| 摘要 |
<p>A multi-sample spectrometer which finds particular application in such applications as on-line process control and monitoring, employs a Hadamard encoding scheme and comprises a source of radiation, primary encoding means to encode radiation from said source, sample receiving means to position the samples in the radiation path, secondary encoding means to modulate the intensity of radiation directed to individual samples and a detector for radiation received from the samples.</p> |
