• 1. Port Isolation: 端口隔离度

• 1.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.
  分析了前端部件中本振源相位噪声和混频器本振射频端口隔离度对系统探测性能的影响，指出在距离较近时影响明显。
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• 2.Some techniques of serial communication are presented, including isolation protection of computer port, relationship between communication speed and distance, and so on.
  并提出串口通信需要考虑的问题，包括计算机端口隔离保护、通信速率与距离的关系等。
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• 3.The isolation at port and port between be differ that in addition to itself circulation state, and yet relate with the reflection-coefficient of external connective load at the three port.
  它端口与端口之间的隔离度除与它本身的环行状态有关外，还与第三端口外接负载的反射系数有关。
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