Hi , I think when transmit XX Light of ground and you wait , this Light first heated ground and moving slowly slowly so like (Air) weather conditions up to object and Reflect from it back to Camera in minimal signal , here will need x200 Amplifier , if light comes across any live creature, it will perceive or absorb its heat and vibration more comfortably, for more visible .
Remember what says Esteban for IR Light (LRL) , all story is in this method , but here instead IR nm Sensor have Camera receiver with wide band . Here very important is wavelength of light for more penetrading and and for visibility .
I Think so ... , but can be and other ...
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