请注意2x80度垂直波束宽度。
请注意2x102度水平波束宽度。
跟踪测量雷达因其精度要求，波束宽度很窄。
Because of the accuracy requirements of tracking radar, the beam width is very narrow.
一般非综合孔径雷达的方位分辨率受天线波束宽度的限制。
Angular resolution of a real aperture radar is limited by the beam width of the radar antenna.
同时根据方向图主瓣半功率波束宽度要求确定其单元数和单元间距。
At the same time under the direction of Figure lobe half-power beam width of the main requirements to determine their unit number and unit spacing.
以均匀间距线列阵作了实验验证，波束宽度理论值和测量值一致性较好。
Experimented on the equally spaced line array, the experimental results show that the theoretical values of the beamwidth are well consistent with that obtained in the experiments.
讨论了波束宽度等因素对其散射特性的影响并与平面波入射的结果进行了比较。
The numerical results are discussed and compared with those obtained in the plane wave incident case.
反射数据实际上是反射特征系数沿着具有一定雷达波束宽度的波阵面圆弧的积分。
Projection data is obtained from an integration of the reflectivity coefficients of the objects along the circular arc of the wavefront with a radar beamwidth.
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.
当强信号与微弱信号的空间间隔大于一个波束宽度时，该方法可较好地实现对微弱信号的提取。
If the space separation between strong signal and weak signal more than one beam width, the algorithm proposed can effectively extract weak signal without knowing weak signal's direction of arrival.
本文寻求一种在扫描实孔径雷达中，利用方位信号处理获得优于天线波束宽度的角分辨力的途径。
This paper concentrates on the problem of finding a way to obtain angular resolutions better than the beam width of real aperture radars by means of azimuth signal processing.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
同轴音箱所及声场在各方向和声谱上稳定的，所覆盖的听众均可在相同波束宽度内获得均衡的音响效果。
As the sound field of coaxial enclosure is stable in all directions and entire frequency spectrum, all listeners can be covered at an even sonic performance within a beamwidth.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式，分析讨论了这些公式的应用范围。
The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
采用口径场绕射积分求取了天线的近场及远场方向图，绘制了波束宽度、方向性和最大副瓣电平三个关键参数随场点距离的关系曲线。
Three key parameters, namely beamwidth, directivity and maximum sidelobe level, are drawn versus the distance between field points and the center of aperture.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点，因此该换能器同时兼有宽波束和高发射响应的优点。
Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点，因此该换能器同时兼有宽波束和高发射响应的优点。
Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
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