1) no load step index
空载阶跃指标
2) no-load step peculiarity
空载阶跃特性
1.
This paper details the no-load step peculiarity simulation,which uses the Jingmen electric power plant 6 genetor as an example,analyses the influence from avr parameter on the generator no-load step peculiarity,this study mainly aims at choosing a correct mathematical model in the excitation system medeling.
文章在PSASP中以荆门电厂6号机组为例进行了空载阶跃特性仿真,分析了调压器参数各个环节对发电机空载阶跃特性的影响,目的是为励磁系统建模中选取正确的数学模型提供直接的指导意义。
3) step load
阶跃载荷
1.
Elastic-plastic dynamic response mechanism of a variablecross-section cantilever beam subjected to step load;
阶跃载荷作用下变截面悬臂梁的弹塑性响应模式
2.
Deformation mechanism and energy dissipation of an elastic-plastic cantilever beam subjected to step loading;
阶跃载荷作用下弹塑性悬臂梁的变形机制与能量耗散
3.
The thermal transient behaviour of the thrust bearing under a step load was studied by use of one-dimensional adiabatic thermal model.
用一维绝热模型研究了滑动推力轴承在阶跃载荷冲击下的热瞬态行为。
4) step load
阶跃荷载
1.
Through simultaneously considering geometric non-linear and material non-linear,the dynamic responses of single-layer spherical latticed shells subjected to harmonic loads and step loads were researched respectively,and the most unfavorable dynamic loads of the structure were analyzed.
同时考虑了几何非线性与材料非线性,分别对简谐荷载、阶跃荷载作用下的单层球面网壳进行了最不利动荷载分析:通过变换简谐荷载的频率和阶跃荷载的持时,明确了结构动力响应与其自振特性及荷载频谱特性之间的关系,确定了何种条件下的荷载为结构最不利动荷载。
2.
This paper mainly focuses on dynamic response analysis of single-layer spherical shells subjected to harmonic loads, step loads and earthquake excitation, thereafter some important conclusions are drawn, such as those about the most unfavorable loads, the collapse type and the failure mechanism.
本文以跨度40m、50m、矢跨比为1/5、1/7四种K8型单层球面网壳结构为例,同时考虑几何非线性与材料非线性,对网壳结构进行了简谐荷载、阶跃荷载及地震作用下的结构最不利荷载分析。
3.
The method to study the dynamic stability of frame structure by time-history analysis is discussed in this paper,and an example for a frame under step load is given.
讨论了利用时程分析研究动力稳定性的具体思路和分析方法,通过算例分析得到了阶跃荷载作用下框架结构动力稳定临界荷载,并研究了阻尼对动力稳定性临界荷载的影响规律。
5) step load
阶跃负载
1.
Use the throttle speed governing system with by-pass oil way in which the hydraulic cylinder was the executive as research object in this thesis , the trial research about the effect on the pressure p1 of the hydraulic cylinder chamber without piston-rod when series-connecting throttle or timing valve on the by-pass oil way under the step load changing have made.
通过试验研究得出系统在不同的流量阀开度、不同溢流阀限定压力下，给系统施加不同的阶跃负载信号，液压缸无杆腔压力p_1的动态变化规律。
2.
Used the metering-out control system in which the hydraulic cylinder was the executive element as research object in this thesis, the experimental research about the effect on the pressure P1, P2 of the hydraulic cylinder chambers when series-connecting throttle valve or governor valve on the return oil-line under the step load changing have made.
通过试验研究得出系统在不同的流量阀开度、不同溢流阀调节压力(进口压力)下，液压缸两腔压力P_1、P_2随阶跃负载变化的规律： 当出口节流调速系统的回油路上串接节流阀时，随阶跃负载的增加，在相同流量阀开度、相同溢流阀调节压力的情况下，液压缸有杆腔压力P_2(t)的超调量是减小的，上升时间、峰值时间以及调整时间也是减小的；液压缸无杆腔压力P_1(t)的超调量是增加的。
6) step calibration
阶跃标定
1.
This paper discusses the three-frequency-point sine-wave calibration and step calibration and presents a new fast calibration method combining both of above calibration methods,it is pracitical.
讨论了宽频带地震计三点正弦波标定和阶跃标定,并将两种方法结合起来形成快速标定新方法,该方法具有一定的实用价值。
2.
First apply Fourier Transform to the step calibration response waveform and then deduct the frequency spectrum.
对阶跃标定电流的响应波形进行傅立叶变换(FFT)和扣除阶跃信号频谱的运算获得地震计的幅频特性;从稳态正弦标定电流的响应波形可直接提取幅频特性,然后用高斯牛顿迭代法拟合出地震计传递函数的各个系数。
3.
The damping and frequency of seismometer is obtained by using the step calibration function.
利用地震观测系统中的阶跃标定响应记录 ,在频域基于阶跃信号的幅频特性确定地震计的阻尼常数和自振周期。
补充资料：电量阶跃法
分子式：
CAS号：
性质：在开路情况下将很短的电流脉冲(如0.1～1μs，它只能引起双电层的充电)施加于电解池，要求脉冲有固定的电量，脉冲形状可不考虑。记录脉冲之后电极电势随时间的变化，这是在开路的条件下由充入的固定电量引起的电极反应，故可避免欧姆电阻及非法拉第电流的干扰。对电势响应进行解析，可求得电极反应的各种参数，该法的电极标准速率常k0值测定上限可达约0.4cm·s-1。
CAS号：
性质：在开路情况下将很短的电流脉冲(如0.1～1μs，它只能引起双电层的充电)施加于电解池，要求脉冲有固定的电量，脉冲形状可不考虑。记录脉冲之后电极电势随时间的变化，这是在开路的条件下由充入的固定电量引起的电极反应，故可避免欧姆电阻及非法拉第电流的干扰。对电势响应进行解析，可求得电极反应的各种参数，该法的电极标准速率常k0值测定上限可达约0.4cm·s-1。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条