The system is reportedly 100 percent silent and extremely difficult to track by air on ground-based radar systems.
这种系统据称还是完全静音的，地基或空基雷达很难探测到。
The pulse Doppler(PD)radar technique in ground-based radar is mainly applied to detecting motive targets in strong clutter jamming circumstance.
地面雷达中的脉冲多普勒（PD）技术主要用于在强杂波背景下对动目标的检测。
In this paper, the concept of calibration for mobile ground-based radar and the classic method of calibration for the mobile ground-based radar are described.
介绍了地面机动雷达标定的概念和机动雷达经典的标定方法。
But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.
不过航空运输延迟和低效的主要原因还是过时的空中交通管制——一套依靠地面控制、反应迟缓的雷达站和不断重复的语音通讯建立起来的体系。
Radar tracking of the shuttle, like the final accurate ground-based navigation, had not yet begun.
对航天飞机的雷达追踪，如最后精确的陆基导航，还没有开始。
Its new missile-defence scheme, when deployed, should be bigger and better than the now-cancelled programme of ground-based interceptors in Poland and a radar in the Czech Republic.
新的导弹防御计划一旦部署，将会比已取消的在波兰建立地基拦截导弹和在捷克建雷达要来的更大更好。
Based on the study of radar signal processing technology and algorithm, a new signal processing system for ground PD radar is proposed in this paper.
本文在研究雷达信号处理技术和算法的基础上，设计了一种地面PD雷达信号处理系统方案。
Furthermore, the idea and method of sensor model design were discussed in detail while taking example for the ground-based tracking-while-scanning radar.
并以地基边扫描边跟踪雷达为例，详细探讨了传感器模型的设计思路和方法。
This paper presents a project of modularization design for ground radar full digital servo system based on CAN bus.
介绍了一种基于CAN总线的地面雷达全数字伺服系统模块化设计方案。
In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated.
阐述从高频地波雷达海洋回波反演海洋表面流中，使用MUSIC算法提取径向流方位必须的信号预处理。
Wideband linear frequency modulated signal is a kind of waveform commonly used in ground-based wideband imaging radar.
宽带线性调频信号是地基宽带成像雷达的一种常用波形。
Based on the energy analysis, recombined ground and radar sounding data, we can obtain the forecast conclusions whether there is a hail or not and its falling area.
利用能量分析作为预报基础，再结合地面和雷达探测等资料进行综合分析，可以得出有无冰雹天气及其冰雹落区的预报结论。
This paper introduces a design of the ground testing apparatus of space-borne radar data-forming equipment based on FPGA.
本文介绍了一种基于FPGA的星载雷达数据形成分机地面测试仪的设计方案。
The HF ground wave radar receiver system based on USB2.0 technique is introduced.
介绍了基于USB2.0技术的高频地波雷达接收机系统。
The mode of march-while-operate is a new way to improve the survivability of ground -based radar in wartime.
“边行进边工作”体制是提高陆基雷达战时生存能力的一种新途径。
The paper is of some values of reference and guidance to the evaluation of jamming effect on the ground based netted radar system.
该文对研究评估对地面防空雷达网干扰能力具有一定的参考价值和指导意义。
Based on the detection principle of ground penetrating radar, this paper analyses the feasibility of detecting fractured rock zone in mine roadway with the radar.
在简述地质雷达探测原理的基础上，分析了巷道围岩松动圈雷达探测的可行性。
The role of ground-based C-band pulse tracking radar(CBPTR) in manned space flight is of much concern.
地面C波段脉冲跟踪测量雷达（CBPTR）在载人航天中的作用是一个较为令人关注的问题。
Aimed at the clutter overlap of PD system applied to the ground-based low altitude radar, a designing method of a different PRF with respect to each interval of scanning time was proposed.
针对地面低空雷达应用PD体制的杂波重叠问题，提出了分时分重频的设计方法。
The fully digitalized receiver is the important basis for software radio. Some key technologies about how to realize the HF ground wave radar receiver based on the HSP50216 are addressed.
全数字化接收机是实现软件无线电技术的重要基础，本文研究基于可编程四通道数字下变频器HSP5 0 2 16实现高频地波雷达数字接收机设计的若干关键技术。
The fully digitalized receiver is the important basis for software radio. Some key technologies about how to realize the HF ground wave radar receiver based on the HSP50216 are addressed.
全数字化接收机是实现软件无线电技术的重要基础，本文研究基于可编程四通道数字下变频器HSP5 0 2 16实现高频地波雷达数字接收机设计的若干关键技术。
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