• 线性调频脉冲现代雷达系统常用重要时宽-带宽信号

    LFM (Linear Frequency Modulation) pulse is a kind of important large time-bandwidth product signal and commonly used in modern radar system.

    youdao

  • 本文分析了线性调频脉冲压缩雷达工作原理干扰原理卷积干扰原理。

    In this paper the working principle of the LFM pulse compression radar, and the principles of shift frequency jamming and convolution jamming are analyzed.

    youdao

  • 介绍了线性调频脉冲信号分辨测距两种基本方法时域压缩测距压缩测距。

    Two basic methods of high resolution range measurement applying LFM pulses are introduced: compression in time domain and compression in frequency domain.

    youdao

  • 同时运用线性调频脉冲同步改善了基于差分相移键控水声数字通信系统性能

    With the LFM pulse frame synchronization method, the performance of UWA communication system based on DPSK is apparently improved.

    youdao

  • 现代雷达得到广泛应用线性调频脉冲压缩信号的雷达距离数据递推公式还未建立

    The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.

    youdao

  • 雷达测速方法作了较为深入研究讨论了双通道测速正负斜率线性调频脉冲测速法。

    Further study is made on target velocity measurement of radar, double-channel filter method and another one which based on chirp up and chirp down signal are discussed.

    youdao

  • 线性调频脉冲压缩雷达进行干扰为背景,介绍了间歇采样直接转发干扰原理干扰效果

    An operational principle of jamming of interrupted-sampling and direct repeater based on digital radio frequency memory was introduced, and its jamming effectiveness was analyzed.

    youdao

  • 首先对脉冲压缩线性调频脉冲信号进行介绍,然后研究线性调频信号压缩过程及其压缩方法

    After the introduction of the pulse compression and the LFM, the paper studies the procession of the LFM pulse compression and the methods of it.

    youdao

  • 根据输入输出脉冲宽度变化,可识别线性调频脉冲压缩雷达信号测出参数脉冲宽度调频斜率

    According to the change of widthes of the input and output pulses, the chirp signals can be identified and their parameters such as the pulse width and FM slope can be determined.

    youdao

  • 线性调频(LFM)信号三种主要数字产生方法进行分析,提出种基于波形存储直读法的宽带线性调频脉冲压缩信号数字产生系统方案

    On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band LFM pulse compression signals is proposed in this paper.

    youdao

  • 本文讨论了识别线性调频脉冲压缩雷达信号测量参数的方法。分析了常规雷达信号和线性调频脉冲压缩雷达信号通过SAW色散延迟线后不同响应

    The paper discusses a method of identifying chirp signals and measuring its parameters and analyses the various responds which the general radar and chirp signals passed the SAW diverse delay.

    youdao

  • 提出一种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。

    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.

    youdao

  • 论文讨论了脉冲压缩雷达两种典型雷达制式线性调频雷达二相编码雷达的干扰

    The jamming of two models of pulse compressed radar, Linear frequency coded radar and bi-phase coded radar, are studied in this dissertation.

    youdao

  • 阐明斜率线性调频连续信号脉冲LFM信号模糊函数区别

    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.

    youdao

  • 通过特定时刻DDS生成信号进行补可以使dds同时生成多个目标的与被测雷达全相参的常规脉冲线性调频回波信号。

    By setting the DDS's offset phase at given time, a single DDS can generate multi-target phase-coherence signals including LFM and general pulse for evaluated radar.

    youdao

  • 技术利用线性调频信号(LFM)矩形脉冲时延进行时延编码,在接收端采用时延估计技术进行时延解码

    This technique uses different time delay values of the LFM pulse to code the transmitted information, and uses time delay estimation technique to perform decoding.

    youdao

  • 全文主要分析了线性调频信号LFM频域脉冲压缩方法MTI/MTD算法

    In this dissertation the pulse compression performances of linear frequency modulation signals (LFM) and the algorithm of MTI/MTD are analyzed.

    youdao

  • 脉冲压缩线性调频信号相位编码信号;目标回波信号;ADS

    Pulse compression; Linear frequency modulated signal; Phase encoding signal; Echo signal; ADS;

    youdao

  • 信标信号线性调频信号脉冲编码信号复合信号,其中脉冲编码信号用来表征发射信号序号。

    The beacon signal is the reunite signal of linear FM signal and pulse code signal, and the pulse code signal is used as a token of emit signal.

    youdao

  • 线性调频连续波雷达具有低截获特性距离速度解模糊方面比普通脉冲雷达具有较大优势一直是雷达研究领域一个重要课题

    LFMCW radar, with its LPI characteristic and greater advantage over monopulse radar in the ambiguity of range and velocity coupling, has always been an important topic in the radar research field.

    youdao

  • 通过发射线性调频(lfm)脉冲压缩信号实现距离分辨率利用脉冲之间的多信息获得方位上的高分辨率。

    It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.

    youdao

  • 本文研究线性调频信号脉冲压缩抑制问题,分析频谱加权法冲激响应加权法的原理。两种方法的谱平滑效果。

    We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.

    youdao

  • 基于线性调频信号正切调频信号脉冲压缩系统进行了仿真分析得到了有意义结果

    The simulation, resulted from the pulse compression system with linear FM and Tangent FM signals, is presented and analysed for the useful conclusions in this paper.

    youdao

  • 方法既可用于多段线性调频连续波探测回波积累检测,也用于多个相参脉冲信号的积累频率估计

    The new methods can be used in both detection of FMCW echo and frequency estimation of correlative pulse train.

    youdao

  • 线性调频信号通过线性频率调制获得时宽带宽脉冲压缩信号,具有带宽因此距离分辨力

    Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.

    youdao

  • 线性调频雷达干扰对象,将脉冲重叠型脉冲等间隔取样两种灵巧噪声干扰波形的干扰效果进行了计算机仿真,仿真结果验证这种干扰的有效性。

    Smart noise jamming waveforms of pulse-overlap and pulse-sample are designed. And The PC simulation results validate that the two smart noise jamming waveforms are effective.

    youdao

  • 线性调频雷达干扰对象,将脉冲重叠型脉冲等间隔取样两种灵巧噪声干扰波形的干扰效果进行了计算机仿真,仿真结果验证这种干扰的有效性。

    Smart noise jamming waveforms of pulse-overlap and pulse-sample are designed. And The PC simulation results validate that the two smart noise jamming waveforms are effective.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定