frequency hopping

Study of frequency hopping system based on wavelet spread spectrum codes;

基于小波映射跳频码的跳频系统性能研究

Adaptive spectral estimation based acquisition for frequency hopping signals;

基于自适应谱估计的跳频捕获技术

Design of fast frequency hopping device of locating communication system under mine;

矿井定位通信系统快速跳频器的设计

Comparison of two underwater acoustic frequency-hopping communication schemes under low sound energy condition;

低声能辐射下的两种水声跳频通信方法对比研究

Implementation of the radar frequency-hopping system by applying DSP chip to control AD9833;

基于DSP芯片控制AD9833实现雷达跳频系统

The Synchronization Problem Research of OFDM in FH Communication System;

OFDM在跳频通信系统中的同步问题研究

Research of Changeable Frequency-Band PLL in Frequency Hopping (FH) Communication;

跳频通信中变通带锁相环路(PLL)的研究

A Concatenated Correct Code Scheme of Underwater Communication System Based on OFDM and FH;

一种多载波跳频水声通信系统的级联码方案

The paper presents a new radar system based on Frequency Modulated Interrupting Continuous Wave(FMICW) by exploiting the hopping frequency technique to improve the capability of HFGWR.

为提高高频地波雷达的抗干扰能力,提出了一种在线性调频中断连续波的基础上基于跳频技术的新高频地波雷达体制。

The result of the measurement is as follows: the spurious is less than-80 dBc,the time of hopping frequency is less than 100ns.

介绍了AD公司的高性能DDS芯片AD9956的基本原理和主要性能,并运用其设计了一个快速跳频的频率合成器。

The wide-band frequency scan algorithm, hopping frequency searching algorithm, special signal fast searching algorithm, modulation recognition and digital demodulation algorithm .

同时研究了基于基带解析信号的宽频带扫描算法、跳频集搜索算法、特定信号快速搜索算法、调制方式识别和数字解调算法等 ,并在该平台上实现了这些算法。

Study of error correction code technology apply to mobile multimedia transmission based on frequency-hop WLAN;

基于跳频WLAN的移动多媒体传输纠错码技术研究

Design of Frequency Hopping Synthesizer in Frequency Hopping Transceiver

跳频收发系统中的跳频频率合成器设计

frequency hopping code division multiple access demodulator

跳频码分多址解调器

Hardware design of center control unit and frequency hopping unit for FH radio

跳频电台中央控制单元及跳频单元的硬件设计

Frequency Hopping Sequences by Chaotic Maps for FH/CDMA Communications

用于跳频码分多址通信的混沌跳频序列

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

Study and Design of Pseudo-coincidence Frequency Hopping Pattern;

跳频系统中跳频图案的生成方法和性能分析

Analysis and Simulation of Frenquency Hopping Communication System Based on No-Hit-Zone Code;

基于无碰撞区跳频码的跳频通信系统仿真分析

Analysis of Anti-jamming Ability of DS/FH Systems

跳频/扩频电子系统抗干扰性能分析

Research and Design of Frequency Hopping Synthesizer Based on DDS;

基于DDS的跳频频率合成器研究与实现

Design of Frequency Synthesizer for Shortwave Band Frequency Hopping Based on DSP

基于DSP的短波跳频频率合成器的设计

A Prediction Method of FH Frequency based on Degree of Incidence

一种基于关联度的跳频频率预测方法

Telemetry Performance Analysis of DS/FH Hybrid Spread Spectrum Signal

直扩/跳频混合扩频信号测量性能分析

Analysis and realization of wide-band frequency synthesizer in hopping communications

跳频通信宽频段频率合成器的分析与实现

Generating Chaotic Frequency Hopping Sequences and Its Applications in Frequency Hopping Communication;

混沌跳频序列的产生及其在跳频通信系统中的应用

NHZ FH Sequence Design and System Simulation Investigation;

无碰撞区跳频序列设计及其跳频通信系统仿真研究

Study on Adaptive Frequency Hopping System Based on Periodic NHZ Hopping Code

基于周期无碰撞区跳频序列的自适应跳频系统研究

Frequency-hopping spread spectrum (FHSS) was developed by the military for secure communications.

跳频扩频（FHSS）是由军方为保密通信开发的。

The Influence to the FH System Caused by Phase Noise of Frequency Synthesizer

频率合成器相位噪声对跳频通信系统的影响