开关周期平均算子,cycle switch average operator
1)cycle switch average operator开关周期平均算子
1.For the dynamic system of discrete coupled and nonlinear three phase voltage source PWM rectifier, thecycle switch average operator is introduced to transform the discrete system into continuous and the small signal perturbation method is used to transform the nonlinear system into linear, the small signal dynamic mathematical models are set up.针对三相电压型PWM整流器这个离散的、耦合的、非线性的动态系统,引入开关周期平均算子将离散的系统变换为连续的系统,应用小信号扰动法将非线性的系统化解为线性的系统,进而分析系统的小信号动态数学模型。
2)average switching period开关周期平均法
1.Using the method ofaverage switching period an average model of three-phase PWM rectifier (VSR) is set up; separate the disturbance obtained the steady-state model and small-signal model.利用开关周期平均法建立三相电压型PWM整流器(VSR)的平均模型,扰动分离后分别得到稳态模型和小信号模型,其小信号模型即为线性时不变模型。
3)the average model of switch cycle开关周期平均模型
4)average period平均周期
1.Theaverage period of nonlinear autonomous systems is calculated, and it is found that theaverage period of the system almost do not vary with parameters changing .计算了非线性自治系统振荡及混沌运动的平均周期 ,得到其平均周期为一个基本不随参数变化的稳定值 ,并提出了以平均周期为依据快速控制混沌的方法 ,采用参数周期扰动、周期激励和周期脉冲等方法对 2个非线性自治系统的混沌进行控制 ,均达到快速有效地控制混沌运动 。
2.Firstly, we set a barrier to the underlying asset price under the assumption of common Asian options, theaverage period begins at the first time when the underlying price hits the barrier.本文考虑了三个关于亚式期权的定价问题:平均周期是随机的几何平均亚式期权的定价;具有固定执行价格的算术平均亚式期权的定价和具有浮动执行价格的算术平均亚式期权的定价。
英文短句/例句
1.estimated energy average period from spectral density distribution从谱密度分布估算波浪平均周期
2.Average Collection PeriodThe average amount of time required to collect an account receivable.平均收款周期收回应收账款的平均时间长度。
3.Moving Average must have a period that is greater than 1 and less than 256.移动平均数周期必须介于1和256之间。
4.A cow"s estrus cycle averages 21 days.母牛的发情周期平均为21天。
5.The incubation period of this type of hepatitis is relatively short, averaging between 2 to 4 weeks.本型肝炎潜伏期较短，平均二至四周。
6.PERIODIC VARIATION AND LINEAR RISE TREND OF MONTHLY MEAN VALUE OF SEA-LEVEL IN PACIFIC OCEAN太平洋月平均水位周期变化和线性升降趋势
7.The average illuminance over the reference surface at the end of the complete maintenance cycle.灯具在维护周期末期在参考表面上的平均照度。
8.Effects of traffic lights period and application of mean-field theory in two dimension traffic flow红绿灯周期对二维交通流的影响及平均场理论
9.In addition to these scheduled services, an average of 200non-scheduled flights were operated each week.除这些定期航班服务外，平均每周约有200班不定期航班提供服务。
10.Infants are the most cold-ridden group, averaging more than six colds in their first years.婴儿期是最易感冒的时期，从出生到一周岁平均感冒六次。
11.Short Term Forecast of Electricity Price Based on Mixed Autoregressive Moving Average and Hidden Periodic Model;基于混合自回归滑动平均潜周期模型的短期电价预测
12.Unemployment rate, Average annual pay,Weekly earnings失业率,平均年薪,周薪,
13.Moving Average must have a period that is greater than one and less than the number of points in the source data series.移动平均数周期应介于选定系列数据点的数目及1之间。
14.Moving Average must have a period that is less than the number of points in the source data series.移动平均数周期必须小于选定系列数据点的数目。
15.The eigenperiods, for the most part, are influenced by the mean winds in the lowest three scale heights.固有周期在最低的三个大气标高高度上多半会受到平均风的影响。
16.He showed that the average individuats sleep cycle is punctuated with peculiar bursts of eye-movements.他指出，人的平均睡眠周期不时地被眼睛运动的突然发生所打断。
17.During mapping operations, the spacecraft circles Mars once every 118 minutes at an average altitude of 378 kilometres.测绘期间，飞船每118分钟绕火星运行一周，平均高度为378公里。
18.By using the mean values of the periodic coefficients, the approximations of the unstable frequencies are obtained.用周期性系数的平均值法获得了不稳定频率的近似值。
相关短句/例句
average switching period开关周期平均法
1.Using the method ofaverage switching period an average model of three-phase PWM rectifier (VSR) is set up; separate the disturbance obtained the steady-state model and small-signal model.利用开关周期平均法建立三相电压型PWM整流器(VSR)的平均模型,扰动分离后分别得到稳态模型和小信号模型,其小信号模型即为线性时不变模型。
3)the average model of switch cycle开关周期平均模型
4)average period平均周期
1.Theaverage period of nonlinear autonomous systems is calculated, and it is found that theaverage period of the system almost do not vary with parameters changing .计算了非线性自治系统振荡及混沌运动的平均周期 ,得到其平均周期为一个基本不随参数变化的稳定值 ,并提出了以平均周期为依据快速控制混沌的方法 ,采用参数周期扰动、周期激励和周期脉冲等方法对 2个非线性自治系统的混沌进行控制 ,均达到快速有效地控制混沌运动 。
2.Firstly, we set a barrier to the underlying asset price under the assumption of common Asian options, theaverage period begins at the first time when the underlying price hits the barrier.本文考虑了三个关于亚式期权的定价问题:平均周期是随机的几何平均亚式期权的定价;具有固定执行价格的算术平均亚式期权的定价和具有浮动执行价格的算术平均亚式期权的定价。
5)period average周期平均
6)cycle by cycle开关周期
1.Simulation and analysis based on thecycle by cycle switch average model;基于开关周期平均模型的仿真分析
延伸阅读
开关开关kaiguan开关(kaiguan)针灸穴名。出《司牧安驹粼》o牛又称牙关穴，出《抱搜滚》。猪称颊车穴，羊称牙关穴，见《件医针灸手册》。位于颊部，口角后上方咬肌前缘的凹陷处;马在第四臼齿相对的皮肤表面，刺入咬肌前缘，上下臼齿间的颊肌内.有面动、静脉及颊神经分布，牛在第三对臼齿稍后上方，刺入咬肌部，有颊背及颐浅神经和面横动、静脉，以及咬肌动、静脉;猪在第三对臼齿间;羊在咬肌前缘上下臼齿间。左右侧各一穴。用火针、圆利针向后上方刺入，马2一3厘米，羊、猪。.6一l厘米，牛向上方刺入2一3厘米;毫针蒯入马6~9厘米，牛3一4.5厘米，猪1.5一3厘米，羊1厘米。或向前下方透刺锁口。羊、猪还可用艾灸、火烙。具有硫风通络，顺气开胃作用。主治破伤风、牙关紧闭、歪嘴风、颊肿和马颐肌强直、牛咽喉炎、消化不良。(孙永才)
