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在自行研制的共焦Ｆａｂｒｙ－Ｐｅｒｏｔ干涉仪超声波接收系统的基础上，详细地分析了该系统的聚光本领；给出了干涉仪聚光本领、物空间聚光本领及其二者的匹配条件；并给出在前述匹配条件下获得的实验结果。
Based on the self-developed confocal Fabry-Perot interferometer ultrasonic receiver system, the focusing ability of the system is analyzed in detail. The matching conditions of the interferometer focusing ability, the object space condensing ability and the two are given ; And given the experimental results obtained under the aforementioned matching conditions.