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提出了一种宽范围的ｐＨ传感技术。含有单一指示剂的ｐＨ识别器的检测范围一般都比较窄，而把二种有着不同检测区域的ｐＨ指示剂结合在一起形成的ｐＨ识别器可扩大其检测范围。人工神经网络能够识别非常复杂的模式，使用它可充分地利用ｐＨ识别器对光信号的调制信息，从而进一步扩大ｐＨ识别器检测范围
A wide range of pH sensing technologies are proposed. The pH reader with a single indicator is generally narrow in detection range, and the pH reader with two pH indicators with different detection zones expands the detection range. Artificial neural networks recognize very complex patterns and use it to make full use of the pH identifier’s modulation of optical signals to further expand the pH reader detection range