Multiband Starlight Imaging Photometer and Its Detection Method
A detection method and imaging detector technology, applied in the field of aerosol detection, can solve the problems such as the inability to provide the limitation of nighttime atmospheric aerosol, and achieve the effects of realizing high-precision measurement, deducting the influence of background stray light, and reducing dependence
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Embodiment 1
[0062] Such as Figure 7 As shown, according to the geographical location and time of the instrument, a target star A suitable for local observation is automatically selected by the computer 5 . Utilize the geographic location longitude and latitude, time, and meteorological parameters provided by the weather and GPS module 3, whether the weather conditions are suitable for observation by the computer 5 decision. If it is suitable for observation, the computer 5 automatically calculates the right ascension and declination of the target star, and the computer 5 issues an instruction for two-dimensional tracking of the turntable 2, so that the optical imaging detection system 1 points to the position of the target star. After reaching the position, the filter wheel 7 is controlled to rotate. Sequentially or by specifying the corresponding filter, the target star is imaged on the CCD imaging detector 8 by sub-band, and the collected image is downloaded to the computer 5, and the ...
Embodiment 2
[0065] Based on Embodiment 1, different target stars are alternately observed, such as Figure 8 , at the same time, select target star A, target star B and target star C with different elevation angles respectively (the number of target stars is optional), according to the geographical location and time of the instrument, use the geographical location provided by the weather and GPS module 3 The location latitude and longitude, time, and meteorological parameters are determined by the computer 5 and whether the weather conditions are suitable for observation. If it is suitable for observation, the computer 5 automatically calculates the right ascension and declination of the target star A, and the computer 5 sends an instruction to two-dimensionally track the turntable 2, so that the optical imaging detection system 1 points to the position of the target star A. After reaching the position, control the filter wheel 7 Rotate, sequentially or specify the corresponding filter, s...
Embodiment 3
[0067] Based on Example 1, such as Figure 9 As shown, under the weather conditions where moonlight is visible, the moon is selected as the light source for observation. The specific implementation is as follows: Utilize the geographic location longitude and latitude, time, and meteorological parameters provided by the weather and GPS module 3, whether the weather conditions are suitable for observation by the computer 5 decision. If it is suitable for observation, the computer 5 automatically calculates the right ascension and declination of the moon, and the computer 5 sends an instruction to the two-dimensional tracking turntable 2 to make the optical imaging detection system 1 point to the moon. After the two-dimensional tracking turntable 2 reaches the position, it controls the rotation of the filter wheel 7 , sequentially or specify the corresponding filter, sub-band imaging of the moon on the CCD imaging detector 8, the collected image is downloaded to the computer 5. ...
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