调频干扰

噪声调频干扰对地面PD雷达目标探测能力的影响

Influence of Noise FM Jamming on The Target Detection Ability of Ground-based PD Radar

基于STFT和时变滤波的调频干扰抑制方法

FM Interference Suppression Based on STFT and Time-varying Filtering

基于Radon-STFT的DSSS系统线性调频干扰对消

LFM Interference Detection and Suppression Based on Radon-STFT in DSSS System

对于两个频基本重叠的窄带瞄准式噪声调频干扰源，提出了PRS跟踪两个干扰源中大功率源的方法。并提出了该方法对被动导引头接收机带宽的要求。

The method for PRS tracking the weaker source from dual sources is put forward .

仿真验证的干扰抑制算法包括：基于对消的噪声调频干扰抑制算法与基于LFM雷达Stretch处理的距离假目标干扰抑制算法。

Simulation of the jamming suppression algorithms include : noise frequency modulation ( FM ) jamming suppression algorithm based on the elimination of jamming , and a radar false targets suppression algorithm based on Stretch LFM treatment .

其中，调频干扰是一类常见的时变干扰，它包括线性（如LFM）时频结构和非线性（如SFM）时频结构两类。

Among them , frequency-modulation interference is a common type of time-varying interferences . It includes two categories : linear ( LFM ) time-frequency structure and nonlinear ( SFM ) time-frequency structure .

它也是首先在干扰抑制领域得到应用的分数阶变换，在时域对消、分数阶Fourier域抑制特殊的宽带干扰&线性调频干扰上都已经有相应的算法提出，但这些算法都存在着多种不足。

It also be the first one of the fractional transform in the interference suppression domain , there was algorithm of the time-domain elimination , the suppression of special broadband interference-linear frequency modulation interference in fractional Fourier domain . But this algorithm has some shortage .

该固态源已成功地应用于FM-CW雷达、微波散射计、噪声调频干扰信号源、捷变本振源等方面。

This oscillator has been successfully used in solid state FM-CW radar system , microwave scatterometer , FM-jamming stations and frequency-agile local oscillator .

在分析了Radon-Wigner变换的基础上，提出了局部化Radon-Wigner变换的LFM信号检测与参数估计方法；利用时频方法去除扩展频谱信号中的线性调频干扰

After the analysis of Radon-Wigner transform , the local Radon-Wigner transform method is proposed . Adaptive Time-Varying Cancellation of LFM Interference in Spread-Spectrum Communications Based on Radon-Wigner Transform

基于Δ调制编码对噪声调频干扰源的无源定位

Noise-frequency modulation jammer location in passive systems based on delta-modulation coding

被动单脉冲导引头对噪声调频干扰的角跟踪

Angle Tracking of Noise FM jammers for a Passive Monopulse Seeker

反辐射导引头对双噪声调频干扰源的角度分选

Direction-finding technology of two noise FM jamming for passive seeker

分数阶傅立叶变换的线性调频干扰抑制的改进算法

Analysis of an Improved Algorithm of Interference Suppressing to LFM Based on FRFT

基于包络滤波的舰载雷达抗噪声调频干扰研究

Research on shipboard radar anti noise frequency modulation jamming based on envelope filtering

基于分数阶傅立叶变换的伪码体制引信线性调频干扰抑制技术

LFM Interference Excision Technique in Pseudo-random Code Fuse Based on Fractional Fourier Transform

时频域子带线性调频干扰抑制算法

Time-Frequency Domain Interference Suppression Algorithm for Linear Frequency Modulation

伪码调相脉冲引信抗线性调频干扰分析与仿真

Performance Analysis and Simulation of Anti-LFM Interference of Pseudo-random Code and Pulse-doppler Combined Fuze

噪声调频干扰信号对直扩系统误码率影响的仿真分析

Simulation Analysis on the Influence of Noise FM Jamming Signals to BER of DSSS

基于时变滤波器的线性调频干扰抑制

LFM Interference Suppression Based on Time-variant Filter

某精密制造厂低频噪声对接触者听力损伤调查对噪声调频干扰源的站间到达时差测量

Investigation and analysis on the low frequency noise-induced hearing loss among workers of precision manufactory

讨论在多径环境下，被动雷达导引头对噪声调频干扰源的角度跟踪方法。

Methods of multipath jammer tracking with a passive radar seeker are presented in this paper .

基于平方变换原理的伪码引信中噪声调频干扰抑制方法

The Method of Excising Noise Frequency Modulation Interference for Pseudo-random Coded Fuze Based on Square Transformation

一种基于雷达视频波形的噪声调频干扰带宽辨识算法的研究

Research on a New Algorithm for Identification of Noise FM Jamming Band Width by Video Waveform of Radar

基于混沌时间序列的变电站设备温度预测对噪声调频干扰源的站间到达时差测量

Temperature Prediction for Substations Based on Chaotic Time Series Estimation of TDOA for Locating Noise-Frequency Modulation Jammer in Passive System

对噪声调频干扰源的站间到达时差测量用于脉冲多普勒雷达的调频/调幅噪声测试设备

Estimation of TDOA for Locating Noise-Frequency Modulation Jammer in Passive System FM / AM Noise Test Set for a Pulsed Radar

研究了被动雷达单脉冲导引头主波束内存在两噪声调频干扰源时，对两辐射源进行检测并作角估计的方法。

The methods of detection and angular estimation of two sources are studied for passive radar seeker in two jamming sources scenarios .

分析了线扫雷达在现有设备条件下对噪声调频干扰源的无源测向误差；

In this paper , passive direction finding errors of a linear scanning radar against a noise-frequency-modulation jamming source are analyzed on the existing equipment conditions ;

本文提出了一种基于雷达视频波形的噪声调频干扰带宽的辨识算法。并在地空导弹雷达制导站实地录取了干扰数据，用该算法进行了实验研究。

In this paper , a new algorithm for identification of noise FM jamming band width based on video waveform of radar is proposed and has been experimented .

通过对分数域线性调频干扰加窗特性的分析表明，干扰能量相对更集中。

The analysis of adding windows characteristics of linear frequency modulation interference in the domain of fractional Fourier transform shows that the energy of interference is relatively more concentrated .

噪声调频干扰属于压制式干扰，由于它容易达到宽的干扰带宽，已经成了目前噪声干扰的主要形式。

Noise frequency modulation ( FM ) jamming , which belongs to blanket jamming , is already become the main form of noise jamming at present , because the wideband was gained by it .