傅里叶级数多谱
fourier series ployspectra
广义傅里叶级数
generalized fourier series
时变傅里叶级数
time-varying Fourier series
time-varying Fourier coefficients
time varying Fourier coefficients
多重傅里叶变换
multiple fourier transform
空间傅里叶重构
spatial Fourier reconstruction
热重－傅里叶变换红外光谱
thermogravimetric analysis-Fourier transform infrared spectroscopy(TG-FTIR
thermogravimetric analysis-Fourier transform infra
热重-傅里叶变换红外光谱分析
thermogravimetric analysis-Fourier transform infrared spectrometer
热重–傅里叶红外光谱
thermogravimetric analyzer-Fourier transform infrared
thermo gravimetric-Fourier transform infrared spectroscopy