工程师监测桥梁只需用无线电波扫描天线,来观察他们的反馈波形,就可以得出桥的安全状况。
Engineers monitoring the bridge would just need to scan them with radio waves to see which wavelength they responded to, in order to find out what was going on.
对频率扫描天线能保证当波束扫描时,可以保持一个相对稳定不畸变的辐射方向图。
It is a property for practical application as a frequency scanning antenna since it ensures a stable radiation pattern with little distortions while beam is being scanned.
这种天线能够同时获得其视野内所有障碍物的范围和角度信息,不需要使用扫描天线或转换天线。
The antenna is capable of acquiring the range and angular information of all obstacles in its field-of-view simultaneously without using a scanning or switching antenna.
当多数常规机载雷达依靠机械扫描天线收发信号的时候,有源电子扫描阵列(AESA)传感器却使用固定的孔径。
While most conventional airborne radars rely on some form of mechanically scanned antenna to transmit and receive signals, active electronically scanned array (AESA) sensors employ a fixed aperture.
RMP将使一个有源电子扫描阵列(AESA)天线与更加可支持的雷达电子相结合。
The RMP will incorporate an Active Electronically Scanned Array (AESA) antenna with more-supportable radar electronics.
据诺思罗普公司称,该雷达单元特征包括新的先进电子扫描阵列天线、一个电源和改进型收发器。
The units feature new advanced electronically scanned array antenna, a power supply and a modified receiver/exciter, according to Northrop.
卫星天线扫描驱动机构是整个卫星系统的核心部件,对卫星的运行姿态和数据的采集起着至关重要的作用。
The satellite antenna scan drive institution is a core component of the whole satellite system, which has an effect upon the attitude of satellite and gathering data.
研究了由单片微波集成收发组件所构成天线阵的可变极化扫描问题。
The beam scan with variable linear polarization directions of antenna arrays using MM/C transmit-receive (T/R) modules is explored.
本文基于棱镜折射原理,提出一种用来放大相控阵天线扫描角的无源透镜。
A passive lens based on the prismatic refraction principle proposed to amplify the scan Angle of a phased array.
天线与扫描不同步,船首线不定,物标位置也随之变化。
The antenna does not synchronize scanning. The heading line is not stable. The echo position is changed accordingly.
对具有不同辐射特性(单波瓣和多波瓣)的受试设备天线高度扫描问题进行了定性分析。
Qualitatively analyze the existing problem of the antenna height scanning for the EUT with radiating characteristics(single lobe and multi-lobes)in the measurement method.
相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化,以实现波束的快速扫描,使其具有灵活、变化快速、多功能等优点。
Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.
研究通过天线波束扫描扩大SAR区域成像范围的方法,以适应较大区域中等分辨率成像的要求。
The approach for enlargement of SAR patch mapping area by antenna beam scan is investigated, which serves for moderate fine-resolution mapping of medium-sized terrain patches.
采用一种基于免疫算法和最小二乘法的两级学习方法设计径向基函数(RBF)网络,并将其应用于雷达天线扫描方式识别系统。
A hybrid RBF training method based on immune algorithm and least square method is proposed and applied in radar antenna scanning-style recognition system.
在此基础上,对一维相控阵天线的波束展宽和扫描问题进行了研究。
On this basis, the problem for the beam broadening and scanning of the phased array antenna is studied.
由等离子体反射面天线构成的雷达系统,是一种多功能、高性能的新型电扫描雷达系统。
The radar with the unique advantages of plasma reflector antenna is a new, multi-functional, high-performance electronic scanning radar system.
最后,对相控阵天线的波束展宽和扫描问题进行了研究。
Finally, the beam broadening and scanning problems for the phased array antenna are studied.
在分析现有天线扫描方案的基础上,提出了天线扫描动量补偿的仿真研究方法,为进一步的研究工作奠定基础。
This paper presents a momentum compensation simulation method about the antenna scan on the bas is of analyzing the antenna scan scheme that has been presented.
对微带相控阵天线中扫描盲点出现的物理机制进行了深入的分析,并讨论了其对微带相控阵扫描特性的影响。
Physical mechanism of the scan blindness occurrence in microstrip phased array is analyzed deeply, and its influence on scanning performance of phased microstrip array is also discussed.
进行赤纬扫描时,可以把天线倾斜。
Scanning in declination may be achieved by tilting the aerial system .
结论显示:偏角馈入抛物面天线较中心馈入抛物面天线在抑制远旁瓣方面有优势,在做低仰角扫描时不会产生远旁瓣回波;
It is concluded that an offset feed parabolic antenna has the advantage in side lobe suppression over central feed parabolic antenna.
从含探针校准信息的传输方程出发,对天线球面扫描测量的数据进行球面近远场变换。
Near-field far-field transformations are used by the data measured on a sphere surrounding test antenna based on the transmission formula with probe correction.
研究了数字移相器提供的量化相移对正六边形相控阵天线扫描方向图的影响。
This paper deals with the effect of the quantitative phase controlled by the digital phase shifter to the patterns of the hexagonal phased array antenna.
本文介绍了雷达天线的扫描波束理论,采用了用波束宽度描述天线辐射方向图的方法。
The text introduces the theory of the radar antenna 's scan wave by adopting the method of using wave width to describe antenna radiate direction FIG.
本文根据方位扫描X波段相控阵天线设计的需求,研究了具有宽带特性的串联馈电微带天线阵。
In this thesis, based on the requirement of azimuth scanning X-band phased array antenna design, micro-strip antenna array that has wideband characteristic is studied.
对于几种排列方案所作的计算表明,利用不均等的元素间距可以在一定程度上控制天线元输入阻抗随着扫描角的变化规律。这可能是解决互耦困难的一种途径。
Several examples are given to show that by properly adjusting the distances between elements, the variation of input impedance of the central element as function of scan angle may be controlled.
本文对均匀直线阵列天线在相控扫描过程中的主瓣宽度和方向性系数进行了估算。
In this paper, the main valve width and directive gain for uniform linear array of antennas in phased scanning are estimated.
屏幕上看不到扫描线运转,但天线运转正常。
No rotating sweep can be observed on the screen, but the scanner rotates all right.
当这种透镜与平面相控阵天线组合使用时,则可使单个平面相控阵天线波束获得半球空域的扫描能力。
When used in combination with a planar phase array antenna, the lens makes it possible for the single planar phased array antenna to achieve the capability of beam scanning for hemispherical coverage.
相控阵雷达波束控制系统的主要功能是实现对天线扫描波束的控制,在天线阵面的研制过程中,需要对波控系统及TR单元性能进行测试。
Steering the beam direction is the main function of beam steering system of phased array radar, test the beam steering system and TR unit performance is signify during the development of the antenna.
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