltage mode modulation of the DC-DC converter .

针对boostDC-DC转换器的调制模式，本文详细分析了BOOST转换器的电流模和电压模两种模式及其特点。

The author studies recognition of signal modulation mode in OFDM system according to the diversity of communication signal types and modulation modes and the complexity of wireless signal channel environment .

针对通信信号种类和调制方式的多样性、以及无线信道环境的复杂性，研究了自适应OFDM系统中信号调制方式的识别。

The pulse area modulation mode in the fields of high power factor convertor was applied to current source inverter , the lower harmonic waves in output current is effectively controlled .

把高功率因数变换器领域中所研究的脉冲面积调制法引入到电流逆变器的控制中，有效地抑制了输出电流中的低次谐波。

The author proposed the hardware circuit scheme and TDE ( Time Delay Estimation ) model for the system with the PRBS and ultrasonic carrier adopting ASK modulation mode .

伪随机码与超声载波采用ASK（幅移键控）调制方式，介绍了伪随机码超声扩频测距硬件方案和超声测距时延估计模型。

The adaptive technology of OFDM systems is based on the characteristics of each child channel , adaptive adjustments of signal transmission parameters includes modulation mode , coding mode and transmit power .

OFDM系统的自适应技术，是根据各个子信道的特性，自适应的调整信号的传输参数，包括调制方式，编码方式，发射功率等，实现对信道的充分利用，提高通信系统的传输性能。