Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
毫米波介质透镜天线是一种高方向性的口径天线。
The frequency multipliers and mixers are commercial MMICs, the signal separator is a broadband high directivity waveguide directional coupler.
扩频模块中的倍频和变频器件采用商业MMIC芯片，信号分离器件采用自行设计的宽带高方向性波导定向耦合器。
Directional coupler is widely used in modern microwave system, how to test directional coupler's directivity with high directivity is a difficulty.
定向耦合器广泛地用在现代微波系统中，高方向性定向耦合器的方向性测试是其难点。
Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
声频定向扬声器是利用参量阵原理，产生高指向性声频信号的新一代扬声器。
A novel audio beam loudspeaker is fabricated by utilizing the nonlinear propagation effects of ultrasonic in the air to generate audible high directivity sound.
一种新颖的声束扬声器是捏造的利用超声波在空气中的非线性传播效应，产生声音的高指向性的声音。
A novel audio beam loudspeaker which based on nonlinear propagation effects of ultrasonic in the air to generate audible sound with high directivity is presented.
提出了一种利用空气中超声波非线性传播效应制作的、可产生高指向性可听声的新型声束扬声器。
The sea trial of fiber optic vector hydrophone is accomplished. High sensitivity, fine directivity, good low-frequency response and applied performance of fib...
实验结果表明，该光纤矢量水听器具有很高的灵敏度、较好的空间指向性和良好的低频响应，并有了初步的海上实用性能。
This paper proposed a practical model for a high-directivity weak-coupling coaxial microwave coupler, based on the principle of coaxial directional coupler and a precise theoretical analyzing process.
从同轴定向耦合器的基本原理出发，提出了一种比较实用的高方向性弱耦合的同轴定向耦合器的模型。
The Programme 64 is a high performance, low impedance directional column speaker with exceptionally well controlled and consistent directivity over the system's 200-20kHz operating range.
该方案64是一种高性能，低阻抗方向柱扬声器特别好控制和一致的方向性对系统的200-20kHz的工作范围。
Outfitted with 1.75" compression driver on a 90 x 40 constant-directivity high frequency horn for uniform coverage and one 15" woofer in a 6-ply poplar plywood enclosure.
系统采用一个 1.75吋高音压缩驱动单元配合 90x40 恒定指向覆盖均匀的号角与及一个15 吋低音单元装配在以高硬度6层白杨木夹板为材料的音箱内。
Outfitted with 1.75" compression driver on a 90 x 40 constant-directivity high frequency horn for uniform coverage and one 15" woofer in a 6-ply poplar plywood enclosure.
系统采用一个 1.75吋高音压缩驱动单元配合 90x40 恒定指向覆盖均匀的号角与及一个15 吋低音单元装配在以高硬度6层白杨木夹板为材料的音箱内。
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