| 1. | The later stood for measurement spectra and the former for background and noises
前者代表有用的分析信号而后者代表背景和噪声。 |
| 2. | ( 4 ) signal intergrity is discussed to avoid high speed signal distortion when designing the hardware
( 4 )通过分析信号完整性理论,解决高速信号在pcb设计中的失真问题。 |
| 3. | At first , analyze structure of gpr and signal characteristic in order to search for signal process algorithm
通过分析信号特点,寻找信号处理方法,详细研究了几信号处理方法。 |
| 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. | So this paper is used wavelet transform method to analyze signals and extract features in them , then classify them by neutral network
为此本文采用了小波变换分析信号、提取特征值，并用神经网络对信号进行分类。 |
| 6. | Therefore wavelet analysis is called a microscope of signal analysis and a milestone of fourier analysis . as a new embranchment of mathematics
因此，小波变换被誉为分析信号的显微镜，傅里叶分析发展史上的一个新的里程碑。 |
| 7. | Wavelet transform has the ability of denoting local signal characteristics , so it is fit to analyzing instantaneous and fantastic phenomena and can lay out signal components
小波变换具有表征信号局部特征的能力，适于分析信号中的瞬态和奇异现象，并可展示其成份。 |
| 8. | An experimental system was set up to generate the impact force , measure the response signal , and analyse the frequency spectrum for physical property detection of biological product
摘要建立了一个能产生激励力、获取生物物料响应信号和分析信号频域特性的试验系统。 |
| 9. | Secondly , the power density spectrum is calculated from fft and the units " behavior is analyzed in the frequency domain ; the waterfall form for the start up process is plotted
运用fft求取功率谱,分析信号的频域特性,绘制启动过程瀑布图;分析尾水管压力脉动对机组轴系的激励作用 |
| 10. | Using fft and wavelet package analysis theory , the abrupt fault signals detection for power systems on amplitude and frequency is also mentioned to advance the wavelet mra signal detection approach . 2
结合fft技术，利用小波包分析给出了一种电力信号幅值突变和频率突变故障的检测方法，改善了小波多分辨分析信号检测方法的不足。 |
