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随着手持(车载)对讲机用户的增多,彼此间出现串台干扰的现象也就经常发生。如何克服这类串台干扰现象呢?——笔者认为:手持(车载)对讲机出现的串台干扰现象需区分为两种情况:其一、手持(车载)对讲机本身元器件损坏或参数变化引起的无用射频信号泄漏,在大功率发射状态下,近距离内相邻频率接收引起的串台干扰现象;其二、多部手持(车载)对讲机在临近频率上,大功率发射时近距离接收引起的串台干扰现象。若是第一种情况,需利用专门设备对对讲机进行测试、校准及检修。这里针对第二种情况,笔者谈一谈其克服办法:
With the handheld (car) walkie-talkie users increased, the phenomenon of cross-platform interference with each other will often occur. How to overcome such a phenomenon of string interference? I believe that: hand-held (car) walkie-talkies appear on the stage of interference phenomena need to be divided into two situations: First, the handheld (vehicle) interphone itself component damage or changes in parameters Unwanted radio frequency signal leakage, under the condition of high power transmission, the interference of the series and the station caused by the adjacent frequency receiving in the short distance; secondly, the multi-hand-held Squad interference. If the first case, the need to use special equipment to walkie-talkie test, calibration and maintenance. Here for the second case, I talk about the way to overcome: