We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on. —Richard Feynm...
light, and solves measurement blind area problem through the delay fiber, and underground sound information collection is realized according to the relationship between the phase and light intensity changes of the detection light and the acoustic signal. The hardware demodulation subsystem adopts photoelect...
light, and solves measurement blind area problem through the delay fiber, and underground sound information collection is realized according to the relationship between the phase and light intensity changes of the detection light and the acoustic signal. The hardware demodulation subsystem adopts photoelect...