primary radar

The basic component, main function, system realization and primary feature of a target video simulator for search radar are introduced in this paper.

简要介绍了一种搜索雷达目标视频回波模拟器的基本构成、主要功能、系统实现及主要特点。

The secondary radar IFF ( Identification of Friend-or-Foe) systems mainly consisting of interrogators and transponders, are used to identify the friend-or-foe attribute of the targets that are detected by the primary radar.

二次雷达敌我识别系统用于识别一次雷达检测到的目标的敌我属性，它主要是由询问机和应答机两部分组成。

Speckle reduction is the primary problem of SAR ( Synthetic Aperture Radar) and polarimetric SAR imagery post-processing.

相干斑抑制是合成孔径雷达（SAR）图像和极化SAR图像后处理的首要问题。

Clutter suppression is a primary concern in the application of moving target detection of moving-platform radars, e.g., airborne and spaceborne radar. The studies on this topic are largely covered by two parts.

杂波抑制是机载、星载等下视运动平台雷达完成动目标检测所面临的首要问题，其研究可分为两个方面。

Noise jammer is one of the primary jamming that radar seekers have to antagonize.

噪声干扰是雷达导引头需要对付的主要干扰形式之一.

Introduces the working principle of a non-atmospheric window millimeter wave FMCW short range radar, analyzes the system primary parameters f_0 、 T_M 、Δ F_M and discusses the effect on parameters choice of Doppler result and parasitic amplitude modulation.

介绍了非大气窗口毫米波FMCW（调频连续波）近程雷达的工作原理，对系统的主要参数f0、TM、ΔFM进行了分析，并讨论了多普勒效应和寄生调幅对参数选择的影响。