Keywords Stand-off air to surface missile;Wavelet transform;Terrain aided navigation;Particle filter;Steerable pyramid;Mathematic morphology;Log polar transform;Singular value character;

• 防区外空面导弹;小波变换;地形辅助导航;粒子滤波;方向金子塔;数学形态学;对数极坐标变换;奇异值特征;