混频

The design finished includes a bypassable low noise amplifier (LNA) and quadrature downconverter integrated on chip.

已经完成的设计包括个片上集成的可直通式的低噪声放大器（LNA）和个片上集成的低频转换式的混频器。

An experimental study of using the crossed pump-dividing stimulated four-photon mixing (SFPM) to measure the total disparsion of optical fiber is reported.

文中对正交分泵受激四光子混频应用于光纤总色散的测量进行研究。

The diode intrinsic noise temperature of some milimeter Schottky mixer diode was measured and reviewed. A measurement method was described at room and cooled temperature.

本文对些毫米波肖混频二极管本征噪声温度进行测试和分析。介绍在常温和致冷下混频二极管本征噪声的测试方法。

The analytical solutions for the stead state equations of four wave mixing with an arbitrary complex coupling constant are given without the undepleted pump approximation.

在无泵浦非耗竭近似下，给出复耦合系数为任意值时稳态四波混频耦合波方程组的解析解。

Its purpose in life was to be the local oscillator and mixer in AM radios, and a kazillion of them were made to fill that purpose.

它本来是被用作调幅收音机中的本振和混频管，并且被大量的生产出来以现这个用途。