Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.
大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。
The main procedures are briefly introduced here, such as radar detecting, hail cloud identifying, operation commanding, effect analyzing, etc.
本文扼要介绍雷达观测、雹云识别、作业指挥、效果分析等部分主要技术规程。
The echo of short range radar detecting ground targets are analyzed in this paper, Models for targets, multipath effects and clutter are constructed.
对近程地面目标监测雷达的回波进行分析，建立相应的目标信号模型、多路径效应回波模型和杂波模型。
Besides that, an interactive method for drawing target tracks and a time decision method for radar detecting target are proposed in this paper as well.
提出了一种交互式目标航线的建立和推演方法以及雷达目标探测时间的判定方法。
During the near three decades, high - frequency ground wave radar detecting for sea has been regarded for its high performance by many countries.
近三十年来，高频地波对海探测雷达因其本身所特有的优点而引起了许多国家的高度重视。
Aerial defense radar detecting system is used to search, discover, identify and scout the aerial target, it can provide necessary information and alarm for aerial defense system.
防空雷达探测系统主要用于搜索、发现、识别和跟踪远方空中来袭的目标，为防空作战系统提供必要的目标参数和预警。
Radar signal processing is a key technology for navigation radar detecting target, which improves the radar detection capability and has a crucial role for safe and efficient shipping.
雷达信号处理技术是航海雷达探测海上目标的关键技术，它对安全和高效率的海上运输起到至关重要的作用。
With the radar, detecting aircraft velocity changes requires tracking the received data and can only be detected over a period of several position updates.
使用雷达的话探测飞行器的速度变化要求跟踪监测所接收的数据并且只能在几次位置更新后探测到。
With the radar, detecting aircraft velocity changes requires tracking the received data and can only be detected over a period of several position updates.
使用雷达的话探测飞行器的速度变化要求跟踪监测所接收的数据并且只能在几次位置更新后探测到。
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