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the maximum相关的网络例句

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If all the flows getting into the system were constrained by the leaky-bucket parameters, the maximum cell delay and the buffer content bound were got when the capacity of the crosspoint was enough, and the maximum cell delay and the buffer capacity bound which can guarantee the maximum cell delay were also got when the content of the crosspoint was not enough.

在各数据流都由令牌桶参数约束的条件下,得到了交叉点缓存容量足够大情况下的最大信元时延和缓存临界容量大小,还得到了交叉点缓存容量不足够大情况下的最大信元时延以及保证信元具有时延上界的缓存临界容量大小。

Maximum model values are found for the channel matrix Hi of each user and for each column vector of the matrix, position information of the matrix is transmitted to a transmitting terminal, the transmitting terminal reconstructs the amplitude of each element of the column vector after receiving the position information, and phase position is quantized, wherein, after reconstruction, the amplitude of the element with the maximum model value is larger than that of other elements of the column vector, and a quantized angle of the element with the maximum model value is smaller than that of the other elements of the column vector; c.

对每个用户的信道矩阵Hi,对该矩阵的每个列向量,找出其最大模值,将其位置信息发送给发射端,发射端收到后对该列向量各元素的幅度进行重构,相位进行量化,其中最大模值的元素重构后其幅度大于该列向量其余元素的幅度,其量化角度小于该列向量其余元素的量化角度;c。

In principle, the maximum sharing limit for the petty sharing system shall be calculated by the month, that is, the total amount that is taken according to needs each month must not go beyond the maximum limit; the maximumsharing limit of the large sharing system shall be calculated every half year, that is, the total amount that is taken according to needs every half year should not go beyond the maximum limit.

原则上要求,小额共享制按月计算最高共享限额,即每月按需取用的总额累计不能超过最高限额;大额共享制按半年计算最高共享限额,即每半年按需取用的总额累计不能超过最高限额。

ABSTRACT Aiming at problems of trans-vector controller in a vehicle-carried induction motor such as variable rotor and stator resistance following motor temperature, and their inductance varying with flux saturation degrees. Firstly, CSI and VSI are introduced, for CSI, it can hold the advantages both FOC and DTC using stator flux directional, PI parameter and simulation are also introduced. Secondly, equations of IM in the synchronous rotary frame and its static counterpart, as figuring in the saturation condition of magnetic field, are dealt in this paper and the simulation results are presented. Thereafter, the parameter designing of PI trans-vector controller is processed, which features the non-linear model. In practical realization, as neglecting the dynamical change of motor inductance, this paper employs online modification of inductance parameters, according to the flux saturation, then transforms the non-linear equations into linear ones, and so compacts the structure of controller. Thirdly, in view of the maximum torque output is extraordinary requisite when Electrical Vehicle start up, accelerate, and overtake, this paper issues the maximum torque when both inverter and battery capacity is corporeally definite. Fourthly, on-line differentiating and analyzing both rotor's time constants and its flux by using the expanding order reduction and discrete Kalman filter equation are fathomed, in order to realize high-performance trans-vector algorithm, and also the simulation results are presented. Fifthly, the close-loop regenerative brake system, when the EV's torque is set constant, is deduced; at the same time, unification of electric drive model and brake model is executed. Combined with maximum charge current demands, the mathematical model for online yielding torque as a demand.

本论文针对车载异步电机在矢量控制器所遇到的问题:定转子电阻随温度变化及随电机饱和程度变化的转子电感及定子电感而影响电机调速性能提出一套完整的解决方案:分析了电流型逆变器和电压型逆变器在实现矢量控制时控制器参数的计算,分析出对于电流型逆变器在采用定子磁场定向时,其性能同时具有矢量控制和直接转矩控制两者的优势,并对电压型逆变器在转子磁场定向下的模型进行了仿真研究;建立异步电机非线性模型,推导出考虑磁饱和时异步电机在同步旋转坐标系及静止坐标系下的方程,并做出了仿真结果,建立异步电机在非线性模型下的矢量控制调节器的PI参数设计,在实际应用中,若忽略电机电感的动态变化,可以根据当前的磁路饱和状态而在线修正电感参数,从而将非线性方程线性化,降低控制器的复杂度;考虑到电动汽车在起动和加速超车时需要电机有最大转矩输出,本文讨论在逆变器容量一定和电池供电能力有限的情况下电机最大转矩输出问题;推导了异步电机扩展降阶、离散卡尔曼滤波方程在线辨识转子时间常数和转子磁通,用于实现高性能的矢量控制算法,并给出了仿真结果;推导出了电动汽车恒转矩给定的闭环回馈制动系统,实现了电动控制模型和制动模型的统一,而且结合铅酸电池最大充电电流的要求,为制动转矩在线给定建立了数学模型;设计了基于双DSP系统的高性能矢量控制器软硬件框图,并以大量实验数据说明矢量控制在电动汽车应用的实际应用状况。

