A new approach for decreasing the amplitude characteristic deviation of Gaussian filter in surface roughness measurements is presented. 提出了一种减小表面粗糙度测量用的高斯滤波器幅度传输特性偏差的新方法。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth. 基于海杂波散射机理,深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method. 本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
Object digitization manner for amplitude frequency characteristic of FIR digital filter FIR数字滤波器幅频特性的对象数字化方法
The tester for frequency characteristic, which is also called frequency-sweeping instrument, is used to test amplitude frequency characteristic and phase frequency characteristic of the quizzed network. This is one of all basilic test instruments in electronic area. 频率特性测试仪也称扫频仪,用于测量被测网络的幅频特性和相频特性,是电子领域中常用的设备之一。
The AVA inversion equation of multiwave in TI media has been set up on the basis of amplitude characteristic equations. 进一步根据所建立的TI介质多波振幅特征方程导出了TI介质中多波AVA反演方程。
Through the study on amplitude characteristic curve, the optimum design of sliding boots on datum beam is presented to ensure the best attenuation capability of the beam to pavement fluctuation interference. 通过对基准梁的幅值特性曲线的研究,给出基准梁滑靴的最优设计,以保证基准梁对地面波动干扰最佳的衰减能力。
In this paper, some of failure signals in rotor of generator are analyzed by making use of complex wavelets based on amplitude frequency characteristic, it is shown that it is an effective method in fault signal analysis in power system. 利用基于幅频特性的复值小波变换,对发电机转子部分故障信号进行了分析,显示了基于幅频特性的复值小波变换的电力系统故障信号分析方法,是一种有效的方法。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections. 其中阶梯型全倾角偏移既能有效地消除交叉干扰,又能保持大倾角反射波的振幅特性。
This paper studies the fatigue enhancement mechanism of the super-Gaussian amplitude distribution characteristic. 针对可靠性强化试验的全轴随机振动环境的超高斯幅值分布特性开展其疲劳强化机理研究。
The amplitude frequency characteristic and phase frequency of the filter is analyzed. 分析了滤波器的幅频特性和相位特性;
Taking amplitude characteristic equation of the transversely isotropic media as the theory basis, the paper inverted P wave velocity, S wave velocity, density and anisotropic coefficients with joint multiwave AVA data. 以TI介质中的振幅特征方程为理论基础,进行多波AVA联合反演纵、横波速度、地层密度和地层各向异性系数。
The Application of Excel to Amplitude Frequency Characteristic Analysis Excel在系统幅频特性分析中的应用
Frequency response characteristic and amplitude response characteristic have been measured. 测量了幅度响应特性和频率响应特性。
The multiwave amplitude characteristic processing includes AVO trace gathering, AVo-AVA conversion, AVA curve fitting and attributive section output. 多波振幅特征处理包括AVO道集形成及AVO到AVA的转换、AVA曲线拟会及属性剖面的产生。
The expression of the frequency characteristic of the T absorbing circuit is given in this paper, and the calculated result of the amplitude frequency characteristic based on computer is given, too. 给出了T型吸收电路的频率特性表达式及计算机对其幅频特性的模拟结果,并与简单LC串联电路的特性进行了比较。
Method for Obtaining System Transfer Function Based on Open Loop Logarithm Amplitude Frequency Characteristic 基于开环对数幅频特性求系统传递函数的方法
The amplitude characteristic of this filter is directly proportional to k~ n ( k is wavenumber). 该滤波器的振幅特性与波数k的n次幂成正比。
A new algorithm to adjust the amplitude and phase angle of sampled data for microprocessor based relay is presented. The amplitude frequency characteristic and phase frequency characteristic of this algorithm are also analyzed. 提出了一种对微机型继电保护装置采样数据进行幅值和相位校正的新算法,并且分析了该算法的幅频和相频特性。
Decreasing the amplitude characteristic deviation of Gaussian filter in surface roughness measurements 减小表面粗糙度测量高斯滤波幅度偏差
Method A bio impedance measurement system based on four electrode method was developed to extract the amplitude characteristic and the phase characteristic of tissue impedance. 方法研制一种四电极法阻抗测量系统以提取不同组织阻抗的幅度和相位特性。
On the basis of the digital seismographic record of Changchun seismic station, the amplitude spectrum in different epicentral distance was calculated and the amplitude frequency characteristic of the main seismic phase was analysed preliminarily in this paper. 依据长春地震台数字测震资料,计算了不同震中距地震波形的振幅谱,并对主要震相的频率特性进行了初步分析。
So the linear combination of the two Gaussian approximation filters may reduce the amplitude characteristic deviation greatly. The most amplitude deviation of a simple combination filter consisting of two approximation filters is about 0.11%. 用这两种不同逼近滤波器的并联方法构成的一个简单的线性组合滤波器,去逼近高斯滤波器的幅度传输特性,其幅度传输特性的最大偏差只有0.11%。
The method of amplitude forced characteristic point can make sequence interface more obvious and intuition. 振幅强化特征点方法使层序界面的特征更明显、更直观,更益于层序的划分及界面识别。
Sup-harmonic, sub-harmonic, harmonic, combination harmonic response, amplitude frequency characteristic and the behaviors of bifurcation and chaos are studied. 研究了系统超谐、亚谐、谐波、组合谐波解,幅频特性和分岔、混沌特性。
This text introduces the designing method of the digital frequency characteristic instrument for laboratory. This tester is based on the DDS and the MCU in the medium frequency scope, and describeds hardware and software designing of swept signal source and amplitude frequency characteristic detection in detail. 本文介绍了基于DDS和MCU,适用于实验教学的数字频率特性测试仪的设计与实现方法,详细叙述了该仪器中扫频信号源以及幅频特性测试部分的硬件设计和软件设计。
Include: Waveform, Amplitude characteristic and Frequency characteristic of response in AC sine wave excitation; Waveform of response in square impulse excitation; Temperature characteristics of response in AC sine wave excitation. 主要包括:交流正弦激励下响应的波形、幅值特性和频率特性;方波脉冲激励下的响应波形;交流正弦激励下响应的温度特性。
The two-cascaded Gaussian approximation filter, with the amplitude characteristic deviation less than 1% and the zero-phase-shift characteristic, is a novel approximation method. 对于由此而得的二级高斯近似滤波器,其最大幅度偏差小于1%,并且也具有零相移的特点。这是高斯滤波器又一种新的逼近实现方法。
By using the network thermodynamics model, we can improve the confidence of the drug 'permeation through the skin with separating the time characteristic parameters and amplitude characteristic parameters. 3. 采用网络热力学模型后,将经皮渗透率的时间特性参数与幅度特性参数可以有效地分离开来,以提高药物经皮渗透的评价置信度。