查询词典 modulation

Vortex folwmeter ; optical-fiber ; light-frequency modulation ; vortex shedder

涡街流量计；光纤；光频率调制；涡街发生体

A sidelight here is that if you look at the mathematical representations of a PM signal versus an FM signal, the difference is that the modulation component in a PM signal is the mathematical derivative of the modulating signal in the FM signal.

如果你看调相PM信号和调频FM信号的数字表达式的对比，它们的不同点是调相PM信号调制向量是调频FM信号调制向量的数学派生。

The signal is modulated by rotating the torsion balance to ensure the effectiveness of detection for all possible orientations of the vector potential, and the influences of sidereal disturbances of environment are also removed by virtue of this modulation method.

此后，针对2002年的实验中存在的问题，作者重新设计了新的实验方案和高真空调制实验平台，并于2005年完成了改进的扭秤调制实验。

Program is divided into three parts: phase.m symbol of the baseband shaping pulse sequences, optional rectangular pulse, the square root raised cosine pulse and raised cosine pulse model.m-based procedures, completed a variety of base-band signal constellation mapping , pulse shaping and modulation command.m given spectrum shows a simple test.

程序分成三个部分：phase.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； model.m 为主程序，完成各种信号的基带星座图映射、脉冲成型和调制； command.m给出一个简单的频谱显示测试。

Illumination power source: slit lamp brightness continuously adjustable power source: the modulation design, the performance is stabler, enormous convenience equipment's service and promotion.

照明电源：裂隙灯亮度连续可调电源：模块化设计，性能更稳定，极大的方便了设备的维修和升级。

How to improve the performance of modulation recognition algorithms in low SNR becomes an important theme for their applications.

如何提高调制识别算法在低信噪比时的识别性能，是调制识别技术工程应用中必须解决的重要课题。

The apparatus comprises: a converter with refractory lining, an injection oxygen lance in the converter, a solenoidal coil in the lining, a DC generator, and a modulation signal generator.

本发明的设备包括：配有耐火内衬的转炉(1)、置于炉内的喷吹氧枪(3)、布置于转炉内衬中的螺管线圈(5)、直流电源部分、调制信号发生部分。

This paper introduces a system solution of modulation domain analyzer and it s principle of meas- uring frequency and time interval.

本文介绍了一种调制域分析仪系统方案及其测量频率与时间间隔的工作原理。

Simulation models are good tools for the modulation and the experiment system is beneficial to the Sparse Matrix Converter's apply.

本文建立的仿真模型为稀疏矩阵变换器调制的过程提供了方便的分析和调试工具；实验系统也为稀疏矩阵变换器的实际应用打下了一定基础。

The algorithm is suitable for the modulation mode that has the symmetry of spectral correlation density.

该算法对谱相关密度谱对称的调制方式均适用。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。