The results show that there will be slight decrease of the control efforts when the mean absolute value or the root mean square value of the optimal control force is taken as the maximum designed control force, while the maximum control force of MR damper can be decreased by 85% compared with the maximum optimal control force. The decrease in the designed control force can not only significantly increase the capability of MR dampers, but also reduce the dimension of MR dampers for pratical application in engineering.

研究表明,当设计值取最优控制力的平均绝对值或均方根值时,MR阻尼器的最大控制力比最优控制力的最大值降低了85%,而控制效果降低不多,可以满足对结构的控制要求;降低最大控制力设计值后,不但可以充分发挥MR阻尼器的出力性能,而且可以缩小MR阻尼器的设计尺寸,便于工程应用。

Using the 294cc rotary engine, it can influence the maximum rpm and power of the engine output under the terms of using all kinds of length intake. Then it can find out the best length of intake of the rotary engine. In addition, under the terms of space limit of intake, it can influence the maximum rpm and power of the engine output when the intake is forced to limit on a certain length. To install a resonance in the intake system, according to the equation of Helmholtz, it can design the all kinds of size of the resonance. Using to change the volume and geometirc form of the resonance, it can find out the maximum rpm and horsepower of engine output in order to reduce the influence of the variation of engine intake length. Under the verification of the experimental result, this simple device can increase the rpm and horsepower of the rotary engine obviously to achieve the output performance that the engine requires to supply. Such the revisal of intake need the lower cost but it can obtain very obvious efficiency. It is a very feasible way.

藉由一具294cc的飞行器引擎,在使用各种不同长度进气道的条件下,对引擎所能输出的最大转速及马力有一定的影响,藉此找出该具引擎的最佳进气道长度;此外,在进气道因空间限制的前提下,进气道被迫只能局限某个长度以下时,在这种条件下,引擎所能输出的最大转速与马力等相关性能会随之受到影响,在进气系统加装一个共振腔,配合Helmholtz的方程式,设计出各种共振腔各部位的尺寸,利用改变共振腔的体积与几何形状,可以寻求增加引擎转速与输出马力的最大值,藉此降低进气长度变化所带来的影响,在实验结果的验证下,此一简单的装置可以明显的增加引擎转速与马力,以达到对引擎所需的输出性能要求,这样的进气系统修改所需的费用极低,但却可获得很明显的功效,是十分可行的方式。

The amount of drainage in 1998-1999 was caudated by the equation, the average was 149.4mm, the maximum value was 197.5mm and the minimum was 93.1mm, coefficient variability was 2.9%. The average amount of drainage in 1999-2000 was 286.4 mm, the maximum value was 391.9 mm and the minimum was 193.9 mm, the maximum value was two times than minimum value, and CV was 6.4%.

通过上面建立的关系式,计算得到了1998-1999年10个小区的渗漏量,其平均值为149.4mm,最大值为197.5mm,最小值为93.1mm,变异系数为2.9%。1999-2000年的渗漏量平均值为286.4mm,最大值为391.9mm,最小值为193.9mm,最大值约是最小值的2倍,变异系数为6.4%。

The main characteristics include: the quiet Sun corona has a rapid response to the flare heating, within 2 second the corona temperature increases nearly one order of magnitude, but later such increase becomes very slowly; the downward velocity at early stage of impulsive phase is too small to be negnected; chromospheric evaporation made by conduction shows some intensely, the maximum evaporated velocity may be as large as 1000 km/s; the chromospheric condensation appears just when the chromospheric evaporation takes place and its place always coincide with that of transition region in the early stage; the maximum of chromospheric condensation occurs also in the early stage of impulsive phase, at which the density in condensation may be larger two order of magnitude than that of surround and the downward velocity may be as large as 100 km/s; after the maximum of chromospheric condensation, its strongth decreases gradually but its width becomes greater with time and have a tendency to transport into deep chromosphere; the front of chromospheric condensation heats atmosphere obviously and the temperature in the chromospheric condensation is higher than the original case; the downware velocity of transition region may be greater than 100 km/s at the early stage; when the evaporated material collide at the top of loop, the densityand the presure there increase rapidly, which result in the formation of a shock wave; and so on.

