In order to make the track loop into lock quickly, the paper USES FFT spectral analysis to get fine frequency.
为了让跟踪环路快速入锁，这里还采用了FFT谱分析法对频率进行精捕。
Discrete fast Fourier transform (FFT) has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.
离散快速傅里叶变换算法在频谱分析中得到了广泛的应用，这种算法得到的计算结果是在整个频段上的频谱信息。
Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.
传统语音信号谱特征的提取是基于FFT 的能谱分析方法，在噪音环境情况下，对噪音的频谱成分与语音信号的频谱成分的处理采用“平均主义”的原则。
The main algorithm of spectrum analysis are the base 2 FFT and the spectral calibration that can be detected in the two standards to the location within the wavelength calibration achieved.
光谱获取的算法主要由基2- FFT和光谱标定实现，光谱标定是通过在可探测波长内取两个标准位置来计算中心波长准确位置的。
The main algorithm of spectrum analysis are the base 2 FFT and the spectral calibration that can be detected in the two standards to the location within the wavelength calibration achieved.
光谱获取的算法主要由基2- FFT和光谱标定实现，光谱标定是通过在可探测波长内取两个标准位置来计算中心波长准确位置的。
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