上面定义的漫射密度意味著输入光先经过准直,然后收集所有的输出量。
The above definition of diffuse density implies that the input light is collimated and that all the output flux is collected.
频域近红外光谱系统利用一个高频正弦信号对光源进行调制,从而在大脑这类强散射介质中形成一种漫射光子密度波。
The frequency-domain NIRS instruments modulate the light with a RF sine wave, which generates diffuse photon density wave (DPDW) in turbid tissue like brain.
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