搜索 - 科创网

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内容：[/url] 怎么样，看这个界面是不是很像真正的雷达呢？,那么我们究竟怎样才能拥有一台像作者一样的USB雷达呢？,[/url] 怎么样，导弹+雷达。。。,而且在开始时我们需要把导弹的位置调到和雷达的方向相同。,作者这个软件的操作是这样的，首先USB雷达启动，转动360度，点击软件上的Scan environment按键，软件将会在图中画出障碍物的轨迹（想象雷达被一个围墙包围，扫描后，将会显示这个围墙的轨迹），

内容：有关合成孔径雷达的原理：XXXXXXXXXXXXXXXXXXXXXXXX/t/83141雷达系统硬件实现：XXXXXXXXXXXXXXXXXXXXXXXX/t/83594如图，雷达系统为上贴中的雷达以及一台,由于前一个帖子中的FMCW雷达系统经实际测试输出功率未达到设计值，又额外增加一级功率放大器将输出功率提高到约27dBm（由于暂时缺少能用到6GHz的功率计和频谱仪，此值为理论值）。,场景A:某湖及周边建筑：可见光光学图像（谷歌卫星地图）：SAR图像：场景A，高度50m由于图一中的悬吊安装方式会导致飞行过程中雷达系统的天线方向在风力作用下前后摆动，从而使得成像质量劣化，而且降落时操作难度也比较大,所有SAR图像均已矫正至地距，每像素为0.2m，图像宽度为349m，雷达位于图像左端由下往上运动。,由于ADC采样后送入FFT的是单路实信号，所以经过FFT解调出来的频率实质上其实是$$ f=|-\frac{2kr}{c}|$$对于SAR，由于我们需要利用雷达与目标的相对运动产生的多普勒效应进行成像，

内容：合成孔径雷达的载具平台为无人机，设计目标为：距离向分辨率1m，方位向分辨率0.5m，景中心斜距离2km。,硬件规划将根据雷达方程和RF链路器件的性能进行，由仿真结果验证设计，以满足设计目标。

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