感知（电流）阈值 threshold of perception current 在给定条件下，电流通过人体，可引起任何感觉的最小电流值。
以直肠感知阈值、直肠最大容量阈值评价直肠的感觉；
The sensation of rectum was evaluated by rectal maximum volume threshold;
直线相关分析显示，5 - HT阳性细胞释放介质越多，胃感知阈值越低。
Linear correlation analysis showed that the gastric perception threshold decreased in concordance with the increase of degranulation of 5-ht-positive cells.
基于扩频的音频隐藏算法一般都采用阈值相关法进行检测，但感知整形过程往往会破坏伪随机序列的正交性。
Audio information hiding algorithm based on spread spectrum is generally detected by correlation threshold but the orthogonal of pseudorandom sequence is always destroyed by perception reshaping.
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