frequency-modulation noise是什么意思

网络释义

用法例句

The computing method of power spectrum of gauss white noise was studied and the computing equation of noise FM jamming band was obtained.

给出了统一的调频干扰时域数学模型和频域数学模型,推导了均匀分布的高斯白噪声调频信号干扰的功率谱函数计算方法,得出了噪声调频信号的干扰带宽计算公式。

Wide band barrage jamming noise is transformed form Baseband noise,which is added to VCO,by the method of noise FM.

基带噪声加到VCO上,采用噪声调频的方式得到较宽频带的阻塞干扰噪声,噪声频谱的中心位置由加到VCO上的直流偏压大小来控制。

In this paper,the performance of the noise FM jamming signals is analyzed.

分析了噪声调频干扰信号的性能,建立了干扰系统和噪声调频干扰信号的仿真模型,仿真出不同干扰频率和不同干扰带宽下噪声调频干扰信号对直扩系统影响的误码率曲线,结果证明了设计的噪声调频干扰模型能够有效的干扰扩频通信系统。

A method of FM noise measurement is introduced.

分析了一种微波源调频噪声测量方法的原理。

Using noise frequency modulation signal as transmit signal to do target detection has a lot of advantage such as LPI,not having distinct signal characteristics and having little requirement to transmit signal,so this technology is being paid much attention widely.

利用噪声信号作为发射信号进行目标探测具有低截获概率、信号特征不明显、对辐射信号要求不高等一系列优点,因此受到了广泛的重视,本文以噪声调频信号为例,通过数学推导和仿真对噪声调频信号的自相关特性进行了深入的分析。

Analysis of Performance on Anti-FM Noise Jamming of WBDF Circuits

宽-限-窄电路抗噪声调频干扰能力分析

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

基于Δ调制编码对噪声调频干扰源的无源定位

Performance research on anti-noise FM jamming of pseudo-random code phase modulation and sine FM combined fuze

伪码调相与正弦调频复合引信抗噪声调频干扰性能研究

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

基于包络滤波的舰载雷达抗噪声调频干扰研究

Space Target Detection Performance Analysis of Noise FMCW Radar

噪声调频连续波雷达空间目标探测性能分析

Digital hardware implementation of broadband noise FM signal generator system

宽带噪声调频信号产生系统的数字化硬件实现

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

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

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

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

噪声调频干扰信号对直扩系统误码率影响的仿真分析

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

噪声调频干扰对地面PD雷达目标探测能力的影响

frequency modulation noise level on carrier

载波的调频噪声电平

A STUDY OF THE SPIKES FOR AN FM SYSTEM--A NEW NOISE MODEL

调频接收尖峰噪声的研究——一种新的噪声模型

FM Noise Measurement System Using Delay Line Discriminator and Its Applications

延迟线鉴频器调频噪声测量系统及其应用

FM/AM Noise Test Set for a Pulsed Radar

用于脉冲多普勒雷达的调频/调幅噪声测试设备

FM and AM noise of the oscillator is one of the important specifications.

振荡源的调频调幅噪声是一项重要的技术指标.

Simulation of Jamming from Different Noises to Linear Frequency Modulation Pulse Compression Radar

不同噪声对线性调频脉冲压缩雷达的干扰仿真

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

某精密制造厂低频噪声对接触者听力损伤调查

transistor low-frequency noise-meter

晶体管低频噪声测试仪