高度特性 meaning in Chinese

altitude characteristic
altitude response
height characteristic

In the paper , the composing and characteristic of railway line noise is introduced , and the characteristic of the frequency , the velocity , the distance and the height of the railway line noise is analyzed , which establishes the foundation for controlling the railway line noise
摘要介绍了铁路线路噪声的组成以及特点，并且分析了铁路线路噪声的频谱、速度、距离以及高度特性，为今后铁路线路噪声的治理研究奠定了基础。