600欧百分之三十 频响范围:100-14000Hz 灵敏度:-73dB±3dB 指向性:单指向性（Uni-diectivity） PDVD机金装麦克风 SVCD机配套麦克风 DVD机精品麦克风 PDVD机金装麦克风 技术指标： 型号：PD-604 系列：小家电 单位：个 保修：...
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频率范围宽的单指向性话筒，高质量的拾音效能。
Has a microphone with a single directivity and a wide frequency range.
驻极体传声器目前主要是民用，单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
本文介绍了一种单向性二元阵，探讨了其在基阵小型化中应用的可能性，分析了影响这种阵单指向性的主要因素。
This paper presents a kind of two-element array, discusses its possibility of being used for array miniaturization and analyses the main factors for influencing its unilateral directivity.
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