automatic frequency control

Design procedure of automatic frequency control system of radar

雷达自动频率控制系统的设计

A Novel Automatic Frequency Control System

一种新颖的自动频率控制系统

The Automatic Frequency Control of Power System with Serious Impact Load

水火电联合跟踪冲击负荷的频率自动控制

Analysis of the Behavior and Energy Saving of Automatic Frequency Control Pump

全自动变频调速供水泵运行工况与节能分析

A Study on the Automatic Frequency Control Circuit of the Reflective Klystron

反射式速调管自动频率稳定电路研究

Automatic frequency control system tracking Bandwidth

自频调系统的跟踪带宽

For welding thicker pieces , automatic frequency control should be adopted .

对于较厚的焊件，应进行频率自动控制。

Design of Automatic Frequency Control Loop in Tracking-Receiver of Satellite Communication

卫星通信跟踪接收机自动频率控制环路分析

Automatic frequency control transformer automatic voltage regulating relay

自动频率调整变压器自动电压调节继电器

Automatic frequency control transformer single-phase induction voltage regulator

自动频率调整变压器单相感应电压调节器

The development of model LW400 × 1200 of high-speed centrifuge with automatic frequency control system

LW400×1200型变频控制高速离心机的研制

Automatic frequency control transformer radar AFC circuit

自动频率调整变压器雷达自动频率控制电路

The algorithm of cross product automatic frequency control ( CPAFC ) and frequency bin technology is used for tracking larger frequency deviation .

在数字化载波同步环路中，对于具有较大频率偏移的载波的跟踪，可以使用叉积自动频率跟踪算法以及频率开槽技术等，本文研究了它们的工作原理。

In order to make the RF source and the waveguide have the same resonant frequency , the automatic frequency control ( AFC ) system is used .

为了使得射频源和波导管的频率保持一致，采用了自动频率控制系统（AFC）。

Based upon the same idea , circuits having remarkable advantages such as frequency difference polarity discriminator circuits and automatic frequency control circuits are also proposed .

基于同样的原理，文中还介绍了具有明显优点的频差极性判别电路及自动调频电路。

The microwave oscillator frequency is locked to the resonant frequency of loaded resonator by means of automatic frequency control ( AFC ) .

微波振荡频率用自动频率控制（AFC）的方法自动锁在有载腔的频率上。

Automatic frequency control ( AFC ) system is used to adjust the frequency of microwave power source to match the inherent frequency of acceleratory tube .

自动频率控制（AFC）系统用于调节微波功率源输出的微波频率，使之与加速管的固有谐振频率匹配。

A new automatic frequency control ( AFC ) scheme was proposed , which could be used for the receiver of LEO satellite communication system in continuous transmitting scenario .

该估计方案可运用于连续传输场景的低轨卫星接收机中。

Automatic frequency control anti-surge system circumvents the limitations of the method of ordinary surge and provides a new approach to solve the surge of the counter rotary fan .

自动变频调速防喘方法规避了普通防喘方法的局限性，为解决对旋风机喘振提供了新的方法。

The source consists of a microwave phase-locked loop and a new type of automatic frequency control circuit . Chief factors to influence spectrum purity of microwave output signal and phase noise are analyzed .

该稳定本振源由一个微波锁相环路（PLL）和一种新型自动频率控制电路（AFC）组成，文中分析了影响微波输出信号频谱纯度和相位噪声的主要因素。

Based on the analysis , a new AFC system based on self-optimizing control is proposed with the experience of experts . The paper generally analyses the basic principle of phased-locked discriminating automatic frequency control ( AFC ) system , and the problems faced in application .

本文中简要分析锁相型自动频率控制系统的基本原理及其在实际应用当中遇到的问题，进而提出了一种新型的基于反射波极小值的AFC系统，并对其原理进行了深入的剖析。

Either through the automatic frequency control system to control the running state of the fan , this system can prevent the occurrence of the surge of the counter rotary fan at any time , to avoid accidents caused by the surge of the counter rotary fan .

既可以通过自动变频调速系统控制风机的运行状态，又可以随时防止对旋风机喘振的发生，避免对旋风机因喘振而造成事故。

The designed DCXO adopts Pierce architecture . The frequency drift correction is done by using a 6-bit automatic frequency control ( AFC ) signal generated by the feedback correction loop between the oscillator and the base band . The long term stable frequency output has been obtained .

所设计的数控晶体振荡器采用Pierce结构，利用基带与振荡器的反馈环路产生的6位自动频率控制信号，对振荡器的频率漂移进行校准，能得到长期稳定的频率输出。

We adopt automatic sampling frequency control and dynamic sampling precision control so as to avoid mixed superposition as well as to ensure a larger measuring scope and higher precision .

在采样控制方面，采用自动采样频率控制和动态采样精度控制的方法，防止了混叠的产生，同时，保证了有较大的测量范围和较高的精度。

Automatic frequency and generation control system in Xinjiang power network

新疆电网自动频率发电控制

Modeling Research on Automatic Load - Frequency Control of Interconnected Power Networks Based on MATLAB / SIMULINK

基于MATLAB/SIMULINK的互联电网负荷频率控制建模仿真研究

This paper introduced a design method of the automatic frequency and power control of ship power station based on Canbus and DSP .

介绍一种基于CAN总线和数字信号处理器DSP的船舶电站自动调频调载控制器的研制方法。

According to the principle of automatic load - frequency control ( ALFC ), by using flexible , effective & graphical modeling provided by MATLAB , the model that simulates ALFC of two interconnected network is set up .

根据自动负荷频率控制原理，利用MATLAB提供的灵活高效、图形化的建模仿真环境，建立模拟两区域互联的自动负荷频率控制的模型。

The Design of Microstrip Directional Coupler with Automatic Directivity Tuning automatic frequency control transformer

带自动方向性调节的微带定向耦合器的设计自动频率调整变压器

Automatic gain control ( AGC ) and automatic frequency control ( AFC ) were also integrated into the chip .

芯片内部还集成了自动增益控制（AGC）、模拟自动频率控制（AFC）模块。