radio detection radar的意思|示意

The original radar combined these two things, as its English name radar showed: Radio Detection and Ranging.

最初的雷达正如它的英文名称“雷达”(radar)所表示的那样，包括两个方面：无线电测物和测距。

This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.

这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。

The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.

海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。