这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。
This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.
结果表明阳性血清的响应值与阴性血清的噪声值之比均大于4，可用于输血四项指标的同步检测，其检测灵敏度略高于ELISA法。
Results showed that respond of the positive serum was 4 times higher than negative serum and its was better than ELISA a little sensitivity.
这种采用锁相技术、同步检波的原理，降低了整个系统的成本，提高了灵敏度，并使得载波信号与调制信号完全达到同步。
The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
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