根据扫描所得的电容-时间瞬态曲线,可确定样品中少于产生寿命。
From the Ct transient curve obtained experimentally, the minority carrier generation lifetime in semiconductor can be determined.
应该等待足够的时间,使开关瞬态信号衰减,电流达到稳定,然后再进行测量。
The current should be measured after a sufficient settling time to allow the switching transients to decay and the current to stabilize.
更改'时间依赖'从稳态瞬态。
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis to piezoelectric smart laminated plates, a finite inverse algorithm of the time history about impact loads by piezoelectric modal respondence is presented.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates, an FEM based inverse algorithm of the time history of impact loads by piezoelectric modal respondence is presented.
实验和理论结果表明,管壳的几何形状比封装材料对传感器瞬态响应时间的影响更重要。
Results show that the geometry of the case has more profound effect on the sensor response time than that of the packaging material.
分析瞬态温度场分布随时间变化的关系,讨论了激光辐照对探测器性能参数的影响。
We analyzed the variation of temperature with time, and construe the effects on parameter of detectors irradiated by laser.
与当前典型的基于感觉熵的频域瞬态检测方法相比,具有时间分辨率高、准确和算法简单等优点。
When compared with the typical perceptual entropy detecting on frequency domain, it has some advantages, such as higher time resolution, more accuracy and simple algorithm.
瞬态响应差的系统往往在时间上把这些声音弄的模糊不清,因为喇叭没有能力停止和开始得足够快来准确的重现这些信号。
A system with poor transient response tends to blur these sounds over time, due to the speaker's inability to stop and start quickly enough to react to the signal accurately.
瞬态响应其实是精确度与时间的函数,而不是频率的函数。
Transient response is actually a function of accuracy in relation to time rather than frequency.
此外,由于响应时间可以缩短到毫秒级,所以可用于测量细胞的瞬态、突发性变化(如细胞分裂、死亡等)。
Moreover, the sensors were able to detect the transient mutation in cells(such as, the mitochysis and death of cell)because of the response time shortened to microsecond.
振动力场的引入,有利于缩短充模时间,提高瞬态模腔压力。
Introduction of vibration force field is beneficial to shorten, filling time and increase transient cavity pressure.
联合时频分析可以更直观、更全面地了解脉冲信号在传输线任意时间和任意位置的瞬态变化。
The joint time-frequency analysis provides more direct and comprehensive knowledge of the transient variation of pulse signals at any time and any point of the transmission line.
结果表明,质量松弛时间是影响快速瞬态质量传递规律的重要因素,质量扰动浓度及扰动方式等对快速瞬态质量传递规律也有一定影响。
The results indicate that mass relaxation time has important influence on the mass transfer process. Mass disturbance concentration and manner also have some effect on it.
研究了受色高斯噪声驱动的肿瘤细胞增长系统的瞬态态性质(平均首通时间T)。
The transient properties(mean first passage time T)of the tumor cell growth system driven by color Gaussian noise are investigated.
实验结果与理论预期相当符合,并据此探讨了带尾对发光瞬态响应时间的影响。
The experimental results agree well with the theoretical predictions, and on this qasis, the effect of bandtailing on the transient response time of spontaneous emission Is discussed.
本文介绍了用短时傅立叶变换分析瞬态诱发耳声发射方法,并给出了其时频分布的实验结果,分析了其各个频率成份出现的不同时刻及持续时间。
This paper introduces the method of analyzing TEOAEs by short time Fourier transform and gives the experiment results of time frequency distribution, then we analyze each frequency component.
详细分析了电荷泵的动态工作特性,给出了电荷泵电压上升时间及瞬态电流与电路的关系。
Charge Pump dynamic analysis is analyzed, where the relationship between the voltage rising time and transient current to circuit is given.
介绍了瞬时频率的概念和瞬态谱的小波包计算方法,并结合时间域模拟信号给出了其时频分布。
The conception of transient frequency and calculation method of wavelet packet are introduced, and time frequency distribution about simulation and actual seismic signals is given.
该系统不仅能测量柴油发动机的瞬态油耗和转速,而且可定时间或定质量测量发动机的稳态油耗。
The system can measure not only the instantaneous fuel consumption but also the steady fuel consumption of the engine on the basis of fixed time and fixed mass.
当气体流量突然降低时,在段塞流的瞬态变化过程中则会出现短时间的分层流。
When gas flow rate quickly decreases, there will appear a short period of stratified flow in the transient process of the slug flow.
弱光放大达到准稳态之后的下降过程为瞬态能量转移的时间指数衰减过程与光散射引起的能量耗散的共同贡献。
The decrease of the amplified light intensity after the steady-state is due to the decreases of the transient energy transfer with time and the energy dissipation caused by the beam fanning.
对数模转换器的差分线性、镇定时间以及开关瞬态幅度等动态指标直观迅速的进行评价。
It immediately appraises dynamic target which are difference linear, catch time and glitch of DAC.
结果表明,瞬态浓度场具有低维混沌特征,其脉动信息熵时间序列也是混沌的。
The results are demonstrated to show that the instantaneous concentrations have low-dimensional chaos characteristics, and the information entropies are also chaos.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on the modal analysis of piezoelectric laminated plates, a FEM based inverse algorithm is presented for the time history of impact loads by piezoelectric modal response.
瞬态时间分辨谱测量方法的关键技术:设计和研制了专用于时间分辨谱采集分析的光束调制器。
The key technology of measuring time-resolved spectrum is to design and make the special light beam modulator that is used to the time-resolved spectrum detecting.
柔性结构在快速定位过程中容易产生长时间的瞬态振动而影响定位速度和精确度,因此必须对其进行主动控制。
Flexible structures can have a long transient vibration when positioned quickly, which is harmful to their positioning speed and accurate tracking ability.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates a finite element inverse algorithm for identifying the time history of impact loads from piezoelectric modal responses is presented.
与传统的FFT相比极大熵谱法具有频率分辨率高,适于短时瞬态数据处理,而且能给出振动幅值与频率和时间三者的关系。
Compared with traditional FFT method, MESE not only has higher resolution but also fits the processing of transient data, so, it can show the relation of amplitude to both time and frequency.
与传统的FFT相比极大熵谱法具有频率分辨率高,适于短时瞬态数据处理,而且能给出振动幅值与频率和时间三者的关系。
Compared with traditional FFT method, MESE not only has higher resolution but also fits the processing of transient data, so, it can show the relation of amplitude to both time and frequency.
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