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- In part two, a broad band RCS measurement system, called stepped frequency CW system, is demonstrated. 第二部分着重介绍了一种宽带RCS测试系统，即频率步进RCS测试系统。
- Multiple frequency CW radar has the virtues of high velocity and range accuracy,with the developoment of measureing radar in shooting range,it is paid more attetion to recently. 多频连续波雷达具有测速、测距精度高等优点,近年来随着靶场测量雷达改进和发展的需要,其研究又逐步受到人们的重视。
- Keywords Multi-Rate Signal Processing Technology,DOS,multiple frequency CW radar,polynomial approach,stagger frequency difference,multiple scattering centers,low altitude ranging; 多抽样率信号处理;直接数字频率合成;多频连续波雷达;多项式逼近;参差频差;多散射中心;低空测距;
- Application of CPLD in Data Sampling Control for Multiple Frequency CW Radar CPLD在多频连续波雷达数据采样控制中的应用
- Study on Multiple Frequency CW Ranging Method Based Quadric Difference Frequency 基于二次差频的多频连续波测距方法研究
- Ambiguity Problem of Digitized Multiple Frequency CW Ranging Radar Under Noisy Condition 噪扰下数字化多频连续波雷达的测距模糊问题
- Design of Tracking Controller of Multiple Frequency CW Radar and Research on Related Theory and Algorithm 多频连续波雷达跟踪控制器设计及相关理论和算法研究
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
- An electronic device that converts one frequency of a radio signal to another. 变频器将无线电讯号从一种频率转换成另一种频率的电子装置
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- high-frequency CW signal 高频CW信号
- hlgh-frequency CW signal 高频CW信号
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- CW signal CW脉冲信号
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Improvement of Quadric Difference Frequency Base on Multiple Frequencies CW Ranging Radar 多频连续波雷达二次差频测距法的改进
- This radio signal has a frequency of 800000 cycles per second. 这个无线电讯号的频率是每秒八百千周。
