鉴频器

装置采用有源鉴频器、接收导频独选方式，提高装置的安全可靠性；

Active frequency discriminator and Protected-guard frequency are used to improve the security of the system .

GPS信号跟踪算法主要包括载波的四象限鉴频器算法、载波频率锁定环和码的延迟锁定环算法。

The GPS signal tracking algorithm includes a 4-quadrant frequency discriminator of the carrier , an FLL of carrier and a DLL of the code .

RC桥式相位鉴频器的性能分析

Capacity analysis of RC bridge phase discriminator

所设计的脉冲调制鉴频器在-20～70°C温度范围内鉴频输出电压变化小于5%。

The pulse modulated discriminator has an output voltage variation less than 5 % in the temperature range from - 20 ° C to 70 (° C. )

设计差分脉冲计数式鉴频器，降低了延迟环ADC功耗。

A differential pulse counting discriminator also helps decrease the power consumption of the ring-ADC .

给出了一种利用最大后验概率估计（MAP）方法来估计调制相位，进而得到FM解调输出的数字鉴频器。

This paper proposes a method based on MAP to estimate modulating phase , and then a FM demodulator can be gotten .

然后描述了大气与激光的相互作用、测风激光雷达原理以及检测方法等，并分别讨论了F-P鉴频器和碘分子鉴频器的原理。

Then the interaction of atmosphere and laser , principle of wind lidar and its detection methods are described . And Theory of F-P and iodine filter is discussed respectively .

然后，介绍了复杂可编程逻辑器件（CPLD）芯片的原理和它的发展状况，提出采用CPLD芯片做成全数字鉴频器，进行单脉冲激光外差频率鉴频的思路。

Then it introduces the principle of the CPLD chip and its development , and presents the idea of designing an all digital discriminator which can be applied to discriminating frequency in an optical pulse heterodyne by using a CPLD chip .

本文介绍了一种射频频率捷变信号发生器的设计方案和工作原理，讨论了模拟相位内插（API）、延时鉴频器、锁频环、单环频率合成和频率快速跳变等关键技术。

In this paper , the design and principle of a agile RF signal generator is introduced , and the key techniques including the API , delay line discriminator , frequency locked loop , frequency synthesis of single loop , frequency fast hop etc. are discussed .

PTY-8接收机鉴频器改造

Reformation of frequency discriminator of Pty 8 receiver

本文简述了改制后的PTY－8鉴频器各部分的工作原理及其主要技术指标，给出了仪器标定和试验结果，并介绍了其与原PTY－8鉴频器相比所具有的优越性。

This paper presents the main technological indicator and working principle of the new instrument , the results of instrument calibration and test , and the advantage over the old instrument .

微分控制锁相环鉴频器的根轨迹分析

The Root Locus Analysis of Differential Controlled Phase Locked Loop Discriminator

耦合回路相位鉴频器鉴频曲线的推导

Deduction of the frequency discrimination curve of coupling loop phase discriminator

A-D-A型数字鉴频器的输入电路和抗干扰措施

Input Circuit and Anti-Interference Measures of A-D-A Type Digital Frequency Discriminator

延迟线鉴频器调频噪声测量系统及其应用

FM Noise Measurement System Using Delay Line Discriminator and Its Applications

FM/FM遥测系统数字鉴频器的研究

Study of Digital FM Demodulator of FM / FM Telemetry System

车载直接探测多普勒测风激光雷达光学鉴频器

Optical Frequency Discriminator of a Mobile Direct-Detection Doppler Wind Lidar

相位型晶体鉴频器理论与实验

Theory and Experiments of Phase - Type Crystal - Discriminator

相位鉴频器鉴频特性的研究

Study of Discriminated - frequency Property on Phase Discriminator

数字鉴频器的原理与应用

The Principle and Application of Digital Frequency Discriminator

高精度微波鉴频器的分析与设计

Analysis and Design of High Precision Microwave Discriminator

锁相鉴频器混沌现象的研究

Study of chaotic phenomena of phase-locked frequency detector

差分峰值鉴频器特性分析

The Analysis of Peak Difference FM-Detector 's Character

雷达接收机相位鉴频器的设计

Design of Phase Detection Discriminator in Radar Receiver

本文较详细地分析了鉴频器用移相网络的特性和集成化难易点。

The characteristics and possibility of integration of phase - shift - networks are introduced .

乘积型相位鉴频器的深入分析

The Thorough Analysis of the Quadrature Detector

一种脉冲调制信号鉴频器的设计

A Frequency Discriminator for Pulse Modulation Signals

本文介绍了相位型晶体鉴频器的分析、设计以及它的实验结果。

This paper presents the analysis and design method of phase-type crystal-discriminator and experimental results .

微波鉴频器是电子对抗中瞬时测频接收机的组成部分，用于对接收机的信号直接鉴频。

The microwave discriminator is a part of transient frequency measuring receiver in electronic confrontation .

电视机中比例鉴频器的研究

Research on symmetrical ratio detector in TV