The correlation between signal attenuation and moisture absorption of the cable is studied,and a measurement method for cable moistureproof performance by using transmission attenuation is proposed.

• 研究了信号衰减与电缆吸潮的相关关系,提出以传输衰减表征线缆防潮性能的测量方法;安排了正交试验,并对试验结果及诸影响因素进行了讨论,提出了绝缘芯线外层的防潮措施。