ABSTRACT
The laser altimeter with infrared/blue–green dual-wavelength output cannot only detect terrestrial terrain, but also near-shore seabed terrain. Therefore, it can be applied to the terrain matching guidance system for cruise missiles. In order to design a missile-borne laser altimeter, it is necessary to accurately determine the performance parameters of the laser altimeter. Based on laser altimetry/bathymetry equations and the output Signal-Noise Ratio (SNR) expression, the digital simulation calculation was used to assess the performance of the laser altimeter. Further, such parameter values could be determined, including peak power, pulse energy, pulse width, pulse repetition rate and so on.
