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- radio frequency echo signal 射频回声信号
- Describes a distance simulator of echo signal used in radio frequency simulation system. 描述了射频仿真系统中使用的目标回波距离处理器。
- Radio frequency simulation system(RFSS) is mainly used to simulate echo signal of radio frequency target in laboratory. 射频仿真系统(RFSS)主要是用在实验室里模拟空中射频目标信号。
- RF Radio Frequency Level Controller. RF系列射频导纳式物位控制器。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- Radio frequency circuit design II. 射频电路设计2。
- A way to measuring the vector miss distance using echo signal from Multiple Frequency CW-Tracking Radar is described in this paper. 本文详细介绍了利用多频连续波测量雷达回波信号进行脱靶量测量的方法。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 该文给出一种调频中断连续波(FMICW)高频地波海况监测雷达的仿真模拟检验系统。
- The result shows that in order to obtain the strong echo signal,a suitable selection of the ultrasonic transducer operating frequency is necessary. 由此表明,选择合适的声发射换能器,有助于提高液位检测回波信号的强度。
- Windows Media Center cannot find, or seek, a radio frequency that has a weak signal. Windows Media Center无法找到或搜寻到信号微弱的广播频率。
- Vulnerable to radio frequency radiation interference. 易受射频辐射的干扰。
- Tuner will be able to track the frequency-hopping radio frequency. 调谐器可以追踪跳频无线电频率。
- Internal capacitors to suppress radio frequency interference. 内置抗电磁干扰电容。
- Transmission can be done by cable, radio frequency and satellite. 传递可通过海底电缆，无线电波和通信卫星来进行。
- It can also simulate the speed about distance changing and adjust the pulse width of echo signal. 此外，本目标回波距离处理器还可以仿真距离变化速率，调节回波脉冲的宽度。
- The AGC technology in the radio frequency channel is also studied. 研究了射频信道中的自动增益控制(AGC)技术。
- SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration. SPGA算法利用估计得到的侧摆对距离徙动校正前的回波数据进行包络和相位补偿。
- Method of insertion loss measurement for radio frequency filters. 射频滤波器插入损耗的测量方法。
- The distance simulation circuit for a wireless fuse target video frequency echo simulator has been designed based on FPGA and the digitally programmable delay generator. 针对某伪码调相PD引信点目标视频回波模拟器的要求,提出了基于现场可编程门阵列(FPGA)与片外精密数控可编程延时线两级延时技术的引信点目标视频回波模拟器距离模拟电路的设计及实现方案。
- Because the truths of the echo signal simulation are directly influenced by the accuracy of the simulation algorithms. 模拟算法的优劣直接影响着模拟产生的回波信号的真实性。
