为了提高空地图像制导导弹抗干扰能力,在制导图像中加入邮戳,利用已知邮戳图案进行噪声估计,进而按局部统计法滤波去除噪声。实现了在复杂电磁环境下空地图像制导导弹受干扰后图像噪声的去除。仿真实验表明,在一定信噪比范围内,该方法可以去除部分噪声,增加人眼识别目标的几率,从而使在不改变现有硬件前提下提升空地图像制导导弹的攻击效能成为可能。

In order to improve the anti-jamming capability of air-to-ground image-guided missile, indicia were added in the guiding image, the indicia were used for noise estimation, then filtering to remove noise by the method of local statistics. This method achieves to remove noise of air-to-ground image-guided missile in a complex electromagnetic environment. The simulation results show that in a certain signalto-noise ratio (SNR) range, the method can be used to remove part of noise, and increase the probability of the human eye to identify a target, so it can enhance air-to-ground image-guided missile's attack efficiency without changing the existing hardware.