The method of white noisesimulation on road roughness based on rational function is analyzed with its disadvantages pointed out.
对基于有理函数的路面不平度白噪声激励模拟方法进行了分析，指出了该方法存在的不足。
2
A boundary element model is established, making use of the ANSYS. In the noisesimulation SYSNOISE is applied to get estimable simulation results of aircraft noise close to ground.
The JSOP Program Management Office is utilizing Alion’s research and simulation expertise in night vision, ammunition, accessory power, material replacement and noise/flash suppression.