| 1. | Random wave - theory analysis of layered soil sites under p - and sv - wave excitations
波作用下层状土层随机波动分析 |
| 2. | New exact solutions and complex wave excitations in - dimensional generalized nozhnik - novikov - veselov system
系统的新严格解和复合波激发 |
| 3. | Exact jacobian periodic wave and solitary wave excitations for higher - order nonlinear schr dinger equation
高阶非线性薛定谔方程的精确周期解和孤波解 |
| 4. | Furthermore , the development of electromagnetic flowmeter with low frequency rectangular wave excitation is finally selected as the emphasis of research through analyzing the advantages and disadvantages of the different kinds of electromagnetic flowmeters
电磁流量计的设计分析了不同种类的电磁流量计的优缺点,最终选择低频矩形波励磁电磁流量计为研究重点。 |
| 5. | The method using square wave excitation presented by the paper is verified by theories and experiments that the method meets the requirement of accuracy , and this method ' s application simplifies manipulations and improve greatly the calibration efficiency
其中本文提出的方波信号激励的比较校准法，理论和实验证明不仅满足校准精度要求，而且简化操作，大大提高了校准的效率。 |
| 6. | In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer
在吸收前人研究成果的基础上，文中提出了工作用压电加速度传感器校准系统应用方波信号激励，同时应用快速傅立叶变换( fft )的方法来实现比较法校准。 |
| 7. | In the course of exploiting the system hardware , we adopt the low frequency sine wave excitation technology whose frequency is alterable , and scheme out the new signal conversion & amplifying circuit , the new lcd circuit and the new system anti - interference circuit
在系统硬件电路的开发中，我们采用了频率可调的低频正弦波励磁技术，并设计出新颖的信号转换放大电路、液晶显示电路和系统抗干扰电路。 |
| 8. | In the area of elasto - plastic dynamic analysis of frame with friction energy dissipation , the design - oriented nonlinear seismic response time history analysis method for frame with friction energy dissipation has been set up . and the corresponding program idaff is developed using visual c + + language ; the analytic solution of a single - damped - story braced frame with friction energy dissipation under the sine wave excitation has been give ; besides these , a vibration reduction analysis of multi - story frame with friction energy dissipation has been given in the paper and some useful conclusions have been drawn
在摩擦耗能框架结构弹塑性动力分析方面，本文建立了面向设计的摩擦耗能框架结构非线性地震反应时程分析方法，并利用vc + +编制了相应的程序idaff ；给出了带有摩擦耗能器的有阻尼单层框架在正弦波激励下反应的解析解；同时本文从多自山度的角度出发对摩擦耗能框架的影响因素进行分析，得出相关的结论。 |
