The equation of laser communication system range and the multi-wavelength conversion technique are used to calculate the maximum detection range under different meteorologic conditions. A new algorithm was proposed for solving the communication range implicit function equation. Using this algorithm, it is possible to obtain the accurate arithmetic solution quickly. When the communication range implicit function equation is solved, the atmospheric transmittance can be determined as the function of range. The multi-wavelength atmospheric extinction coefficients obtained from calculation by using the neural network conversion model were substituted into the equation for solution with linear interpolation and iteration methods. And the numeric method was adopted to estimate the iteration initial value. The result shows that this algorithm is useful for simulation, model building, and design of multi-wavelength military laser system in different seasons and atmospheric conditions.%利用激光通信距离方程和多波长激光大气传输反演技术,计算分析了多波长激光在不同气象条件下对目标的最大通信距离,提出了一种用于求解通信距离隐函数方程的新算法.该算法在求解通信距离隐函数方程时,明确了不同工作波长激光的大气透过率是距离的函数;然后,利用神经网络反演模型计算得到多波长激光大气消光系数,并代入隐函数方程进行线性插值和迭代求解;最后,采用简化的数值计算方法对迭代初值进行预测.仿真结果分析表明:该算法能够快速地得到精确数值解.
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