In this paper, the features of signal ambiguity function for FM, TV and DTV are listed and analyzed. The key techniques of passive radar system based on DTV signal are studied and analyzed.
分析、对比了调频信号、模拟电视信号、数字电视信号模糊函数的的特点,并针对数字电视信号,分析和研究了外辐射源雷达系统的关键技术。
The radar system structure and signal model are firstly developed, then the detection range and signal ambiguity are analyzed, and finally computer simulations are used to evaluate the performances.
首先论述了雷达系统结构和信号模型,然后分析了雷达探测距离和信号的模糊函数特性,最后计算机仿真了GPS雷达信号的性能。
According to a new type of mixed pulse compression signal, this paper discusses the mathematical expression, the way of processing and the expression of the ambiguity function.
提出一种由线性调频与二相码组合而成的新型混合脉冲信号,给出了其数学表达式、处理方法及其模糊函数的表达式。
Signal which prevents accidental operation by spurious signals or avoids possible ambiguity .
防止假信号的意外作用或者避免二义性而设置的信号。
Theoretical analysis and simulation results are given to show the ambiguity function, the distance resolution, the velocity resolution, the intercept factor of the hybrid signal.
理论分析了和计算机模拟了该类信号的模糊函数(图),距离分辨率、速度分辨率和低截获性能。
Then based on the features of ambiguity function of a LFM signal, a new adaptive kernel is proposed.
同时,基于LF M信号的模糊域特征,提出了一种新的自适应核函数。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
本文从平均模糊函数的定义出发,推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with wideband Ambiguity Function.
以宽带模糊度函数为工具定性地分析了两类典型宽带信号,即调频信号和频率分集信号。
It is very complicated to compute ambiguity function of frequency hopping coded signal and difficult of draw the ambiguity figure.
跳频编码脉冲雷达信号模糊函数的计算十分复杂,模糊图绘制非常困难。
The differences between the ambiguity function of STMFCW signal and single slope linear frequency modulation continuous wave signal and pulse LFM signal are also discussed.
阐明了它与单斜率线性调频连续波信号和脉冲LFM信号模糊函数的区别;
By analyzing ambiguity function expressions, this paper resolves theoretic Doppler signal resolutions and delay resolutions of single-period and multi-period symmetrical triangle LFMCW signals.
通过分析模糊函数表达式,得到了单、多周期信号的理论多普勒分辨率与时延分辨率。
The multi-period ambiguity function of LFMCW radar signal is given, and compared with single-period ambiguity function.
给出了LFMCW雷达信号的多周期模糊函数,并与单周期信号进行了比较。
The ambiguity function of step frequency coded signal is discussed. An up-down step frequency coded signal waveform is designed with its processing method.
本文讨论了步进频率编码信号的模糊函数,提出了一种正负步进频率编码信号及其处理方法。
This thesis discusses the signal processing methods of Pulse Doppler (PD) weather radar, mainly studying Spectral Moments (SM) estimators and Range-Velocity (RV) ambiguity resolution methods.
本文讨论的是脉冲多普勒气象雷达信号处理技术,重点研究了谱矩估计和解模糊算法。
It is complicated to compute ambiguity function of frequency hop code signal and difficult to draw the ambiguity figure.
跳频编码脉冲雷达信号模糊函数的计算十分复杂,模糊图绘制非常困难。
Thus, the 2-dimension cross ambiguity function is a surface form of fractional correlation for 1-dimension signals, each signal is associated with the Angle of observation over the surface.
因此,二维交叉模糊度函数是一维信号分数相关的表面形式,每一信号都与表面观察的角度有关。
These results show that such phase distributions will cause the gain of synthetic array and the signal to ambiguity ratio of Doppler-delay response to be decreased.
计算表明,它不仅会使综合阵列增益降低,而且会使多普勒-时延响应的信号-模糊比下降。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达,分析推导了该信号形式的模糊函数。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达,分析推导了该信号形式的模糊函数。
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