modulation method的例句大全

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。

Single-carrier Modulation and Neutral-point Balancing Method for Simplified Three-phase Three-level Diode-clamped Rectifer

三相三电平二极管箝位型整流器的单载波调制和中点平衡控制策略研究

We use OOK modulation encryption method, through an external SCM circuit board to control the SMD LED luminous. The realization of the label encryption which is simple and practical.

本文利用OOK调制加密方式，通过外接单片机电路板控制贴片LED的发光，实现标签加密。

A new current tracing control method based on double delta modulation, i.e., combining amplitude delta modulation with time delta modulation, is presented.

提出了一种基于幅值△调制和时间△调制相结合的双重△调制电流跟踪控制新方法。

Several methods for measuring PMD based on time-domain and frequency-domain are introduced, of which a new method& modulation phase shift technique is also presented.

介绍了时域法与频域法的几种偏振模色散（PMD）的测量方法，其中包括了一种新的测量方法&调制相移法。

Design of 6 ∶ 8 Optimal-mapping Constant Weight Modulation Code by Multistage Decision Method

多阶段决策方法用于6∶8优化映射等重调制码的设计

An Effective Method for Rejecting the Spurious Interference in Phase Modulation and its Measurement

抑制寄生调相干扰的有效方法及其测量

A new current detection method is introduced aimed at lower bridge arm modulation when motor is operating at six states. Thirdly, system hardware and software is designed and debugged bases on theory results.

针对三相六拍两两导通且下桥臂开关管调制方式提出了新型电流检测方案。再次，针对理论分析的结果，对系统硬件电路及软件代码进行了设计与调试。

The reasons for this spurious modulation, mathematical model and compensation method are studied.

研究了这种寄生调制产生的原因、数学模型以及补偿的技术。

An Audio Digital Watermark Method of Wavelet Based on Dither Modulation

基于扰动调制的小波音频数字水印

A new PWM ( Pulse Width Modulation) method called CRSC ( Correlated Reference Segmental Control) is proposed in this paper.

提出了一种新的脉宽调制（PWM）方法&关联指令分区控制（CRSC）方法。

Photoacoustic modulation in the measurement of light speed by photo-beat method

光拍法测量光速实验中的声光调制

A Method for Noise Speech Recognition Based on Modulation Spectral Feature

一种基于调制谱特征的带噪语音识别方法

The reference vector corresponding to basic vector and its role time under linear modulation mode is decided. As well as redundant switches are optimization selected by extreme value method to reduce the switching frequency.

确定了线性调制模式下参考矢量所对应的基本矢量及其作用时间；并提出了极值法对冗余开关状态进行优化选择以降低开关频率。

a novel method for measuring modulation depth and effective thickness of volume gratings

一种测量体光栅调制度和有效厚度的新方法

This thesis mainly designs the efficient prototype filter and modulation filter set using the method of Frequency-Response Masking ( FRM) and simulates them using MATLAB software.

本课题主要是利用频罩法实现高效的原型滤波器设计和调制滤波器组的设计与实现，并利用MATLAB软件对所研究的内容进行了仿真。

The Basic Method of Digital Amplitude Modulation for All-Solid Medium Wave Transmitter

全固态中波发射机数字幅度调制的基本方法

It uses fibre-optic sensing technology based on refractive index modulation and has some advantages over conventional capacity method.

它采用基于折射率调制的光纤传感技术，可避免传统电容法的不足。

The design of power in accordance with ordinary laboratory user requirements, parameters of the proposed based on pulse width modulation ( PWM) high efficiency, low power switch power dc voltage converter design method, adopts full bridge, step-down, mainly push-pull loop circuit topology.

本设计依照普通实验室用户对电源参数的要求，提出了一种基于脉冲宽度调制（PWM）高效率、低功耗开关电源直流电压转换器的设计方法，采用全桥、降压、推挽回路为主电路拓扑。

This paper, based on the measurement of the impedance-frequency characteristics and attenuation characteristics of the city telephone line network, proposes a method of FDM to transfer carrier signal, such as digital modulation signal, tone carrier signal, etc.

在对市内电话信道阻抗特性、衰耗特性测试的基础上，提出市话线路可采用频分复用的方法传递载波信号，如数字调制信号、语言载波信号等。