The Doppler frequency can be obtained as a heterodyne or beat effect.由于外差或频差效应,能够得到多普勒频率.That's a heterodyne receiver.那是外差式接收机.Function test and calibration self - heterodyne curve for direction finder on sea trial....
That's a heterodyne receiver.那是外差式接收机.The Doppler frequency can be obtained as a heterodyne or beat effect.由于外差或频差效应,能够得到多普勒频率.Function test and calibration self - heterodyne curve for direction finder on sea trial....
他沾满血的青肿的鼻子his bruised and bloodied nose用一点搽剂可使你那青肿的膝部消肿.A bit of embrocation will soothe your bruised knee.李痛苦地伸直腰, 用手按摩他青肿的肚子.Lee straightened painfully, his hand massaging his bruised stomach....