- reference beam method
- reference-beam method
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双光束法的英文
例句与用法
- So in this paper , the principle of electroptical non - invasive dual - ray methods are fist present in detail . in the theorem of simple structure and low power consumption , we select detecter with fitble wavelenth and low power msp430 processor , and design high stable ray - emitt circuit , low noise pre - amplifier , background disturbance counteract circuit , the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
为此,本文详细分析了光电无创双光束法测定脉搏血氧饱和度的基本原理,在结构简单,功耗小的原则下,选用合适发光波长的探头和信号处理器,设计出光强稳定的发光电路,低噪声前级,以及本底干扰对消电路,通过两级低通直接送至ti公司的超低功耗混合信号处理器msp430进行a / d变换得到原始的数字信号。