Paper
12 May 2010 Model for signal acquisition range for laser guided mortar
David Lidsky, Ken Nichols, Charles Lange, Jeff Warren, Greg Thorsted, Bryan Freeman, Charles Steadman
Author Affiliations +
Abstract
A simple analytical model for the signal acquisition range for a laser guided mortar is presented. The signal consists of a repetitively pulsed laser of fixed pulse duration and fixed pulse repetition frequency. The pulses are detected by a seeker consisting of a quadrant photodiode and a trans-impedance amplifier. Noise is introduced from solar irradiance and from the detector/amplifier electronics. The model maximizes the acquisition range by optimizing trans-impedance amplifier circuit components. A comparison of integrating multiple low energy pulses (MPLD) versus detecting each pulse individually (conventional) is made.
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David Lidsky, Ken Nichols, Charles Lange, Jeff Warren, Greg Thorsted, Bryan Freeman, and Charles Steadman "Model for signal acquisition range for laser guided mortar", Proc. SPIE 7696, Automatic Target Recognition XX; Acquisition, Tracking, Pointing, and Laser Systems Technologies XXIV; and Optical Pattern Recognition XXI, 76961J (12 May 2010); https://doi.org/10.1117/12.849250
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KEYWORDS
Sensors

Amplifiers

Signal to noise ratio

Pulsed laser operation

Interference (communication)

Optical filters

Nominal ocular hazard distance

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