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对导弹工作时可能产生的噪声,特别是人为噪声和自然界噪声作了分析,介绍了几种噪声表现形式,它们有:放电噪声;电路间耦合噪声;接触电位差噪声;摩擦生电噪声;导线运动产生的噪声;介质变异引起的噪声.指出航空航天产品减少噪声、解决电磁兼容的问题更为迫切.着重提出了几种提高导弹系统电磁兼容能力的措施,这包括:选择良好的地线系统;建立良好电气搭接;采取屏蔽措施;使用抑制干扰的器件;隔离传输线.还提出了电路设计时提高电磁兼容能力的若干方法.
The possible noise, especially man-made noise and natural noise in the working of missiles are analyzed. Several kinds of noise manifestation are introduced. They are: discharge noise; coupling noise between circuits; contact potential difference noise; triboelectric noise; wire The noise caused by the movement and the noise caused by the medium variation are pointed out.It is more urgent to point out that the aerospace products should reduce the noise and solve the electromagnetic compatibility problem.It puts forward several measures to improve the electromagnetic compatibility of the missile system including choosing a good ground system ; Establish a good electrical lap; take shielding measures; the use of interference suppression devices; isolated transmission lines. Also proposed circuit design to improve the ability of electromagnetic compatibility.