基于分段非线性权重值的Pso算法，包括调制，解调，信噪比计算，粒子图像分割及匹配均为自行编制的子例程。- Based on piecewise nonlinear weight value Pso algorithm, Includes the modulation, demodulation, signal to noise ratio calculation, Particle image segmentation and matching subroutines themselves ar