在改善色球辐射损失和精确分辨过渡区的基础上,通过联立求解连续性方程、动量方程和能量方程,构造了一维磁限制性耀斑环在热沉积作用下的大气动力学模型,获得了耀斑热模型下脉冲相早期较为细致的大气演化理论图象,其主要特征是:耀斑对宁静日冕的加热相当迅速,仅2秒钟日冕温度增加即达一个量级,之后日冕温度增加缓慢;脉冲相早期日冕向下速度很小,几乎可以忽略,热传导驱动色球蒸发,其过程较为激烈,蒸发极大速度可达到1000km/s;色球压缩区与色球蒸发几乎同时形成,且在早期其位置总是与过渡区位置重合;色球压缩极大发生在脉冲相早期,其时密度可高于周围约2个量级,向下速度可超过100km/s;色球压缩极大后,其强度逐渐减弱,但宽度明显增大,且渐渐脱离过渡区往色球传播;压缩区内物质温度要高于原先的大气温度;过渡区下降在脉冲相早期相当迅速,可超过100km/s;当蒸发物质在环顶高速相碰时,环顶的密度、压力迅速增大,且温度也有所增加,导致形成激波,其波面以每秒上百公里的速度自环顶向下传播;在脉冲相前期,日冕软x辐射对色球的加热作用可以忽略;等。

Results 1.After treated by:program freezing,the maximum load of the allografts has no evident decrease and the cell activity of allografts was preserved well,the frozen hurt after program freezing was more slight than -80℃ deepfrozen,2.No evident reject reaction can be seen during the healing process after deep frozen and the reject reaction declined as the time pass by.3.Three weeks afer the allografting,there was no significant difference between the two al lografting groups in maximum load(P>0.05),Eight weeks later,the maximum load of the group that was preserved by liquid nitrogen after program freezing(76.60±4.67)N was better than the group that was preserved by -80℃ deepfrozen(75.99±4.20) and similar with the autografting group(76.72±2.55).4.The healing process and histological behavior of the two deepfrozen groups are similar with the autografting group,and the program freezing group is better.

结果 a经程序冷冻液氮保存方法处理后,髌腱的最大载荷无明显下降,细胞活性得到了较好的保存,组织学观察冷冻损伤较-80℃深低温保存方法轻微;b程序冷冻液氮保存处理的移植物在术后未表现明显的排斥反应,且免疫反应随时间的推移而下降;c移植后3周,各组移植物的最大载荷无显著差异(P>0.05),移植后8周,程序冷冻液氮保存组移植物的最大载荷(55.87±1.86)N优于-80℃深低温保存组(52.14±2.79),而和自体移植组相近(57.70±2.76)N;d从组织学观察看,-80℃深低温保存组和程序冷冻液氮保存组移植后的愈合过程均和自体移植组相似,而程序冷冻液氮保存组的愈合过程和组织学行为更接近于自体移植组。

The measurement results show that the general characteristics of the present crustal stress field of the project area are as follows: the horizontal principal stress is the maximum principal stress, and the preferred orientation of the maximum horizontal principal stress is NW-WNW, the maximum principal stress of surrounding rocks of the plant buildings and high-pressure branch tunnel area is generally 14.5±0.5 MPa and the minimum principal stress is 9±0.5 MPa; the dead oad-bearing capacity of surrounding rocks is 10—14 MPa; and the surrounding rocks are essentially impermeable at high pressures of 8—10 MPa.

测量结果表明,工程区现今地壳应力场的总体特征为:水平主应力为最大主应力,最大水平主应力的优势方向为NW-NWW向;厂房和高压岔管区围岩的最大主应力值一般为14.5±0.5MPa,最小主应力值一般为9±0.5MPa;围岩自身的抗载强度一般为10~14MPa;在8~10MPa高压力作用下围岩基本不透水。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。