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- linear FM radar 线性调频雷达
- It is well known that the SAR echo can be considered as a linear FM signal,so does the echo of moving targets.The square modulus of linear FM signal has high energy centrality in the ambiguity domain. 近似为线性调频信号的SAR运动目标回波信号的模糊度函数在模糊平面内具有很高的能量集中性。
- the linear FM distortion is <3. 5%. 调频非线性失真小于3.;5%25
- linear FM stepped-frequency signal 线性调频步进信号
- Detection of FM Radar Target Distance Under Minimum Working Distance 线性调频雷达最小作用距离范围内目标距离的测量
- The Study of High Resolution Intra-inter FM Radar Signal Two Stage System 高分辨率脉内脉间频率调制雷达信号脉压系统研究
- A High Accurate Linear FM and PM Signal Source Based on DDS 高精度线性调频调相信号源
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- Fast Signal Processing of Sawtooth Waveform Linear FM Fix Distance System 锯齿波线性调频定距系统的快速信号处理
- The radar scanned the sky for enemy planes. 雷达密切监视天空,搜索敌机。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- A Method for Measuring the Linearity of the Linear FM Signal 一种测量线性调频信号线性度的方法
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- The ship was provided with radar equipment. 那船装有雷达设备。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- Our radar pinpointed the attacking planes. 我们的雷达确定了来袭敌机的精确方位。
- Distortion Analysis of Linear FM Signal and Comparision among Three Kinds of Intermediate Amplifiers 关于线性调频信号的畸变分析及三种中放系统的比较