lfm

  • 网络线性调频(linear frequency modulation);线性调频信号;linear frequency modulated

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lfm

线性调频(linear frequency modulation)

线性调频信号的脉冲压缩线性调频LFM)信号是一种瞬时频率随时间呈线性变化的信号。零中频线调频信号u(t)可表示为:u(t)…

线性调频信号

目的:观察线性调频信号LFM)经过匹配滤波后,信噪比改善情况思路:用信号和噪声分别通过匹配滤波器,改善的倍数应 …

linear frequency modulated

针对常用LFM(linear frequency modulated)信号DOA(direction of arrival)估计算法采样数据量大,在低信噪比情况下估计效果不理 …

1
LFM Fuze with its characteristics of high precision and strong anti-interference ability is suitable for detection close distance. 线性调频引信具有测距精度高、抗干扰能力强等特点,适合于近距离探测。
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Sloan LFM students with an interest in Information Systems are encouraged to register for this course. 鼓励对信息系统感兴趣的斯隆管理学院LFM学生选修本课程。
3
The support vector clustering(SVC)algorithm was introduced to detect linear modulation frequency(LFM) signal and estimate its parameter. 文中引入支持向量聚类(SVC)算法对多分量LFM信号进行检测和参数估计。
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The simulation of generating Linear Frequency Modulation (LFM) pulse-compression target signals for radar with FPGA is presented. 本课题主要研究利用FPGA实现线性调频脉冲压缩雷达目标信号的模拟。
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Finally, the thesis used the ADS software to simulate the LFM Fuze system and gave the principle diagram of the LFM Fuze's RF circuit. 最后利用ADS对线性调频引信进行系统仿真,并给出了线性调频定距引信射频前端原理设计框图。
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Aimed at wide-band linear frequency modulation(LFM) radar, a method of image deception signal generation was put forward. 针对宽带线性调频体制雷达,介绍了一种图像欺骗干扰信号的实现方法。
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The Linear Frequency Modulated(LFM) signal is a popular pulse compression radar signal. 线性调频信号是雷达中常采用的一种脉冲压缩信号。
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This paper applies the LFM technology to the detecting and reduces the blind zone effectively. 本文将线性调频技术应用到超声波液位检测中,有效地缩小了盲区的范围。
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This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal. 该文在基于子阵和发射为线性调频信号的前提下,提出一种宽带子阵数字波束形成方法。
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Subsequently, we apply the proposed algorithm to estimate the parameters of the multi-component LFMs. 最后,将该算法应用到多分量LFM信号的参数估计之中。
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The LFM signal has a high resolution of range and speed, as well as low probability of intercept. LFM信号具有更高的距离、速度分辨率,以及耋簟的低截获概率特性。
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In December 2003, the company raised GP500, 000 from London Fund Managers (LFM) and angel investors. 年12月,公司又从伦敦基金管理公司和天使投资者那里筹到50万英镑的投资。
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The modulation parameter estimation of LFM signal and MPSK signal was studied. 研究了线性调频信号、相位编码信号的调制参数识别问题。
14
A new algorithm is proposed for radar echo cancelling based on the group delay of the LFM (Linear Frequency Modulated) signal. 根据线性调频(LFM)信号群延迟特性,提出了一种针对LFM雷达的回波对消干扰算法。
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Linear frequency modulation (LFM) interferences may be a kind of preferred wideband interferences in spread-spectrum. 线性调频(LFM)是扩频系统中常见的一种宽带干扰样式。
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By analyzing the LFM signal in colored noise, a cross spectral ESPRIT method based on quadratic form transformation was proposed. 对色噪声背景下LFM信号(线性调频信号)进行了分析,提出了一种基于二次型变换的互谱ESPRIT方法。
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In this paper, the development of LFM and its growth technique and mechanism, and its nonlinear optical characteristics were introduced. 本文较全面地介绍了一水甲酸锂晶体的发展、生长技术、生长机理及其非线性光学性能。
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The contribution of curriculum development funds in 1997 by LFM is gratefully acknowledged. 感谢1997年LFM提供的全校课程发展基金的贡献。
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This paper based on LFM pulse radar, does research on radar echo simulation and processing. 本文主要工作分为三部分:雷达回波模拟、雷达信号处理和雷达数据处理。
20
In order to counter the LFM pulse compression radar, one smart noise jamming realization method based on convolution modulation is proposed. 为有效干扰线性调频脉冲压缩雷达,提出了一种基于卷积调制的灵巧噪声干扰实现方法。
21
Cumulative Normalization Algorithm to LFM Echo Detection of Underwater Moving Target Under Reverberation Noise Background 基于水下动目标LFM回波检测的累积归一化算法
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Sinusoidal weighted frequency modulation jamming technique countering LFM radar 对线性调频雷达的正弦加权调频干扰技术
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Comparison and Analysis of LFM Signal Detecting Techniques under Low SNR and Strong Narrowband Jamming Conditions 低信噪比强窄带干扰条件下的LFM信号检测技术的比较与分析
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Sawtooth weighted frequency modulated jamming technique for countering LFM radar 对线性调频雷达的锯齿波加权调频干扰
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On Improving Joint Estimation of Doppler Frequency and Multipath Time Delay of Overlapping Echoes for LFM Pulse Sonar 基于自适应核时频分布的多普勒频移及多径时延估计
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Maximum likelihood estimation model and parameter fast estimation algorithm of LFM signal 一种LFM信号最大似然估计模型与参数估计快速算法
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SRC Imaging Method of De-chirped Broadband LFM Signal and Its Real Time Implementation 基于去调频宽带LFM信号的二次距离压缩算法及其实时实现
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Study on correlative detection of LFM pulse compression signal with polarization agility 极化捷变LFM脉冲压缩信号的相关检测
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Parameter estimation of LFM signals based on array of any form 基于任意阵列形式的LFM信号参数估计
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Wavelet spectrum and its application to LFM signal detection 小波谱及其在线性调频信号检测中的应用