sound spectrum

the electromagnetic/radio/sound spectrum

电磁波谱；射频频谱；声谱

The envelope of sound spectrum is related to the transfer function of bore.

声频谱包络的特点和音管的传递函数有相应的关系。

The normal spectrum value of gurgling sound in 30 healthy equus in Tianjin area detected using microcomputer ( CYPFX software system).

应用微机CYPFX软件系统，对天津地区30匹健康马骡肠鸣音频谱正常值作了测定。

Analysis of Inharmonic Partials in the Piano Sound Spectrum

钢琴声音频谱中的非谐和分音的分析

The platform of FPGA embedded signal processing based on the idea of software radio is set up to achieve the architecture of system on programmable chip ( SOPC). The time delay estimation model of sound wave spread spectrum system is established with the optimization of algorithm.

在此基础上，结合软件无线电思想，利用FPGA嵌入式数字信号处理平台实现可编程片上系统；建立声波扩频测距时延估计模型，研究数字信号处理优化算法，给出实验结果，分析和讨论测量精度问题。

Sound spectrum and calculation of the bore of Chinese Woodwind Instrument Suo-na

唢呐的声频谱和音管的计算

Standard sound spectrum of low-noise tire and its frequency band conversion

低噪声轮胎标准谱线及其频带转换

According to the method of angular power spectrum for average sound field in shallow water, the transformation relation between arbitrary angle dependence of bottom scattering and the range dependence of long-range reverberation in shallow water homogeneous layer is established.

利用浅海平均声场角度谱分析法，在海底散射的任意角度关系和浅海均匀层远程混响的距离关系之间建立了变换关系。