复合随机介质中的波传播 WAVE PROPAGATION IN COMPOSITE RANDOM MEDIUM 侯杰昌 Hou Jiechang Zhang Guifu 1 first-author 张贵付 1 武汉大学空间物理系 武汉大学空间物理系 Department of Space Physics, Wuhan Univesity Department of Space Physics, Wuhan Univesity 本文分析了波在复合随机介质中的传播机理,建立了随机波动方程,进而推导出平均场所满足的方程。在抛物型近似和马尔柯夫过程近似下得到等效传播常数的表达式,并讨论了几种极限情况下的结果。 In this paper the mechanism of wave propagation in composite random medium is being analysised. The random equation of the wave field has been established. The equation satisfied by average wave field has been derived. The expression of effective propagation constant is obtained under the approximation of parabolic and Markov process. The results for several special cases have been discussed. 复合随机介质 波传播 平均场等效传播常数 国家自然科学基金(61672102);863计划资助的课题 1989-02-01 2021-04-01 2