六通道瞬态光学高温计是在可见光和近红外光谱范围内，把光源的热辐射取出六个波段进行测量。

The six channel instantaneous optical pyrometer is used to measure the thermal radiation of the light source at six bands from visible to near infrared spectrum.

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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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在优选的实施例中，光源发出可见的红外或近红外光。

In a preferred embodiment, the light sources are emitting visible, infrared or near-infrared light.

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