太赫兹脉冲谱和成像技术应用于药物片剂的无损检测特性,沈耀春教授,利物浦大学(英国)
Non-destructive characterisation of pharmaceutical tablet using terahertz pulsed spectroscopy and imaging, Prof. Shen Yaochun, The University of Liverpool(UK)
因此许多学者提出了各种求解反问题的方法,比如脉冲谱方法,最佳摄动量法,蒙特卡罗方法,各种优化方法和正则化方法等。
So various methods are proposed by scholars to solve these problems, such as pulse spectrum method, the best perturbation method, Monte Carlo method, optimized and regularization method.
本文针对求解二维波动方程的参数问题,利用有限元方法把波动方程反问题转化为有限元反问题,并利用脉冲谱技术,即一个迭代过程进行求解。
In this paper, for solving the parameter problem of two dimensional wave equation, the method of Finite Element and the Pulse Spectrum Technique, i. e. the iterative process are used.
讨论了脉冲激励幅值以及系统阻尼等对冲击谱的影响规律。
The regular pattern of influence on impact spectra by amplitude of pulse excitation and system damping was discussed.
论文按照国家标准设计不同车速下平顺性随机输入及脉冲输入下虚拟行驶试验,并在设计过程中编制了试验所需的路面谱生成程序。
According to the national criterion: Method of random input running test and Method of pluse input running test, the virtual road tests on the vehicle ride comfort are designed.
用常规脉冲极谱法、线性扫描和循环伏安法等研究该体系的电化学行为。
The electrochemical behavior of this system was studied by the methods of normal pulse polarography, linear sweep and cyclic voltammetry.
由于其高效率,该谱仪尤其适用于超短飞秒脉冲激光产生等离子体的实验研究。
Owing to its high efficiency, it is especially suitable for the experiments of ultrashort femtosecond pulse laser produced plasmas.
给出一种用于核磁共振谱仪的脉冲场梯度单元的详细设计。
The design of a pulsed field gradient unit for USES on NMR spectrometers is discussed.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
交流阻抗谱结果显示在双向脉冲充电下,锂电极的表面积增长较直流充电时缓慢。
The results of the impedance measurement show that the surface area increases much slower in bipolar pulse current charge process than that in DC charge process.
文中提出了一种采用相干脉冲雷达的杂波功率谱模型并结合SIRP法产生相干k分布海杂波的方法,对以往的模拟方法作了改进。
The simulation model of coherent correlation K-distributed clutter using SIRP, with the modeling of coherent pulsed radar clutter, is presented in this paper and simulated on computer.
本文讨论的是脉冲多普勒气象雷达信号处理技术,重点研究了谱矩估计和解模糊算法。
This thesis discusses the signal processing methods of Pulse Doppler (PD) weather radar, mainly studying Spectral Moments (SM) estimators and Range-Velocity (RV) ambiguity resolution methods.
在加速度反应谱一致的前提下,研究了近断层速度脉冲的工程特性。
Under the condition of acceleration response spectrum being consistent, the engineering properties of near-fault velocity pulse are studied.
对采用高频CO2激光脉冲写入的新型长周期光纤光栅的透射谱进行了理论分析。
The transmission spectrum of a novel long period fiber grating written with the high frequency CO2 laser pulses is theoretical analyzed.
为了研制数字化核谱仪,研究了一种用于数字多道脉冲幅度分析的梯形成形算法。
A trapezoidal shaping algorithm was studied for digital multi-channel pulse height analysis in a digital nuclear spectrometer.
计算了输出脉冲的垂直谱位移,并将其作为刻线夹角的函数进行了分析。
The vertical spectrum displacement in the output pulse is calculated and shown quantitatively as function of the Angle between the grooves.
研制了一个带并联短路支节的超宽谱双极脉冲转换器并给出其工作原理和波过程分析。
A converter of ultra wide spectrum bipolar pulse with a parallel connected short circuit transmission line is designed.
研究结果表明,群速度色散(GVD)对大啁啾脉冲的影响很小,谱宽对自聚集的影响可以忽略。
The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored.
结果表明,在堆积脉冲的强度谱中存在一系列分立的频率边带,这些频率边带对强度起伏有贡献。
The results show that there are several separated frequency sidebands in the intensity spectrum of the stacked pulse, responsible for the intensity fluctuation.
窄带运转的脉冲幅度接近宽带运转,这意味着由于谱线压窄引起的能量损耗不大。
The pulse amplitude of narrow band operating approaches to that of broadband operating, it means that, the energy loss caused by narrowing spectrum is only a few.
介绍了一种应用于脉冲快热中子分析技术中的新解谱方法。
A new method of data processing used in pulse fast thermal neutron analysis technology is introduced.
用微分脉冲极谱法研究了烷基紫精及聚紫精的电氧化还原行为。
Electroredox behaviour of alkyl viologens and polyviologens has been investigated by using differential pulse polarography.
借助于向量李雅谱诺夫函数,通过建立一个新的比较结果,研究了具有固定时刻脉冲的控制系统的实际稳定性。
Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.
文章介绍了脉冲中子氧活化能谱测井的测量原理、测井工艺及该技术在江苏油田应用情况。
This paper briefly describes the measuring theory and operation process of pulsed neutron oxygen activation spectrum logging, and introduces the application of this technology to Jiangsu Oilfield.
本文简要介绍了用于激光共振电离质谱实验的低噪声脉冲放大器的设计思路、实现的要点及其测试结果。
This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer.
射频(RF)信号收发器是MRI谱仪的重要组成部分,它负责MR 信号的接收和RF脉冲的调制发射。
RF signal transceiver is an important component of MRI spectrometer. It is responsible for the receive of MR signal and the transmit of RF pulse.
本文对光子晶体光纤扩谱产生的超连续光学频率梳的脉冲-脉冲相位相干性进行了实验研究。
In this paper we reported an experimental study of the pulse-to pulse phase coherence of an PCF generated super-continuum.
利用数字式局放测量系统获取了大量放电谱图和放电脉冲波形。
Using the digital PD measuring system, plenty of related patterns of discharges and discharge oscillograms are obtained.
该研究表明,梯形成形很好地符合核谱仪的脉冲成形要求,通过针对具体情况优化参数设置,易于满足不同应用的需求。
The results also show that the algorithm fulfils the pulse shaping requirements of the nuclear spectrometer with optimal parameter settings for different applications.
该研究表明,梯形成形很好地符合核谱仪的脉冲成形要求,通过针对具体情况优化参数设置,易于满足不同应用的需求。
The results also show that the algorithm fulfils the pulse shaping requirements of the nuclear spectrometer with optimal parameter settings for different applications.
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