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)。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
介绍了一种零中频直接序列扩频 (DSSS)数字接收机的自动频率控制 (AFC)算法及其仿真和实现。
It comprises decimation filter,digital phase locked loop (DPLL),bit timing recovery and automatic frequency control (AFC).
解调器采用一种新颖的全数字方案,包括抽取滤波器、数字锁相环(DPLL)、位时钟恢复和自动频率控制(AFC)等部分,可用于频移键控信号的解调。
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。
Acquisition of PN code and its tracking algorithm, carrier demodulation and automatic frequency control(AFC) were described.
给出了PN码捕获及跟踪、载波解调和自动频率控制算法 ,最后给出系统性能仿真分析 。
The principle of automatic frequency control(AFC) of WCDMA system has been analysed,and the emphasis is to simulate AFC algorithm.
分析了WCDMA系统基带信号处理自动频率控制(AFC)的原理,重点对延时共扼相乘的AFC算法进行仿真,结果表明信噪比和衰落状况是AFC算法性能的重要影响因素。
automatic frequency control
自动频率控制自动频率调整
automatic frequency control transformer
自动频率调整变压器
radar AFC circuit
雷达自动频率控制电路
horizontal AFC circuit
行自动频率微调电路
automatic frequency control generator
自动频率控制振荡器
automatic frequency control receiver
自动频率控制接收机
pulse width type AFC circuit
脉宽式自动频率控制电路
Calling a registered frequency when the Automatic Frequency Selection function is not used . This example calls a frequency channel 01.
不使用自动频率选择功能时，调出已登记的频率。该例调出01频道的频率。
This FD method can be used for AFC of the coherent-on-receive system.
这种频率鉴别方法可以用在接收相参系统中的自动频率微调。
Study on the Behavior of the Piezoelectric Transducer around Its Parallel Resonant Frequency and Automatic Frequency Tracing;
压电换能器在并联谐振频率附近的特性及自动频率跟踪的研究
relative frequency approach to automatic indexing
自动标引的相对频率法
under frequency load shedding
低频率自动负载减少
automatic recording frequency analyser
自动记录频率分析器
The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion.
系泊船舶的水平慢漂运动的自然频率远低于一阶运动的自然频率。
The Frequency Calculation and Dynamic Frequency Test of Interlocked Long Blade;
整圈自锁长叶片共振频率计算与动频试验
automatic source-locking microwave frequency counter
自动微波锁相频率计数器
The rings resonate at more than one frequency each.
这些环状物各自有不同的振动频率。
A RF Power Auto-Calibration System Based on LH79520
基于LH79520的射频功率自动校准系统设计