跳频

航空HF电台测试系统跳频信号源的实现吊舱式航空电磁系统

Implementation to the signal generator of frequency hopping for the test system of an airborne HF station

基于Logistic映射，提出了一种产生混沌跳频序列的新方法。

A novel method to generate chaotic frequency hopping ( FH ) sequences was proposed on the basis of the Logistic map .

生成跳频射频源的技术，就是直接数字式频率合成技术，技术简称DDS（DirectDigitalFrequencysynthesizer）技术。

This technology is DDS ( Direct Digital Frequency Synthesizer ) .

基于可逆整型哈希函数的差分跳频G函数算法

Differential Frequency Hopping G Function Algorithm Based on Reversible Integer Hash Function

基于G函数的跳频码发生器的实现

Implementation of FH Code Generator Based on G Function

基于高速DSP的跳频通信系统设计

Design of Frequency Hopping Communication System Based on High-speed DSP

短波混沌跳频码的FPGA实现

FPGA realization of the HF chaotic frequency - hopping code

超短波跳频电台同步系统的FPGA实现

Application of FPGA in Synchronous System of Ultra-Shortwave Hop-Frequency Transceiver

多用户OFDM系统中分组跳频算法及性能分析

Group Frequency Hopping Algorithm and Performance Analysis for Multi-User OFDM System

在FPGA上综合的结果说明，该算法是一个便于芯片实现的、可实用的跳频码发生器方案。

The chip scheme is also realized in FPGA and may be used easily .

混沌跳频序列发生器的FPGA实现

FPGA Realization of a Chaotic FH Sequence Generator

基于Logistic映射的跳频序列优化

Improvement of frequency hopping sequences based on Logistic map

基于RS码跳频序列的一种编写方法与实现

A design and its realization based on RS frequency hopping sequence

OFDM在跳频通信系统中的同步问题研究

The Synchronization Problem Research of OFDM in FH Communication System

论文对基于连续相位调制（ContinuousPhaseModulation）的自适应跳频信道质量估计进行了研究。

This paper mainly focuses on channel estimation of adaptive frequency hopping communication based on CPM ( Continuous Phase Modulation ) .

结合RS码自身的特点并根据当前的技术条件，实现了简易有效的跳频同步方案；

Effective synchronization is achieved based on the characteristics of Reed-Solomon code ;

基于Turbo编码和二进制脉冲位置调制的快跳频光码分多址系统

Turbo-Coded Optical Fast Frequency-Hopping CDMA System Based on Binary PPM Modulation

一种新的混沌宽间隔跳频序列的构造方法及其Matlab仿真分析

A New Method for Generating Chaotic FH Sequences with Given Minimum Gap and Their Performance Analysis with Matlab

FFT解调的短波跳频系统自适应实时信道估值

Adaptive real-time channel estimation based on FFT demodulation in SW frequency-hopping system

基于FFT的快速跳频同步信号存在性检测

FFT-based Detection of Existence of Synchronization Signal for FFH System

水声跳频通信系统中Turbo性能研究

Performance of Turbo Code in Frequency Hopping Communication Systems

在介绍G函数算法原理的基础上，分析了G函数跳频图案的性能，并对其进行了检验。

The performance of G function FH pattern is analyzed and tested based on introducing the principle of G function arithmetic .

关于Bluetooth跳频序列的研究

The Study of Hop Frequency Sequence in Bluetooth

基于DDS的宽带快速跳频频率合成器的设计

A Wideband Frequency Synthesizer for Fast Hopping Based on DDS

基于DDS的短波差分跳频频率合成器的研究与设计

Research and Design of Differential Frequency Hopping HF Synthesizer Based on DDS

跳频通信中变通带锁相环路（PLL）的研究

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

短波跳频系统中分组Turbo码在阻塞干扰下的性能分析

Performance analysis of block turbo code in short wave FH system with the barrage jamming

具有截短特性的DDS跳频频率合成器的分析

The Performance Analysis of DDS Frequency-Hopping Synthesizer with Truncation Properties of ROM Address

用DDS实现快速跳频频综

Realization of Quick Frequency Hopping Synthesizer by DDS

用DES算法构造跳频码序列发生器的实现研究

Implementation of Hopping Code Generator Using DES Algorithm