modulation method

Adaptive QAM modulation method based on channels prediction algorithm

一种信道预测下的自适应QAM调制方法

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Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation method.

采用调整控制参数的方法,实现对化学双稳行为的调制.

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The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.

三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。

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This paper brings forward the modulation method based on DSP technique firstly.

本论文首次提出了基于DSP技术的软件调制方法.

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Using MATLAB simulation software, the thesis simulates and analyzes dynamic performance of control system, proving that two-phase modulation method can reduce the switching losses of the power electronic devices.

通过MATLAB仿真软件分别建立了两种控制系统的仿真模型并进行了仿真与分析，从而验证了两相调制控制策略在保证输入电流正弦化、母线电压稳定的同时可以有效地降低功率器件的开关损耗。

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The stability of micro-birefringence optical path difference measuring system based on electro-optic modulation method is studied.

提出用旋转半波片 - 反射法测量半封闭玻璃制品应力,探讨以电光调制法为基础的微双折射光程差测量系统的稳定性.

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Simulation Study of Matrix Converter Space Vector Modulation Method Based on Simulation Block of Matlab

基于Matlab仿真模块的矩阵变换器空间矢量调制策略仿真研究

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By using this modulation method, the location service control to the tank artillery stabilizer is realized effectively.

采用这种调节方法很好地实现了某型坦克火炮稳定器的火炮位置伺服控制。

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A Signal Modulation Method on High Voltage Side of Electronic Current Transformer with Low Power Consumption

电子式电流互感器的一种高压侧低功耗信号调制方法

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It deduces the state of each power electronics device in UPFC by means of the voltage space vector pulse width modulation method.

论文利用电压空间矢量脉宽调制法推导出UPFC各桥臂电力电子器件的开关状态。

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A new space vector modulation method based on reference voltage decomposition for multilevel VSI

基于参考电压分解的新型多电平逆变器空间矢量调制方法

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Space vector pulse width modulation method for three-level inverter

三电平逆变器的空间矢量脉宽调制方法

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The modulation method for multi modular phase shifted SVM technique is to stagger the sampling time of each converter unit, and to make the sampling time of the adjacent converter unit deviate by 2 π/ ( KN).

组合变流器相移SVM技术的调制方法，就是将各变流器单元的采样时间错开，使得各变流器单元使用相同的SVM算法，相邻变流器单元间的采样时间相差2π/（KN）的角度。

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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。

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Pseudo-chaotic time hopping is a modulation method which is suitable for ultra wide-bandwidth impulse radio communication systems.

伪混沌跳时是一种适用于超宽带脉冲无线电通信系统的调制方法。

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Orthogonal frequency division multiplexing ( OFDM ) is a multi-carrier modulation method .

正交频 分多路 复用是一种 多载波调制 技术.

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You need to remember is that pictures are digital modulation method is good.

需记取的是,图片的数字化调度的办法是不错的.

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MC-CDMA is a multi-carrier modulation method presented for broadband mobile communications.

CDMA是为宽带移动通信而提出的新型多载波调制技术.

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The Study of the Modulation Method for VDSL Digital Subscriber Lines

VDSL数字用户环路的调制方法分析

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Novel Modulation Method for Direct Power Control of Three-phase PWM Rectifier

三相PWM整流器直接功率控制的新调制方法

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Microcomputer bused Real time Modulation Method of Inverter Space Vector Symmetric PWM Signal

逆变器空间向量对称PWM信号微机实时调制方法

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This paper discussed the based theory of modulation method, demodulation method, the constitution of message source, technological form of signal and pseudo code position of the new-typed system.

详细的讨论了新型NAVTEX系统所采用的调制解调方式、信源的建立、信号的技术格式、伪距导航定位原理等基本的理论。

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A new modulation method of the chopping secondary for infrared astronomical observation

红外天文观测中望远镜副镜的一种新调制方法

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On-off keying ( OOK) is the main modulation method used in the present optical communication engineering, simple and easy to implement. But its bit error rate is so high that error correcting coding techniques are necessary.

目前无线光通信工程主要采用开关键控调制，该调制简单、易实现，但误码率高，需要引入纠错编码技术。

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