| 1. | The hydrodynamics in the used frequency domain were calculated based on 3 - d green ' s integral equation method 采用三维格林积分方程法计算水动力系数的频域特性。 |
| 2. | In awgn ( additive white gaussian noise ) channel , we introduce a new single - tone interference suppression scheme in the single - tone interference environment 针对加性白高斯噪声信道中的发射信号,提出了利用单音信号频域特性的单音干扰抑制方法。 |
| 3. | 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。 |
| 4. | 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 |
| 5. | Clock recovery is an important and difficult part of tdm access , so the thesis will emphasize on it . and two methods of clock recovery are proposed in the thesis 然后,本文对同步时钟统计恢复法进行了分析,推导出了时钟信号低频抖动的时域和频域特性公式,并利用matlab对低频特性进行了仿真分析。 |
| 6. | In this way multiple features are extracted according to the characteristics of structure , frequency domain and matrix speciality . these three features can well describe the characteristics of seal image 这样从结构特性,频域特性和矩阵代数特性三方面出发提取了多特征,能够很好并全面的反映印鉴图像的特性。 |
| 7. | In most studies , in order to simplify the physical treatment , the laser beam is usually treated as a plane wave and normal incidence is supposed when its transmission through a fpf is considered 对于光脉冲通过法布里一拍罗滤波器后的时域和频域特性己有不少报道,然而我们注意到,在这些研究中激光通常被当作平而波。 |
| 8. | Firstly , we introduce the radar equation of weather radar , the basic principles of detection weather targets , the time and frequency domain properties of weather radar echo and its simulation methods 首先简要介绍了气象雷达的雷达方程、气象雷达探测气象目标的基本原理、气象目标回波的时域频域特性和气象回波信号的模拟方法。 |
| 9. | The wavelet transform is an important tool in the domain of mathematic and signal processing . the wavelet transform has excellent time and frequency feature , which has a progressive application in image edge detection 小波变换是一种强有力的数学和信号处理工具,它的时频域特性决定了它在图像的边缘检测中具有很好的应用前景。 |
| 10. | Waveform analyzer is one of the most important signal measuring instruments , which can accurately analyze the characteristics of the signal in time - domain and frequency - domain . it can also analyze the relativity characteristics of the signal 波形分析仪是最重要的信号测量仪器之一,可以对信号时域特性、频域特性以及相关特性作高精度分析。 |