查询词典 navigation radar

It is of necessity to research non-cooperative bistatic radar to enhance the performance of radar fence.

为了提高整个雷达网的性能，有必要重点研究非合作式双基雷达。

The radar puts out what we call a radar fence,' explains Major Matthew Morand, director of operations.

雷达提出了所谓的雷达栅栏，'解释主要马修莫朗，业务主任。

According to the multisensor multiple level parallel detection structure and combining the traditional detection mode of radar fence system, this paper advances a positive groundwork territorial radar fence system which is more close to existing equipment collocation of army. The detection capability and reliability of this system is analyzed too.

摘 要：根据多传感器多层并行检测结构理论，结合传统雷达网系统的检测方式，本文提出一种更加贴近部队现有装备部署的有源地基区域性雷达网系统检测结构，并对该系统结构的检测性能和可靠性进行了分析。

Radar signal processing is an important part of radar system.

雷达信号处理是雷达系统的重要组成部分。

Radar rainfall estimation combined with a few rain gauges has as good result as dense rain gauge network does in runoff simulation that gives a good prospect of radar application in flood monitoring and forecasting.

2雷达联合少量雨量计估测降水用于流域径流模拟时，模拟精度和用稠密雨量计网模拟的精度接近，显示雷达在流域径流模拟和洪水监测预报中有相当高的应用价值。

First, in order to verify the correct of this retrieval month, by using the data of three-dimensional wind field, raininess field and temperature field that are output by MM5 numerical simulation, we climate the radial velocity field and echo intention field in the in-phase observation area of Dual-Doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in-phase observation area of Dual-Doppler radar, we retrieve the atmospheric three-dimensional wind field.

首先，为检验此种反演方法的可靠性，我们使用MM5数值模式输出的三维风场、雨强场、温度场等数据，分别模拟生成两部雷达同步观测区的径向速度场和回波强度场，然后根据以上的反演理论利用模拟的双多普勒天气雷达观测到的径向速度场和回波强度场反演出大气三维风场。

This paper discusses some important concepts, such as exploration depth and resolution of ground penetration radar, and then analyzes in detail the electric property difference and ground penetrating radar image characters of riprap, silt and some other medium as well as the detecting effect of GPR through the comparison between interpretation results and boreholing data, based on a case study of riprap replacing embankment project by blasting-extruding silt on an is-land.

首先讨论了探地雷达理论中的探测深度和分辨率等重要概念，然后以某海岛爆破挤淤抛石置换筑堤工程为例，详细分析了抛石、淤泥等介质层的电性差异及雷达波形特征，并将解释结果与钻探资料对比分析了雷达检测的效果。

The satellites transmit pulses and the airships receive the echo. BSAR radar has separated transmitting and receiving sets. Comparing to the usual bistatic synthetic aperture radar, it is able to gain rich information, has long distance effectiveness.

BSAR雷达由于发射、接收分置，相对于普通的单基雷达，具有获取信息丰富、作用距离远、安全性高、抗干扰能力强和抗截获性能好等突出优点。

Phase shifter is a key component of phased-array radar. It's performance has direct effects to phased-array radar system.

移相器是相控阵雷达中的关键部件，其性能的优劣对相控阵雷达系统存在重要影响。

According to the characteristics and basic tasks of sky wave over-the-horizon radar ,based on the method of Analytic Hierarchy Process, the hierarchy structure of the operational effectiveness evaluation index of sky wave over-the-horizon radar is set up.

根据天波超视距雷达的工作特性和作战任务，运用层次分析法，给出了天波超视距雷达作战效能评估指标的层次结构，确定了各效能指标及相对权重的计算方法，得出了天波超视距雷达作战效能评估的数学模型，为该雷达的发展改进及作战使用提供辅助的决策依据。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48