It is a main subject to increase signal to noise ratio of light target and pick up signals effectively so as to diffuse laser shooting simulator.
提高光靶信噪比，有效地拣出信号，成为激光射击模拟器推广应用的重要课题。
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Experiments on the test pool and open sea have proved that this simulator could not only transmit acoustic signals like CW and LFM, but also generate ship radiated noise with specific characteristics.