• An efficient algorithm for searching the peak of ambiguity function is proposed in the report.

    再提交了一种搜索宽带模糊函数峰值高效算法

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  • Then based on the features of ambiguity function of a LFM signal, a new adaptive kernel is proposed.

    同时,基于LF M信号模糊特征提出了一种新的自适应函数

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  • The average ambiguity function of the random multielement code PPM pulse sequence is developed and analyzed.

    推导分析了随机多元PPM脉冲序列平均模糊函数

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  • The multi-period ambiguity function of LFMCW radar signal is given, and compared with single-period ambiguity function.

    给出了LFMCW雷达信号多周期模糊函数与单周期信号进行了比较

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  • It is complicated to compute ambiguity function of frequency hop code signal and difficult to draw the ambiguity figure.

    编码脉冲雷达信号模糊函数计算十分复杂,模糊图绘制非常困难

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  • It is very complicated to compute ambiguity function of frequency hopping coded signal and difficult of draw the ambiguity figure.

    编码脉冲雷达信号模糊函数计算十分复杂,模糊绘制非常困难

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  • The imaging geometric model of distributed satellites SAR is presented and the ambiguity function of distributed satellites SAR is analyzed.

    建立了分布式SAR卫星成像空间几何模型分析了分布式小卫星SAR的模糊函数

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  • The expression of its ambiguity function is firstly presented , the main derived method is also given, simulation results are analyzed at last.

    首次给出随机序列模糊函数数学表达式,对其推导过程所采用主要方法作了叙述,并对结果进行了分析。

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  • Firstly the characteristics of complementary codes and their construction methods are introduced, and then their ambiguity function is derived.

    本文首先概述互补特性及其构造方法推导了互补码信号的模糊函数

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  • An exponential attenuation model of main peak about white noise's ambiguity function is analyzed, and the numerical formula of the model is deduced.

    分析适用于模糊区与近似清晰区的白噪声模糊函数中心主峰附近指数衰减模型推导了模型参数数值计算公式

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  • The ambiguity function of step frequency coded signal is discussed. An up-down step frequency coded signal waveform is designed with its processing method.

    本文讨论频率编码信号模糊函数,提出了一种正负步进频率编码信号及其处理方法

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  • Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with wideband Ambiguity Function.

    宽带模糊度函数为工具定性地分析了典型宽带信号即调频信号频率分集信号。

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  • If want get a precision result of main ridge slice of ambiguity function, it requires huge computational complexity, so it is disadvantage to practical application.

    但是在分数域上,要提取所精度模糊函数切面,则其计算很大不利于实际应用。

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  • This paper based on ambiguity function theory analyzes the cause of cross-components and gives the optimization algorithm of adaptive TFD with radially-gaussian kernel.

    文中模糊函数理论为基础,分析了时分析产生交叉原因给出了以径向高斯函数为核函数的自适应时频分析优化算法

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  • 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.

    阐明斜率线性调频连续信号脉冲LFM信号模糊函数区别

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  • Firstly, this thesis introduces correlative information, such as radar theory, modulation, matching filter, ambiguity function, in the domain of processing of radar signals.

    本文先介绍了雷达基本工作原理以及调制匹配滤波模糊函数雷达信号分析相关知识

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  • 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二相码组合而成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。

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  • 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.

    理论分析计算机模拟该类信号模糊函数(图),距离分辨率速度分辨率和截获性能。

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  • In traditional pulse medical ultrasonic imaging system, the ambiguity function has periodic distance ambiguity and velocity ambiguity, this affects the image quality and resolution.

    传统脉冲式医用超声成像系统模糊函数由于存在周期性的速度模糊距离模糊,影响图像质量和分辨力。

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  • A new method for passive radar MTD based on fractional correlation is presented by introducing the fractional correlation into the computation of the cross-ambiguity function (CAF).

    本文将分数相关引入到互模糊函数计算中,提出基于分数阶相关的无源雷达动目标检测方法

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  • 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.

    本文结合新型体制内调频间步进跳雷达分析推导了该信号形式模糊函数

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  • 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、对比调频信号、模拟电视信号、数字电视信号模糊函数特点,并针对数字电视信号,分析研究了外辐射源雷达系统关键技术

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  • 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.

    因此交叉模糊度函数信号分数相关表面形式信号与表面观察的角度有关

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  • 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.

    本文平均模糊函数定义出发,推导了随机脉位调制脉冲多普勒雷达信号平均模糊函数解析表达式

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  • 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、多周期信号理论多普勒分辨率时延分辨率

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  • This paper analyzes a kind of chaotic modulation signals, the phase-modulated radar signals are generated by chaotic signals, at the same time the ambiguity function of the coded signals is given.

    本文研究一类混沌编码信号,利用混沌信号进行雷达信号相位编码,并且计算了类编码信号模糊函数

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  • The expression of its ambiguity function is firstly presented, the block diagram of the system is given, the working principle, mathematical model and its performances of anti-jamming are analyzed.

    首次给出随机序列模糊函数数学表达式给出系统原理框图分析了其工作原理和数学模型,研究了抗干扰特性

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  • A general analytic expression of light intensity distribution at the observation plane is obtained by means of ambiguity function method. Some special cases are discussed and verified by experiments.

    运用模糊函数方法给出系统观察面上一个更为普遍分布数学表达式,分析讨论一些特殊情况相应的实验结果。

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  • In an ideal world, where specifications contain no optionality or ambiguity, a profile would be just a list of specs that compose together to achieve a given function.

    理想情况下,规范没有可选性多义性概要应该实现给定功能组合到一起规范列表

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  • This paper deals with the structure ambiguity problem by using a combined probability evaluation function, which employs the sentence structure features and context information during English parsing.

    使用一种组合型概率评价函数解决英语句法分析过程中面临结构歧义问题综合考虑句法分析时的结构特性上下文信息

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