Technique for investigating the sensitivity of ray theory to small changes in environmental data

In order to effectively use a ray tracing model, it is advisable to determine its sensitivity to small perturbations in the velocity of sound. A model to compute transmission loss based on ray theory and using cubic splines for the sound velocity profile (SVP) is presented and its sensitivity is examined. The SVP is perturbed randomly and the mean and standard deviation of the transmission loss is computed.