查询词典 radar

By the way, different radar clutters are used in the hardware.The real time clutter is good for radar clutter simulation.

另外，本系统对各种分布杂波进行了硬件实现，实时产生的杂波序列更好的模拟了真实雷达回波。

Its main function is to produce radar echoes, clutters and noise. Its used for radar subsystems debugging when the microwave frontend is not available.

它的主要功能是用来产生目标的回波、杂波和环境噪声，在前端电波不存在的情况下对雷达分系统进行调试。

Chapter two illustrates the basic radar signal theories that are closely related to pulse compression techniques and some key corollaries are concluded. The requirements to signal properties in the low probability intercept radar application are also discussed.

论文内容的安排是，第一章概述雷达技术理论的发展，说明脉冲压缩的主要研究内容和研制开发多信号脉压系统的意义，并介绍本文的主要工作。

In this paper,we present a rapid and practical radar azimuth calibration method and shaft angle position digitalizing system that has been successfully proven by radar installation test.

给出了一种已经雷达装机试验成功的方位标校方法和轴角变换系统，并被广泛应用于高机动地面情报雷达伺服系统中，取得了良好的效果。

A real-timely non-linearity emendating method in the echos of radar based on DDS is discussed. The reason is that the requirement of the radar LFM linearity is more and more high.

由于防撞雷达对信号的调频线性度要求极为苛刻，为此，论文研究了一种基于DDS 在回波信号中进行实时非线性度修正的简易方法。3。

Synthetic aperture radar enhances radar's information acquisition capability and information awareness ability by obtaining high resolution imageries.

合成孔径雷达成像可以获取高分辨率的图像，它提高了雷达的信息获取能力和信息感知能力。

The task scheduling is not only the kernel proceeding of phased array radar, but also important content of radar design. A novel method based on genetic algorithms is proponed in the paper.

任务调度是相控阵雷达工作流程的核心环节，也是雷达设计的重要内容，本文提出了一种基於遗传算法的任务调度模型。

The feasibility of the two proposed methods is verified by computer simulation.4、A single receiving station passive radar system framework based on Software Defined Radio is proposed. Receiving directly signal, scatted signal use an array antenna simultaneously in the radar system. Therefore, the hardware structure of the system is simplified, Maneuvering and Flexible design are improved.

通过计算机仿真验证提出方法的有效性。4、提出了一种基于软件无线电架构的单接收站无源雷达系统，该系统采用一副天线阵列同时接收直达信号和目标散射信号，简化了系统硬件构成，增加系统机动灵活性能。

The method uses radar chart of multi-statistics to show multidimensional data, from which foregone category template is upbuilt. With it, automatic classification is realized by applying fuzzy rules to recognize radar chart of unknown category and by camparing it with the template.

该方法首先采用多元分析中的雷达图表示多维数据，建立已知类模板，然后应用模糊推理方法识别未知类的雷达图形，应用模板匹配法确定其归属，从而完成自动分类。

Radar absorbing material could realize the stealth of aircraft through transforming the electromagnetic wave into other state of energy in order to reduce the radar cross section of aircraft.

吸波材料通过把电磁波转化为其它形式的能量来降低目标的雷达散射截面，从而实现目标隐身的目的。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。