It analyses the content of a sound and derives the Fourier spectrum. 该曲线分析了声音的构成并推出傅里叶频谱。
In this paper, By use of the holographic theory and Fourier transform spectrum analysis, The impulse response and resolving power of Fresnel digital holography is presented. 本文依据全息理论和付里叶频谱分析,对菲涅尔数字全息系统的脉冲响应和分辩本领进行了理论分析。