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- ENLARGING SAR PATCH-MAPPIN GAREA BY ANTENNA BEAM SCAN 通过天线波束扫描扩大SAR区域成像范围
- antenna beam scanning 天线波束扫描
- The flashlight's beam scanned every corner of the room. 手电筒的光束扫遍屋内各个角落。
- The results show that this DBF design can adjust the magnitude and phase of each channel,digitally forming antenna beam. 实验结果表明,该数字波束形成设计能实时调整各通道的幅度和相位,实现数字波束形成。
- Equipted with it,phased array radar could have Adaptive beam, lower Side-lobe beam and beam scanning. 相控阵天线通过它可以实现自适应波束、低旁瓣波束，并通过对移相器、衰减器的控制实现波束扫描。
- Combining genetic algorithm with LMS,a hybrid genetic algorithm(GA_LMS)for satellite adaptive nulling antenna beam space was proposed. 将遗传算法与LMS算法结合构成一种混合遗传算法,并将其用于卫星自适应调零天线的波束空间调零处理。
- For subarray level beam scanning, the proposed approach could reduce sidelobe of array pattern to certain extent. 该方法可在一定程度上抑制子阵级波束扫描后的阵列方向图旁瓣。
- Parameters such as laser power, beam scanning speed and so on had fairsized effec... 激光功率和光束扫描速度等参数对固化过程有较大的影响;
- It can perform a flexible emissive and receiving antenna beam and have a good anti-jamming ability.This thesis is a previous research before engineering fulfillment. 本文设计了用可实现模拟多种不同工作体制、具有灵活可变的收发波束和较好抗干扰能力的雷达天线平台，为工程实现提供了理论支持。
- A small television camera tube that forms a charge - density image on a photoconductive surface for subsequent electron - beam scanning. 光导摄像管在光电导表面形成电荷聚集图像的一种微小的电视摄像管，用于以后的电子光束扫描
- And traditional rotating mirror, bolographic refringence microscopic engage laser beam scanning in sencitivity on imamging. 和古板回旋扭转镜背不同，全息不直射镜也是让激平束扫描在感平质料上成像的机构。
- THE STUDY OF BEAM SCANNING FOR LINEAR ELEMENT PLANAR ANTENNA ARRAY 线元天线阵列波束扫描研究
- Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system. 由于对天线波束指向的调整在很小的范围内，故对天线的副瓣及波瓣宽度指标的影响可忽略，从而不会影响到雷达系统的基他性能。
- As the electron beam scans the image, variations of light inten. 当电子束扫描图像时,图像的光强度变化变成了电强度变化。
- New Beam Scanning Technology for Active Antenna Array 有源天线阵波束电扫描新技术
- In AOD laser beam scanning manufacturing system,there was non-linearity mapping relation between the output Cartesian coordinates of object lens scanning plane system and the coordinate of AOD driver. AOD激光加工物镜平场扫描系统中,输出平面笛卡儿坐标系与AOD驱动器坐标系之间存在着非线性映射关系,使扫描加工图形产生图形加工畸变。
- The minimum requied number of controlled elements in a square array with electronic beam scanning over specified sector for a guaranteed upper limit on beamwidth without grating lobes is determined. 确定了没有栅状波瓣时在一定波束宽度限制的条件下对特定区间进行电扫描的矩形阵列所需的最少可控制单元的数目。
- The results show that the surface temperature of melt pool is affected intensively by melting parameters such as melting rate,melting power,electron beam scanning pattern and scan frequency,etc. 结果表明,结果表明,熔炼工艺参数如熔化速度、熔炼功率、电子束扫描方式和扫描频率都会对熔池表面温度产生剧烈影响。
- Beam Scanning and Power Combining of Active Integrated Antenna Array 有源集成天线阵的功率合成和波束扫描
- The beam scans a circular area in the forms of a sector which sweeps around and around. 这波束周而复始地呈扇形扫视一个园形区域。
