介绍了用零中频技术将扫频仪改造成频谱仪的一种方法。
This paper presents a new method for Sweep Oscillator transform to the Spectrum Analyzer by Zero-IF technique.
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.
该系统通过采用正交双通道零中频处理量化相位，处理效果较佳。
The system uses the method of orthogonal double-channel zero intermediate-frequency, and the result is satisfying.
接收机采用零中频直接变频方案，电路简化，可有效地降低成本。
The zero IF technology is used in the receiver which can simplify the reader circuit and reduce cost significantly.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
为了研制低价格、低功耗、小尺寸的OFDM终端，零中频的接收机结构越来越倍受关注。
The architecture of zero IF receivers that has the advantage of low-cost, low power dissipation and small from factor is gaining interest while developing OFDM terminal.
提出了一种基于嵌入式平台的超高频rfid读写器的实现方案，接收机采用零中频检波技术。
This paper proposed a novel mechanism of implementing an UHF RFID interrogator based on Embedded Platform, the receiver architecture used Zero-IF Detect Structure.
为达到较高的集成度，射频接收机一般要求使用尽量少的片外元件，因此零中频结构将会受到越来越多的关注和应用。
Zero IF architecture is preferable to SOC system because of fewer off-chip devices. Here, it introduces different RF receiver architectures in the paper.
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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