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full coherence
- 通过两个雷达平台相位编码信号的发射验证接收相参N方的信噪比增益; 再利用相同信号的发射接收验证收发相参N立方的信噪比增益。(Signal to noise ratio gain of coherent N receiver is verified by transmitting phase coded signals from two radar platforms; The signal-to-noise ratio gain of transceiver coherent
brtgk
- FMCW frequency modulated continuous wave radar range and angular measurements, Suppressed carrier type differential phase modulation, Virtual power wireless sensor network coverage.
天波雷达 电离层相位污染
- 对天波雷达的电离层信号相位污染的矫正,很多种方法。(There are many ways to correct the phase pollution of the ionospheric signal in the sky wave radar.)
总控程序
- matlab编程。天线设计。相控阵天线方向图。灵巧天线设计。脉冲编码设计。 (matlab program. antenna designing. phase array antenna radar design.pulse code radar design.)((matlab program. antenna designing. phase array antenna radar design.pulse code radar design.))
基于单片机的信号发生器(完整电路-程序)
- 基于单片机的信号发生器(完整电路-程序)((matlab program. antenna designing. phase array antenna radar design.pulse code radar design.))
fuzhuzhenyuan
- 利用单辅助阵元法实现对雷达到达方向角估计中的幅相误差校正(Amplitude and Phase Error Correction of Radar Direction of Arrival Estimation Using Single Assistant Array Method)
XIANGKONGZHEN
- 每个天线单元都由独立的移相开关控制,通过控制各天线单元发射的相位,就能合成不同相位波束。相控阵各天线单元发射的电磁波以干涉原理合成一个接近笔直的雷达主瓣,而旁瓣则是各天线单元的不均匀性而造成。(Each antenna unit is controlled by an independent phase shift switch. By controlling the phase transmitted by each antenna element, different phase beams
suijigq
- 伪码调相雷达是相位编码雷达的一种,所谓的相位编码雷达就是用码字调制载频信号,通常码字的选择在某种意义上决定了其性能和处理的方式,相位编码根据其调相码字制式的不同,可分为多相编码和二相编码,根据调相码字有无周期性,可分为随机码调相和伪随机码调相。相位编码中比较常用的是二相码,二相码即采用两个相位状态对载频信号进行相位调制。在相位编码中,伪随机码由于其良好的性能和易实现等特点而得到了广泛的应用。(Pseudo phase coded pulse radar signal processing.)
伪随机相位编码脉冲雷达的信号处理
- 伪随机相位编码脉冲雷达的信号处理。设码频 02,单位为 MHz,伪码周期内码长为 127,占空比 10%,雷达载频为 10GHz,输入噪声为高斯白噪声。目标模拟分单目标和双目标两种情况,目标回波输入信噪比可变(-35dB~10dB),目标速度可变(0~1000m/s),目标幅度可变(1~100),目标距离可变(0~10000m),相干积累总时宽不大于 10ms。单目标时,给出回波视频表达式;脉压和 FFT后的表达式;仿真 m序列的双值电平循环自相关函数,给出脉压后和 FFT后的输出图形;
合成孔径雷达成像脉冲调频信号
- 用于地基合成孔径雷达实测数据成像,信号形式为调频脉冲信号,包含有IQ解调,脉冲压缩,加窗,相位补偿等步骤,采用BP成像算法进行成像。(It is used to imaging the measured data of ground synthetic aperture radar (SAR). The signal form is a FM pulse signal, which includes IQ demodulation, pulse compression, window addin
INSAR
- 合成孔径雷达干涉测量技术(INSAR,Interferometric Synthetic Aperture Radar;简称:干涉雷达测量)是以同一地区的两张SAR图像为基本处理数据,通过求取两幅SAR图像的相位差,获取干涉图像,然后经相位解缠,从干涉条纹中获取地形高程数据的空间对地观测新技术。(INSAR (Interferometric Synthetic Aperture Radar) is a new technology of space-to-Earth observation, i
相位差测频
- 雷达信号的信道化内容,主要包括相位差测频(Channelization content of radar signal, mainly including phase difference frequency measurement)
LFMCW
- 仿真伪相位编码连续波雷达的信号处理。设码频为 5MHz,伪码周期内码长为511,雷达载频为 10GHz,输入噪声为高斯白噪声,视频输入信噪比为 -15dB,相干 积累总时宽不大于0ms,给出回波视频表达式,脉压和FFT后的表达式;仿真给 出脉压和FFT 后的输出图形;通过仿真说明各级处理的增益,与各级时宽和带宽的关系;仿真说明脉压时多卜勒敏感现象和多卜勒容限及其性能损失(脉压主旁比与多卜勒的曲线)(Simulation of pseudo phase coded CW radar signal