The computing method of power spectrum of gauss white noise was studied and the computing equation of noise FM jamming band was obtained.
給出了統(tǒng)一的調(diào)頻干擾時域數(shù)學(xué)模型和頻域數(shù)學(xué)模型,推導(dǎo)了均勻分布的高斯白噪聲調(diào)頻信號干擾的功率譜函數(shù)計算方法,得出了噪聲調(diào)頻信號的干擾帶寬計算公式。
Wide band barrage jamming noise is transformed form Baseband noise,which is added to VCO,by the method of noise FM.
基帶噪聲加到VCO上,采用噪聲調(diào)頻的方式得到較寬頻帶的阻塞干擾噪聲,噪聲頻譜的中心位置由加到VCO上的直流偏壓大小來控制。
In this paper,the performance of the noise FM jamming signals is analyzed.
分析了噪聲調(diào)頻干擾信號的性能,建立了干擾系統(tǒng)和噪聲調(diào)頻干擾信號的仿真模型,仿真出不同干擾頻率和不同干擾帶寬下噪聲調(diào)頻干擾信號對直擴系統(tǒng)影響的誤碼率曲線,結(jié)果證明了設(shè)計的噪聲調(diào)頻干擾模型能夠有效的干擾擴頻通信系統(tǒng)。
A method of FM noise measurement is introduced.
分析了一種微波源調(diào)頻噪聲測量方法的原理。
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.
利用噪聲信號作為發(fā)射信號進行目標(biāo)探測具有低截獲概率、信號特征不明顯、對輻射信號要求不高等一系列優(yōu)點,因此受到了廣泛的重視,本文以噪聲調(diào)頻信號為例,通過數(shù)學(xué)推導(dǎo)和仿真對噪聲調(diào)頻信號的自相關(guān)特性進行了深入的分析。
Analysis of Performance on Anti-FM Noise Jamming of WBDF Circuits
寬-限-窄電路抗噪聲調(diào)頻干擾能力分析
Noise-frequency modulation jammer location in passive systems based on delta-modulation coding
基于Δ調(diào)制編碼對噪聲調(diào)頻干擾源的無源定位
Performance research on anti-noise FM jamming of pseudo-random code phase modulation and sine FM combined fuze
偽碼調(diào)相與正弦調(diào)頻復(fù)合引信抗噪聲調(diào)頻干擾性能研究
Research on shipboard radar anti noise frequency modulation jamming based on envelope filtering
基于包絡(luò)濾波的艦載雷達(dá)抗噪聲調(diào)頻干擾研究
Space Target Detection Performance Analysis of Noise FMCW Radar
噪聲調(diào)頻連續(xù)波雷達(dá)空間目標(biāo)探測性能分析
Digital hardware implementation of broadband noise FM signal generator system
寬帶噪聲調(diào)頻信號產(chǎn)生系統(tǒng)的數(shù)字化硬件實現(xiàn)
Estimation of TDOA for Locating Noise-Frequency Modulation Jammer in Passive System
對噪聲調(diào)頻干擾源的站間到達(dá)時差測量
Research on a New Algorithm for Identification of Noise FM Jamming Band Width by Video Waveform of Radar
一種基于雷達(dá)視頻波形的噪聲調(diào)頻干擾帶寬辨識算法的研究
Simulation Analysis on the Influence of Noise FM Jamming Signals to BER of DSSS
噪聲調(diào)頻干擾信號對直擴系統(tǒng)誤碼率影響的仿真分析
Influence of Noise FM Jamming on The Target Detection Ability of Ground-based PD Radar
噪聲調(diào)頻干擾對地面PD雷達(dá)目標(biāo)探測能力的影響
frequency modulation noise level on carrier
載波的調(diào)頻噪聲電平
A STUDY OF THE SPIKES FOR AN FM SYSTEM--A NEW NOISE MODEL
調(diào)頻接收尖峰噪聲的研究——一種新的噪聲模型
FM Noise Measurement System Using Delay Line Discriminator and Its Applications
延遲線鑒頻器調(diào)頻噪聲測量系統(tǒng)及其應(yīng)用
FM/AM Noise Test Set for a Pulsed Radar
用于脈沖多普勒雷達(dá)的調(diào)頻/調(diào)幅噪聲測試設(shè)備
FM and AM noise of the oscillator is one of the important specifications.
振蕩源的調(diào)頻調(diào)幅噪聲是一項重要的技術(shù)指標(biāo).
Simulation of Jamming from Different Noises to Linear Frequency Modulation Pulse Compression Radar
不同噪聲對線性調(diào)頻脈沖壓縮雷達(dá)的干擾仿真
Investigation and analysis on the low frequency noise-induced hearing loss among workers of precision manufactory
某精密制造廠低頻噪聲對接觸者聽力損傷調(diào)查
transistor low-frequency noise-meter
晶體管低頻噪聲測試儀