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	生物生态环境因子电信号放大器的低噪声设计
	国培光¹
	西北农业大学机械与电子工程学院

摘要:

在描述放大器主要的噪声指标─—噪声系数和对E_n,I_n的分析基础上，提出了生物生态环境因子电信号放大器的低噪声设计原则，为生态环境因子的微机监控系统可靠运行提供技术基础。

关键词: 生态环境，电信号，低噪声

DOI：

分类号:TN722.3

基金项目:

Low Noise Design of Electric Signal Amplifer for Bio-eco-environmental Factors

Gou Peiguang

Abstract:

Based on the description of the main noise targets of amplifier—noise coefficients and the analysis of E_n-I_n,this paper suggests the design prineiple of low noise electric signal amplifier for bio-eco-environmental factors thereby to provide the technical base for there liable operation of the microcomputer of eco-environmental factors in monitoring system.

Key words: eco-environment,electric signal,low noise