【摘要】 手持导航产品中,电磁干扰对产品性能的影响是非常大的.以手持导航产品中为基础,分析其工作原理及电磁干扰产生的原因;并从实际出发,分析产品中产生的主要的电磁干扰的位置、类型、频率范围、大小;最后提出了有效地减小电磁干扰可以采取的几种方法.更多还原

【Abstract】 In handheld GPS products,electro-magnetic interference affects their performance seriously.The working principle of handheld GPS products and the cause of the EMI base on the practical application products were discussed.Finally,several methods that can efficiently decrease the EMI of the handheld GPS products are proposed.更多还原