A novel method for image registration based on phase-correlation is proposed. Firstly, a central patch is cropped on the reference image, then the same size patch is found on the float image, which makes the inverse Fourier transform for the cross power spectrum of the two patches in log-polar representation be a 2-D impulse.
提出了一种新的基于相位相关的图像配准方法：首先在参考图像中心处截取一个小区域图像，然后在待配准图像中寻找一个同样大小的区域，使得在对数极坐标表示下，这两个小区域图像的互功率谱经傅里叶反变换后是一个二维脉冲信号。
Objective To study the respiratory function tests reference values of healthy children in China with impulse oscillometry.
目的探讨国内健康儿童脉冲振荡肺功能的正常参数。
A poly-reference time-domain operating modal identification complex exponential method is presented since cross-correlation functions have the same form as impulse response functions. Then a poly-reference frequency-domain operating modal identification method is proposed in this paper.
本文针对工程实际中的这一情况，首先利用响应间互相关函数同脉冲响应函数在表达形式上的相似性，推导出了多参考点时域工作模态复指数法，继而又从响应间的互相关函数入手，推导出了多参考点频域工作模态识别法。
By this algorithm, the impulse response of an adaptive filter from. an auto-correlation function and cross-correlation function of reference input and primary input is first estimated, and then using singular value decomposition of matrix, the coefficients of the filter is obtained.
该算法先由参考输入的自相关函数及参考输入与主输入之间的互相关函数，估计出自适应滤波器的脉冲响应，然后由矩阵的奇异值分解定理计算滤波器的系数。
In its digital processing circuit, clock chip with high precision and temperature compensation is uesd as reference clock. High frequency reversible counter is used to count trimmed impulse signal forward or backward and two pathes SAW signals are selected timely by multichannel selector.
数字信号处理电路采用高精度、具有温度补偿的时钟芯片作为基准时钟，采用高频可逆计数器对整形后的脉冲信号进行正向或逆向计数，采用高性能的多路选择器控制两路SAW信号的定时选择。
The theme describes the welding technology characteristic of the stainless steel cooling pipe of condenser used automatic impulse argon-arc welding in power plant. This will provide the welding technical reference to use such condenser of thin wall stainless steel and automatic impulse argon-arc welding.
主要讨论了火力发电厂凝汽器不锈钢冷却管采用自动脉冲氩弧焊时的焊接工艺特点，为今后薄壁不锈钢管自动脉冲氩弧焊的应用提供焊接技术参考。
Objective To study the respiratory function tests reference values of healthy children in China with impulse oscillometry (IOS).
目的探讨国内健康儿童脉冲振荡肺功能的正常参数。
The ballistic parameters are measured during the earlier stage of the booster phase. The impact deviation can be predicted based on the difference between measurements and reference trajectory. Thus the azimuth angle and action times of impulse mortars are to be determined.
通过测量主动段前期的弹道参量，比较同一时刻其与基准弹道的偏差量，再估算得到落点偏差，确定脉冲作用方位角和作用次数。
It modulates the reference impulse by user pseudo-random code, and uses analog LMS feedback to obtain the optimal detection template.
采用用户伪随机码调制参考脉冲，通过模拟LMS反馈迭代获得最优的检测模板。
The driving signals are generated by filtering a series of independent white noise sequences using finite impulse response (FIR) filters. The driving signals are updated in every loop until the response spectrums fit the reference ones.
该方法通过构造一组有限冲击响应（FIR）滤波器对独立的白噪声序列进行线性滤波耦合而直接生成驱动信号，在闭环控制中实时修正驱动信号，使得最终响应谱满足参考谱要求。
Performance Analysis of Ultra-Wideband Transmitted-Reference Impulse Radio System With Multiple Pulse Types
多波形超宽带传输参考脉冲无线电系统性能分析
Using this impulse voltage reference device the certification impulse voltage measurement system can be made.
国际比对确认所建冲击电压标准装置不确定度≯%可以开展对冲击电压测量系统的认证。
The signification of establishing impulse voltage reference device is introduced.
介绍了建立冲击电压标准装置的意义和本文研制的装置构成并讨论、分析了测量系统的不确定度。
Establishing of Impulse voltage Reference Device
冲击电压标准装置的建立
The lightning impulse breakdown and steep-front impulse breakdown test of silicone rubber are also performed, which give a reference for other solid materials.
为了配合本课题的研究还做了硅橡胶材料的雷电冲击耐受强度和陡波冲击耐受强度试验，这两个试验对了解其它固体材料的雷电冲击系数和伏秒特性也具有参考价值。
Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics.
更进一步探讨运动学，质点动力学，于加速座标系上之运动行为，功，能量，冲量，动量和质点系统与刚体动力学。
Guided by the theory of signal integrity, the PCB design has been finished, which can provide a certain degree of support and reference function for small impulse radar transmitter system design, and high-speed PCB circuit design.
在信号完整性理论的指导下完成了高速PCB电路的设计，这对小型冲击雷达系统整体的设计以及高速电路设计具有一定的支持和参考作用。
The cross-correlation function of the measuring points relative to reference point was gained by the natural excitation technique, taken as impulse response functions. Then modal analysis was done by ITD method. The structural damage was judged by identification result. 5.
利用NExT法来得到结构各测点相对于参考点的互相关函数，将其当作结构的脉冲响应函数，进而利用ITD法对各种状态下的模态参数进行识别，通过识别结果判定结构损伤。
In this paper an adaptive method for channel equalization in MFL inspection is presented, we selected a channel as reference channel and used finite impulse response (FIR) filters to compensate the difference between the reference channel and other channels.
本文提出了一种漏磁信道的均衡方法，选取一个信道的传输函数作为参考信道传输函数，用FIR滤波器来补偿其它信道的传输函数与参考信道传输函数的差异。
The zero crossing point detection algorithms for reference voltage or current were investigated, and the impacts on detection accuracy caused by sampling frequency, background noise, harmonics and impulse interference were analysed through computer simulations and addressed by a low-pass digital filter.
研究了参考电压或电流过零点的检测方法，通过仿真分析了采样频率、背景噪声、谐波分量和瞬态脉冲干扰对检测准确度的影响，并设计了相应的数字低通滤波器。