The charge distributions and electrical field distributions in PE samples are measured under high DE voltages, and the principle of the electro-acoustic pulse method is proved.
在强直流电场下，测量了在聚乙烯试样内的空间电荷分布与电场分布，验证了电声脉冲方法原理。
The acoustic field of the pulse wave source is measured.
比较了连续波声场和脉冲波声场的分布特性及异同点。
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