从PSK调制器20输出的连续波在延迟电路26I和延迟电路26Q中被延迟，然后作为参考信号提供给接收混频器30的每个混频器。
The continuous wave output from the PSK modulator 20 is delayed in delay circuits 26I and 26Q and is then supplied, as a reference signal, to each of mixers of a receiving mixer 30.
混频器的变频损耗和噪声温度的测量可以用改变中频部分的噪声温度使接收机的系统噪声温度变化来加以确定。
The conversion loss and noise temperature of mixers is determined by changing the IF noise temperature so as to change the noise temperature of the receiver system.
在现代通信系统中，毫米波频段通常采用超外差接收机，混频器作为第一级就成为关键部件。
The super-heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system.
该混频器接收来自外部直流电压源动力。
The mixer receives its power from an external DC voltage source.
在理论分析的基础上，本文设计了一个应用于北斗卫星导航系统接收机芯片中的低噪声放大器和下变频混频器。
On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.
整个雷达接收系统是由放大器、滤波器及混频器等多级模块构成的；
The whole radar receiving system consists of many modules such as amplifiers, filters and mixers.
设计了一种用于零中频gps接收机的低闪烁噪声混频器。
A low flicker noise mixer for zero-IF GPS receiver is presented.
更进一步，控制器可以被耦合以接收对应于可变阻抗位准的控制信号，并响应于所述控制信 号来控制耦合到混频器的本机振荡器。
Still further, a controller may be coupled to receive a control signalcorresponding to a variable impedance level, and control a local oscillator coupled to the mixer responsive to the control signal.
接收电路采用了零中频方式，相对于超外差方式，明显简化了电路结构，仅由混频器、差分放大器和电压比较器组成；
Receiving Circuit adopts the zero-IF, only consists of the mixer, differential amplifiers and voltage comparator, compared to super heterodyne, obviously simplifies the structure of the circuit;
接收电路采用了零中频方式，相对于超外差方式，明显简化了电路结构，仅由混频器、差分放大器和电压比较器组成；
Receiving Circuit adopts the zero-IF, only consists of the mixer, differential amplifiers and voltage comparator, compared to super heterodyne, obviously simplifies the structure of the circuit;
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