This ensures that the LT1999 remains insensitive to the large square wave input common-mode voltages present in these applications.
这确保LT1999不受这些存在大的方波输入共模电压应用所影响。
The time history analysis was carried out in two seismic wave input cases, one with both horizontal and vertical wave input and the other with horizontal input only.
分析时采用两种地震波输入形式:一种是同时输入水平地震加速度和竖向地震加速度,另一种是仅输入水平地震加速度。
The key dominant facts of seismic wave input of time history analysis are discussed briefly in this paper, which are shown as reference for civil engineering designers.
本文简要论述了时程分析中地震波输入的一些关键控制因素,为土木工程设计人员提供参考。
With this method, wave input can be processed directly in different kinds of software by means of one numerical model without assistance from any other professional program.
同时,为简化大型通用软件中地震波的输入,提出了适合于黏性边界条件下水平成层地基中垂直入射地震波的输入方法。
Based on the coupling model of finite and infinite elements for 1-d wave propagation problems, this paper develops a procedure for seismic wave input from the infinite elements.
本文根据文献中提出的求解一维波动问题的有限元与无穷无耦合模型,导出了一种从无穷元与有限元交界面上进行地震波输入的方法。
Numerical simulation of pure mass and dynamic specimens was carried out with step signal input and seismic wave input, respectively. Results validate the effectiveness of this method.
对纯质量和动力试件分别进行了阶跃输入和地震波加载试验仿真,结果验证了这种方法的优越性。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明:所提出的变换器输入电流和输出电压为正弦,谐波小且输入功率因数可控,并可实现零电压换流。
The wave input method for viscous-spring artificial boundary, calculating method of static boundary conditions on the proposed unifiedboundary and their numerical simulation techniques are studied.
研究了粘弹性人工边界上的波动输入方法,给出了粘弹性静-动力统一人工边界上静力边界条件的确定方法;
Representing amortization reference set-up, earthquake wave access and earthquake motion input as well.
探讨了阻尼参数的设置、地震波的选取、地震动方向的输入等问题。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
或者换句话说,脉宽调制是一种调制技术,为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
It reduces the high hypo syntony wave output part included in the converted input current.
减少了变频器输入电流中包含的高次谐波成份的输出。
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过比较输入与输出信号脉冲波形和眼图发现,随着传输速率和传输距离的增加输出信号劣化。
The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.
其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。
In this simulating procedure the measured value of pressure wave from the inlet of injector is used as major input data for prediction of performance.
本模拟过程中利用喷油器进口处的压力波实测值作为性能预测的主要输入数据。
With the seismic wave recorded in Wenchuan earthquake as the input, the centre column of a typical metro station was simulated numerically by the software FLAC3D for its strong seismic responses.
将汶川地震时获得的地震波作为输入波,利用FLAC3D软件对软土典型地铁车站中柱进行强震响应的三维数值模拟。
By comparative analysis, the dependence of the resonant frequency, voltage standing wave ratio, bandwidth and input resistance on different geometric parameters is obtained.
通过比较分析,得到了天线谐振频率、谐振点电压驻波比、带宽以及输入阻抗随不同几何参数的变化规律。
Considering the influence of the input disturbance, a mathematical description of road surface irregularity is established, which is the model of integral white noise and inspire with sine wave.
同时,考虑到路面扰动输入对悬架控制的重要影响,建立出积分白噪声形式的路面不平度数学模型及正弦激励模型。
A new input methods of wave motion dealing with soil-structure interaction is also proposed which can be used to exactly simulate incident seismic wave from any Angle.
文中同时给出了一种结构-地基动力相互作用中地震波动输入方法,可以准确模拟任意角度入射的地震行波的输入。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
研究了这种新型套筒天线的输入阻抗、电压驻波比(VSWR)、增益及辐射方向图等电特性。
It is proved that the saddle point is intrinsic attribute of system during its evolution when 4 sets of ideal sine wave and 3 sets of observed seismic wave are input to the slope.
通过对边坡输入4组理想正弦波和3组实测地震波论证了边坡系统演化过程中的鞍点是系统的固有属性;
Numerical examples prove good accuracy of the artificial boundary conditions and wave motion input method, which can be easily used in study of problems of nonlinear wave motion in layered soils.
数值算例表明,所给出的人工边界与波动输入方法具有良好的精度,可以方便地应用于成层地基非线性波动问题的研究。
The concept of input wave impedance is introduced in order to generalize the developed theory to multi-layer medium cases.
接着引入输入波阻抗的概念,把理论推广到多层媒质的情况。
Input preloading, wave head, welding time, the pressure, welding current parameters.
输入预压、波头、焊接时间、保压、焊接电流等参数。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通过测量后向反射波与入射波的强度比,可以确定介质的三阶极化率。
The system which is test successfully can analysis the frequency spectrum of input signal and export spectrum of the continuous wave or the information in the frequency-time of the pulse.
该系统能对输入信号的频谱进行分析,实时输出连续波频谱或脉冲波的时域频域信息,并已测试成功。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
本发明电路结构简单,输出的交流电的波形为纯正弦波,输出的电压和频率稳定,不会随输入电压和负载的变化而变化。
Due to semiconductor process we must trade off between input voltage standing wave ratio (VSWR) and Noise Figure. In this paper, a balanced LNA is adopted.
由于半导体工艺制程的关系,一般来说低噪声放大器噪声匹配和输入端驻波比匹配是矛盾的。
Finally, the method of wave motion input is established.
最后,建立了相应的波动输入方法。
Finally, the method of wave motion input is established.
最后,建立了相应的波动输入方法。
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