Fixed radar transponders were heavily used in navigation along coastlines.
沿海岸线的导航也广泛地利用定频雷达应答器。
Inverse Synthetic Aperture Radars (ISAR) is mainly to describe fixed radar imaging moving targets such as airplane and ship.
逆合成孔径雷达(ISAR)重点论述用固定雷达对活动目标成像，例如对飞机成像或对船成像等。
Northrop Grumman Corporation has been awarded the first phase of a ＄30 million firm-fixed price U.S. Air Force contract to develop a global space surveillance ground radar system.
诺斯罗普·格鲁曼公司已经获得了美国空军第一阶段价值3000万美元的合同，以研发全球空间监视地面雷达系统。
A fixed device that sends or receives, amplifies, alters, and returns a radar signal, permitting a distant receiver to determine its bearing and sometimes its range.
一种发射、接收、放大、改变并返回雷达讯号的固定装置，允许远处的接收者测定它的情况，有时还有范围。
Slip ring is an electricity connector of radar rotational part and fixed part , whose reliability influences a lot to radar, but we have not had an effective forecast technique for a longtime .
汇流环作为雷达旋转与固定部分的电连接装置，其可靠性对雷达影响很大，但长期以来一直没有一种有效的预计方法。
Fixed target is adopted as observation mark in marking targets of surveying radar.
雷达空间标校目标时，采用固定觇牌作为观测标志。
That enables use to be made of what was previously just irritating noise—the part of a radar beam that is reflected not from raindrops, but from fixed objects such as buildings.
这有助于分析以前恼人的噪音——这些噪音是雷达成像的一部分，不过不是来源于对雨点的反射，而来源于如建筑物之类的固体。
This paper analyzed the radar recognition ability of two kinds of air targets, i. e. helicopter and fixed-wing aircraft.
分析了雷达对直升机和固定翼飞机这两类空中目标的识别能力。
The problem of classifying the helicopter and the fixed-wing aircraft basing on the low resolution radar signal is studied in this paper.
文中研究了基于低分辨率雷达的固定翼飞机和直升机的分类问题。
This paper discusses the effect of communication delay on radar servo systems track precision based on an engineering design, and offers a solution which applies fixed-gain filter.
结合设计实例详细论述了通信延时对雷达伺服系统跟踪精度的影响，提出了采用常增益滤波法的解决方案，并通过仿真和试验结果加以验证。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
当导引头雷达发射多个不同频率的脉冲信号时，在一定的检测处理时长内目标回波信号幅度服从瑞利分布，而诱饵干扰信号则是幅度固定的。
In the experiment, we build the laser diode radar ranging system, and use of the devices under different conditions of a large number of fixed-point ranging experiments.
在实验上，搭建了测距型激光二极管雷达的实验装置，并利用该装置进行了不同条件下的大量定点测距实验。
In the experiment, we build the laser diode radar ranging system, and use of the devices under different conditions of a large number of fixed-point ranging experiments.
在实验上，搭建了测距型激光二极管雷达的实验装置，并利用该装置进行了不同条件下的大量定点测距实验。
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