ZIF

Expression and significance of zif / 268 protein in acute myocardial ischemia area in rats

大鼠急性心肌缺血zif/268蛋白表达及其意义

Immunohistochemical study on Zif / 268 Protein in the diagnosis of sudden Coronary Death

Zif/268免疫组化在心性猝死诊断中的应用研究

Endomorphism Rings of Finitely Generated Projective Modules over ZIF Rings

ZIF环上有限生成投射模的自同态环

ZIF Rings and Character Modules

ZIF环与特征模

Radio transceiver is the main part of radio module . Three architecture can be selected in radio design : low IF , very low IF and ZIF .

射频模块，主要是射频收发器，可以采用多种架构，如低中频、超低中频和零中频。

Firstly this paper expatiates the principle of SSC and ZIF ( Zero-intermediate frequency ), and mainly analyses DSSS ( Direct-sequence Spread Spectrum ) and its ability for interference .

本文首先阐述了扩频技术的理论基础，详细描述了扩频通信系统中的直接扩频通信系统，并且分析了其抗干扰能力。进一步介绍了零中频技术及其特性。