查询词典 parameter variable

Suppose that the local source of traffic demand of the intersection is a stochastic variable of known parameter. An optimal control assignment model of the link of the dynamical transportation network flows of stochastic system is founded. Allowing for the construct of the model, based on the objective function of the link is transformed to based on the objective function of the intersection in order to solve it.

假设交叉点的局外入流是某已知参数的随机变量的情况下，建立了目标函数基于路段的随机系统最优的动态交通网络流分配的最优控制模型，充分分析该模型的结构，将该模型的目标函数转化为基于交叉点的目标函数，以便于求解该问题。

Parameter of optimized trajectory and variable structure with sliding modes control theorem are used to construct sliding surface, obtain a new tracking trajectory guidance law.

利用基准优化弹道参数和滑模控制思想，构造滑动面，提出了一种新的弹道跟踪制导规律。

The first parameter of ReadFile is the handle of the file to read, the second is the pointer to the memory block to hold the data, next is the number of bytes to read from the file, the fourth param is the address of the variable of DWORD size that will be filled with the number of bytes actually read from the file.

ReadFile的第一个参数是要读的那个文件句柄，第二个参数是存放数据的内存块指针，下一个成员是从文件中读取的字节数。第四个参数是DWORD长度的地址变量，这个成员存放从文件中实际读取的字节数。

To five-parameter camera model, we discuss how to compute the intrinsic parameters, pose and motion parameters of the camera from 5 control points and their image points when the camera intrinsic parameters are unknown and variable during the motion.

针对五参数摄像机模型，讨论了摄像机在运动过程中其内参数是未知的且可以发生变化时，如何通过5个控制点以及它们的图像点，来求解所对应的内参数、方位以及运动参数。

Distribution region of EDZ and mechanical behaviors of rock mass are further evaluated by using damage model, and the result shows that damage variable is 0.6-0.8 for damaged zone, 0.4-0.6 for affected zone and 0.2-0.4 for slight affected zone. Finally, the slope excavation softening factor is introduced to Hoek-Brown empirical strength criterion, based on the deficiencies of using Geological Strength Index to estimate the rock mass mechanical parameter of EDZ.

对应实测开挖扰动区的分布范围和形状，可以近似确定开挖损伤区岩体的损伤值约在0.6~0.8以内，卸荷影响区岩体的损伤值约在0.4~0.6以内，轻微扰动区岩体的损伤值约在0.2~0.4以内；由此基于Hoek-Brown经验强度准则，引入开挖弱化因子，结合地质强度指标GSI，进行开挖扰动区岩体力学参数研究。

In this paper, according to the equation of voltage vector of single-phase motor operating at symmetrical condition, author presents a new voltage-vector PWM method of variable frequency control for single-phase motor. In system, the voltage vector is used as a control parameter.

本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式PWM变频调速控制方法，并进行了计算机仿真及制作了单相变频器。

In order to study dehumidify performance of variable frequency dehumidifier,transducer and performance test system were used to make dehumidifier work at different frequency and monitor dynamic parameter.

利用变频器和性能测试系统分别对除湿机进行变频调速控制和动态参数监测，从而研究变频除湿机的除湿性能。

The rate of contribution of various edaphic physical parameters is different from parameter of soil water infiltration model in different soil texture and husbandry condition, so independent variable factor and priority are different in regression models.

在不同的土壤质地和不同的耕作条件下，土壤的各种物理参数对土壤的水分入渗模型参数影响程度不同，因此引入到回归模型中的自变量因子不同，引入的先后次序不同。

Parameter PID control strategy fitting for variable velocities and loads was proposed, and the control system's model was established. The control strategy was simulated in MATLAB environment, and the results proved the tracking trajectory of three kinds of gaiting, i.e.

针对控制系统能够适应不同路况的要求，设计了一种适应负载、速度变化的变参数PID控制器，并建立了控制系统模型。

In the chapter 7, a new type of highly reliable and multifunctional hydroturbine microcomputer-based governing system is studied and developed; the structure design principle of microcomputer-based system is described and discussed; based on the adaptive control strategy with optimized PID parameter, a combined control strategy of frequency and phase with variable weighting factor is presented; in the design of hardware and software, the fault diagnosis, fault tolerance and fault avoidance techniques are adopted, and the suitability and reliability are greatly improved.

第七章研究开发了一种新型的高可靠多功能水轮机微机调节系统，论述了微机系统的结构设计原理，在适应式PID参数优化调节控制策略的基础上，提出了机组空载运行时的变权系数频率和相位综合控制策略；在微机调节控制器的硬软件设计中，全面应用了故障诊断技术、容错处理和避错处理技术，大大提高了整个系统的适应能力和可靠性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。