| 1. | A fourier analysis method for discontinuous time series for pressure
时间不连续压力序列的傅立叶分析方法 |
| 2. | A characterization of pseudo almost periodic functions in fourier analysis
伪概周期函数在傅立叶分析中的特征 |
| 3. | Presently the way of study the echolocation calls of bat is localizated in traditional fourier analysis
目前对蝙蝠回声定位信号的研究方法主要局限于传统的傅立叶分析。 |
| 4. | Therefore wavelet analysis is called a microscope of signal analysis and a milestone of fourier analysis
因此，小波变换被誉为分析信号的显微镜，傅立叶分析发展史上的一个新的里程碑。 |
| 5. | Wavelet theory more excellent in wiping off yawp of steady signal and unsteady signal than conventional ftp theory
小波理论对平稳信号及非平稳信号的消噪处理比传统的傅立叶分析更优越。 |
| 6. | The suggested method avoids the phase unwrapped process based on fft and overcomes the difficulties using iterative methods
该方法克服了傅立叶分析方法的相位去包裹过程以及迭代算法计算量大的缺点。 |
| 7. | As a new type of analytical tool , wavelet transform has good localized performance on both time field and frequency field
小波分析作为一种新型分析工具，在时域和频域同时具有良好的局部化性质，比傅立叶分析更为精确可靠。 |
| 8. | Wavelet analysis is a new mathematic method which has developed rapidly in recent years . it is regarded as a breakthrough of fourier analysis
小波分析是近十几年发展起来的数学理论,它被认为是傅立叶分析方法的突破性发展,具有对信号强大的时频分析能力。 |
| 9. | Abstract : according to the method of limited fourier analysis , the author approaches the real cam by means of n times frequency wave method , and imitates a certain of cam in good performance with the method
文摘:采用有限傅立叶分析的方法，用n次谐波法去逼近真实凸轮，且利用这种方法，仿制某一性能良好的凸轮。 |
| 10. | To do so , astronomers resort to fourier analysis , a mathematical technique that allows them to break a complex curve into a set of simple ones called sine waves
为了达到这个目的，天文学家们采取了傅立叶分析方法? ?这是一种数学研究方式，它允许天文学家们将一个复杂的曲线图分解位一些叫做“正弦波”的简单曲线。 |
