低空飞行目标辐射噪声的阵列接收数据仿真  

Simulation of Array Receiving Data for Low-flying Targets Radiate Noise

作　　者：马保宏[1] 孙超[1] 唐建生[1] 荣英佼[1] 

机构地区：[1]西北工业大学声学工程研究所,陕西西安710072

出　　处：《计算机仿真》2006年第10期31-35,共5页Computer Simulation

摘　　要：通过设计一套软硬件系统实现了阵列接收到直升机辐射噪声的仿真。通过设定目标运动参数、阵元位置参数、环境参数及目标类型参效,此仿真系统可以对特定的直升机仿真产生在指定飞行轨迹和指定环境下阵列接收到的数据。仿真系统的环境参数包括真实环境中的温度、湿度、噪声级、风速、风向等方面,从而可以在最大程度上逼近真实环境。该仿真系统仿真出来的数据在很大程度上可以代替外场实验的实测数据,从而节省了大量的人力和物力以及大大缩短了科研周期。Simulation of array receiving helicopter radiate noise is achieved by designing a system including hardware and software. By setting parameters of target movement, parameters of array position, environment parameters and parameters of target style, the simulation system can simulate the data, which is received by array and produced by specific helicopter under specific environment and given flight route. The environment parameters of the simulation system include temperature, moisture, noise level, wind velocity, the set of the wind and so on, therefore it can approximate real environment as far as possible. The data simulated by the simulation system can replace outfield experimentation data mostly, so it can economize large numbers of manpower and material resources, and shorten research period.

关 键 词：直升机声场 仿真模型 时变时延 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]