• The LO phase noise, LO-RF port isolation of the mixer in the front-end and their effect on the detectability of the radiometer were analyzed in this paper.

    分析了前端部件本振源相位噪声混频器本振射频端口隔离系统探测性能影响,指出在距离较近时影响明显。

    youdao

  • A lighting apparatus has a housing and is disposed at a lower end of a front fork of a motorcycle with good appearance effect and easy installation effect.

    发明提供一种机动二轮车用照明器,其设置下端,可谋求具有良好外观效果容易安装

    youdao

  • In the silencer of the prior art, the front end and the rear end of a silencing component are both planes so that pressure loss is increased and noise reduction effect is poor.

    现有技术消音器中,消音间劈前后采用平面使压力损失增大噪声效果不好

    youdao

  • In the silencer of the prior art, the front end and the rear end of a silencing component are both planes so that pressure loss is increased and noise reduction effect is poor.

    现有技术消音器中,消音间劈前后采用平面使压力损失增大噪声效果不好

    youdao

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