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提出能够帮助汽车EMC工程师定位和识别噪声源的实际方法,用以解决辐射发射测试不合格的问题;提出了普通的EMI骚扰案例,找出了干扰AM无线电接收机的高压变流电路,并分析了耦合机制。
A practical method to help automotive EMC engineers locate and identify noise sources is proposed to solve the problem of failed emission test. A common case of EMI jamming is proposed, and a high-voltage converter circuit that interferes with the AM radio receiver is found out and analyzed Coupling mechanism.