利用Blackman窗函数对工频信号进行加窗FFT后校正计算出基波和谐波的幅值、频率和初始相角。-Blackman window function using frequency signal windowed FFT is calculated after the correction of fundamental and harmonic amplitude, frequency and initial phase angle.

空间数据扩边以后做fft并在频率域延拓，可用于求重磁异常-expansion of spatial data and FFT， in the frequency domain extension can be used to find the gravity and magnetic anomalies

基于28335的复合频率分辨器，用于对复合频谱的分析，应用全相位FFT算法-28335-based composite frequency discriminator for the analysis of complex spectrum, using the whole phase of the FFT algorithm

对时间序列做傅里叶变换得到频谱区。分析频率-Time series do Fourier transform spectral regions. Frequency Analysis