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测向接收机
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direction finding receiver
测向接收机
从广义来说,是用于对辐射源信号的幅度和(或)相位及到达时间参数的测量,并依据波的传播特性对测试信号进行分析,得到辐射源来波方向信息的接收装置;从狭义来说,是通过对天线接收到的电磁信号进行测量,根据电磁波的传播特性,对接收信号分析得到电磁辐射源来波方向的接收装置。
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social institution
social insurance
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Social Insurance Law of the People's Republic of China
social insurance management
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social insurance premiums
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Social insurance service management
social insurance statistics
social insurance subsidy
social insurance supervision
social integration
social intelligence
social interaction
social interaction integration
social interdependence theory
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