HOMODYNE RADIO RECEIVER: LOCAL OSCILLATOR FREQUENCY MULTIPLIED BY RATIONAL NUMBER BEFORE APPLICATION TO QUADRATURE MIXER

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  机译： 带有本地振荡器的正交检波器，具有改进的频率控制

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  机译： 具有锁相环和自动频率控制环的无线电接收机，用于稳定地保持压控本地振荡器的本地振荡器频率

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