释义 |
signal level 信号电平[幅度] 1. The magnitude of a signal at a point in a telecommunication circuit. 在电信电路上某一点的信号幅度。 2. In optical character recognition, the amplitude of the electronic response which occurs from the contrast ratio between the area of a printed character and the area of a document background. 在光符识别中,由打印字符区和文件背景区的对比度而产生的电响应的幅度。 |