1.
Implementation of Intermediate Frequency Modem of Software Defined Radio Transmitter-receiver;
软件无线电台中频调制解调器的实现
2.
center frequency
中心频率未调制频率
3.
Stagger-tuned intermediate frequency amplifier
参差调谐中频放大器
4.
We have discovered that the signal freguency receivered driffes off and small in making up the receiver of882 F freguency modulation.
在882F调频接收机组装过程中发现,调频接收频率偏小。
5.
The Research of the Amplitude Modulation/Frequency Modulation in the Digital Halftoning Technology;
数字半色调技术中的调幅/调频方法的研究
6.
Spread spectrum communication using ASIC & IF differential demodulator
专用集成电路与中频差分解调实现扩频通信
7.
Research of RS Coding Interweaving Modulation and Frequency Hopping Pattern in Frequency Hopping Communications;
跳频通信中RS编码交织调制及跳频图样的研究
8.
Chirp-Z Transform and its Applications in Spectrum Analysis
线性调频Z变换在信号频谱分析中的应用
9.
The Fourth-Harmonic Mixer Used in Ka-Band Director Modulation
分谐波混频技术在Ka频段直接调制器中的应用
10.
Design of Spead-Spectrum Code and Carrier Frequency Modulation Circuit Simulation in the Spread Spectrum Communication System;
扩频通信系统中扩频码的产生和载频调制电路仿真
11.
Application of PLC and Transducer in Centralized Air-conditioning;
变频器和PLC在中央空调中的应用
12.
The Application of Frequency Converter in Center Air Condition System
变频器在舰船中央空调系统中的应用
13.
FM-FM system
调频-调频遥测系统
14.
therapeutic unit of sine modulated ultrasonic-medium frequency current synchronization
正弦调制超声、中频电同步治疗机
15.
Research on the Medium Frequency Power Supply in Airborne Radar;
机载雷达调试用中频静变电源的研究
16.
The Research of Aptitudinal Frequency Conversion Control System for Saving Electric Energy on Center Air-condition;
中央空调变频节能智能控制系统研究
17.
Design of Programmable Divider in Digital TV Tuner;
数字电视调谐器中可编程分频器设计
18.
Multi-CPFSK Demodulation Technology in Hopping Frequency Wireless Communication;
无线跳频通信中的多进制CPFSK解调技术