对磁光存储系统中频率法抑制噪声能力的分析  

Analysis for the Capability of Frequency Method to Restrain Noise in Magneto Optic Storage System

作　　者：曹丹华[1] 阮玉[1] 

机构地区：[1]华中理工大学光学系,武汉430074

出　　处：《光电工程》1991年第6期7-13,共7页Opto-Electronic Engineering

基　　金：国家"七五"科技攻关项目--"光盘存储系统"

摘　　要：目前在磁光存储系统中,用于探测磁光信号的振幅法对系统中的振幅噪声和极化噪声均很敏感。通过本文详细的理论分析、计算机模拟,得知新型磁光信号探测法——频率法具有较强的抑制噪声的能力。该方法为研制结构简单,读出信号质量好,数据传输速率高的光学头提供了有效的途径。Amplitude detection method used in magneto-optic data storage system at present is rather sensitive to both amplitude noise and polarized noise. With theoretical analysis and computer simulation, it is shown that the new frequency method has strong power in eliminating the both kinds of noise, and frequency method is able to supply an effective approach to develop one kind of simple optics with high quality of readout signals and fast data transfering rate.

关 键 词：磁光存储器 消声 频率法 

分 类 号：TP333.41[自动化与计算机技术—计算机系统结构]