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本振和混频管，并且被大量生产出来以实现这个用途。

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.

本文毫米波肖特基势混频二极管本征温度进行了试和分析。介绍了在常温和致冷下混频二极管本征试方法。

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，给出了复耦合系数为任意值时稳态四波混频耦合波方程组解析解。

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

文中正交分泵受激四光子混频应用于光纤总色散量进行了实验研究。

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

已经完成设计包括个片上集成可直通式低放大器（LNA）和个片上集成低频转换式混频器。