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- antenna beam angle 天线射束宽度角
- 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。
- 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。
- The beam angle can badly influence the inspection ability of the single beam echo sounder. 波束角会严重影响单波束对海底管道的探测能力。
- 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。
- Which of the following is a reference reflector that is not dependent on beam angle? 下列哪种参考反射体与声束角度无关?
- Compare the Color flow imaging versus Power Doppler imaging in terms of sensitivity, velocity aliasing, beam angle dependency, frame rate and the direction of the velocity. 请从灵敏度、速度不确定性、波束角度依赖性、帧速率以及速度的方向性方面比较彩色血流成像和功率多谱勒成像。
- 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。
- Ridge beam angle leading the first set, and so onshou tou decoration, beautiful patterns,ti tou Linglong, remained the Qianlong period of architectural style. 脊角梁头镶有龙头、等兽头装饰,花纹绚丽,玲珑剔透,基本保持了乾隆年间的建筑风格。
- Through calculating ultrasonic phased array probe position and choosing the detecting parameter such as beam angle, focal distance, focus size and focus length and so on to calibrate the instrument. 通过对超声探头位置的准确计算,以及对超声相控阵的声束角度、焦距位置、焦点尺寸及位置等参数的选择来进行仪器标定。
- emission beam angle between half power points 半功率点间的发射束角
- Analysis of Spaceborne Spotlight SAR Antenna Beam Point Steering 星载聚束式SAR天线波束指向控制分析
- Research of a Maximum SNR Algorithm of Fuze Antenna Beam Forming 一种输出信噪比最大的引信天线波束形成算法研究
- 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
- Real-time Determination of Antenna Beam Azimuth for Marching Radar 行进式雷达天线波束方位的实时确定问题
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- No antenna, no radio, we're back in the nineteenth century! 没有天线,没有无线电,我们回到十九世纪了。