carrier wave

In communications, the amplitude variations of an amplitude modulated carrier wave.

在通信技术中, 调幅载波的幅度变化图.

Low SSB phasic noise conduces to detect be close to signal of carrier wave lown.

低SSB相位噪声则有助于检测靠近载波低电平信号.

The experiment consists of two parts: the ageing test of driving circuit board, the carrier wave test of driving circuit board and the operation test of returning to zeros.

该实验包括驱动板老化测试，驱动板载波及回零运转测试两部分。

Design of Multiple Boom Bucket Wheel Sticker Power Carrier Wave Communication System

多台斗轮堆取料机电力载波通信系统设计

These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.

这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。

Correcting Frequency And Error Analysis of Auxiliary Carrier Wave of Color Television

彩色电视副载波校频及误差分析

The applications of remote communication techniques, including line carrier wave based remote control and remote alarm based on short message of mobile telephone in small hydropower station monitoring and control system are introduced. The block diagram of the system and some hardware electric circuits are also given.

介绍了远程通信技术中基于电话线载波的远程控制技术以及基于手机短信息的远程报警技术在小型水电站监控系统中的应用，并给出了系统框图及部分硬件电路。

Thirdly, the character and realization of electric power carrier wave in star type correspondence system. were described in detail.

第三、设计了星型通信系统中的电力载波的特点和实现方法，详细介绍所提出的采用电力载波通信方式的采集器的整体设计方案。

Analysis in effects to high frequency protection command transmission time in carrier wave channel

浅析高频保护命令载波通道传输时间的影响

And also mathematical model is built and concluded that this method can keep current continuously, which ensures each phase balance and the carrier wave ratio is 2n+ 1 multiple of 3.

该方法实现简单，可使直流侧电流无断路。通过数学建模和分析得知：位置反相交叉保证了电流的连续性；载波比为3的整数倍且为奇数，保证了各相的功率平衡。

The carrier wave has got out of phase with the signal wave.

载波同信号波是异相的.

Effect of Installation Site of High-voltage Reactor on Carrier Wave Channel

高压电抗器安装位置对载波通道的影响

Modeling and Simulation of carrier wave multipath phase bias on shooting range GPS position measurements

靶场GPS载波相位多路径误差建模与仿真

The process of retrieving intelligence ( data ) from a modulated carrier wave; the reverse of modulation.

从调制过的载波信号中检出信息 ( 数据 ) 的过程, 是调制的逆过程.

The power of the modulated carrier wave is increased by the RF power amplifier.

射频功率放大器增加了调变载波的功率.

Based on the principle of VSB, a new kind of amplitude demodulation for VSB launching powerful carrier wave at dispatcher is proposed, and the anti-noise property of the system is analyzed.

从残留边带（VSB）调制原理出发，提出一种在发送端发射强载波，从而用包络检波法对VSB进行解调的方法，并对其抗噪声性能进行了详细的分析介绍。

Multi-Channel Telephone and Television Optical Fiber Communication Equipment Using FM of 70 MHz Carrier Wave

70MHz调频光纤多路电话电视设备

To extract ( information ) from a modulated carrier wave.

解调(信号等)从调制过的载波中分离出 ( 信息 )

Into increase the capacity of channel, the frequency of carrier wave moved to higher endlessly.

为了增加信道容量, 载波频段不断地向高频方向移动.

Realizing supervisory signal of carrier wave transmission by the existing F2 digital passage interface

利用F2口通道实现载波监测信息传输

This system use electric power carrier wave communication chips, the channels between which are changed to telephone lines, to realize the long-distance communication of data.

本系统还运用电力载波通信芯片（将信道改为电话线路）实现了数据远程通信。

Research of Intelligent Device for Testing High Frequency Carrier Wave Channels of Electric Wire

智能电力线高频载波通道测试装置的研究

A Temperature Telemetering System Based on Power Line Carrier Wave

利用电力线载波实现的温度遥测系统

Multi channel Signal Telemetry System for Coal Mines with Carrier Wave Transmitted by Telephone cable

利用电话线载波的煤矿多路信号遥测系统

The information teletransmission and integration based on common carrier wave

基于普通载波的信息远传和集成

Research on Carrier Wave Acquisition in a Unified Spacecraft TT& C System

统一系统载波捕获方法研究

Pulse modulation uses a pulse sequence or a group of digital signal as the carrier wave, and sine wave modulation use high-frequency sin wave.

脉冲调制是用脉冲串或一组数字信号作为载波的调制方式，正弦波调制则是载波为高频正弦信号的调制方式。

Through the improvement of carrier wave ratio selection and algorithm, the symmetry of the three-phase output voltage waveform of the inverter can be guaranteed, and the harmonic components can be reduced.

通过对载波比选取原则与计算公式的改进，可使变流器输出波形三相对称，谐波分量减少。

The Meter Reading System in Power Line Carrier Wave Based on the Network Technology

基于网络技术的电力载波抄表系统