雷达

Britain tended to have the best radar system during the early stages of the war and in 1940 the invention of the Magnetron cavity resonator enabled more centimetric waves to be transmitted.

tp9yr+qy_Ucr7G0英国往往有最好的雷达系统在战争初期，并在1940年发明的磁控管谐振腔，使更多的centimetric波的传播。

In this paper,the design methods of time difference receiver of passive detection and tracking radar system,based on passive position finding of three station time difference,are presented in detail,and channelization receiver technique and mixer threshold detection method are adopted.

较详细介绍了一种基于三站时差定位体制的无源探测与跟踪雷达系统时差接收机的设计，该方案采用了信道化接收技术和混合门限信号检测方

Power reflectivity measured by the far field radar cross-section method is taken as the characteristic index of absorbing property.

采用远场雷达散射截面法测试的功率反射率为表征吸波性能的指标，研究了素砂浆的吸波性能以及钢纤维、碳纤维的长度和掺量对其吸波性能的影响；同时根据所推导的隐身效能评价公式比较了两种纤维复合砂浆的隐身能力。

Methods We carried out the training course of Quality Control Circle, adopted some good tools such as Flow Chart, Radar Chart, Check Sheet, and so on. We led all of the members to take part in the whole process of the quality administration, thus promoted their exchange and communication and improved their efficiency.

方法引入品质管理概念，采用流程图、雷达图、查检表等手法，引导员工积极参与质量管理的全过程，促进沟通，提高工作效率，增强工作责任心。

This paper introduces an algorithm used in estimation of the phase error of chirp signal.

摘要该文提出了一种对雷达发射脉冲进行相位估计的算法。

Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology.

空间谱估计是阵列信号处理的一个重要分支，近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。

Presented by Indigo and Chapters bookstores and Cineplex Entertainment, the Canadian Tour featured a number of class players that had been flying under the radar all weekend, most notably Brian Butler of Edmonton Alberta, Jason Klatt and Ryan Solleveld of Winnipeg along with John Horsfall and Alain Boutin both of Vancouver.

由Indigo和章节，书店和电影院娱乐，加拿大巡回赛精选了若干级的球员，已飞行下的雷达所有的周末，最显着的布赖恩巴特勒埃德蒙顿阿尔伯塔省，贾森klatt和瑞安solleveld的温尼伯随着约翰horsfall和Alain boutin双方温哥华。

The Radar Cross Section of an S-shaped circular wave guide and that coated with absorber layer on the inner wall are computed by the fast Iterative Physical Optics method using algorithms of initial value succession and Forward-Backward Iterative.

在此基础上采用初值继承算法和前后向迭代结合的快速IPO方法计算了采用S弯和在腔体内壁涂敷吸波材料对腔体雷达截面的减缩效果。

The microwave ferrite circulator is an important non-reciprocal component for radar and microwave system.

微波铁氧体环行器是雷达和微波系统中一个重要的非互易部件。

Lidar data of 8 clear weather days selecting from January 8 to 30 in 2007 were analyzed in Dalian.

选用2007年1月8—30日期间8个无云天的激光雷达资料进行分析。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。