To predict the subnational spatial variation in the number of people infected with Schistosoma haematobium in Burkina Faso, Mali and the Niger prior to national control programmes.
预测在开展国家控制项目之前布基纳法索、马里和尼日尔的埃及血吸虫感染患者中的国内分区空间变量。
Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.
目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。
Simulation results show that the system has better control performance and estimation effect, but the influence of parameters variation on speed estimation error is evident.
仿真结果表明该系统有较好的控制性能和辨识效果，但参数变化对速度辨识误差有明显的影响。
The mechanical analysis and the trimming were performed for a novel near space aircraft which uses the variation in wind speed at high altitude to control its flight path.
对一种利用高空风的风速差控制飞行轨迹的新型低能耗临近空间飞行器，进行了力学分析与配平计算。
Repetitive control is used to reduce voltage distortion under nonlinear loads and instantaneous feedback control is designed to quicken the dynamic response process under abrupt load variation.
系统利用重复控制抑制非线性负载下的电压畸变，利用瞬时值反馈控制加快负载突变时的动态响应过程。
METHODS We could find which variation was the significant variation by the analysis of variance so as to define the quantitative analysis and quality control.
方法通过对变异的分析，可以发现哪种变异是显著的变异，从而为质量分析和控制变异指明了方向。
The optimization requires the minimization of the vertical overload at the pilot′s seat, the attitude variation and the control energy consumption under the gust disturbance.
优化性能指标要求在阵风扰动下驾驶员处法向过载、飞机姿态变化以及控制信号能量损耗最小。
The optimization requires the minimization of the normal acceleration overload at the position of pilot, the attitude variation and the control energy consumption under gust disturbance.
优化性能指标要求在阵风扰动下驾驶员处法向过载、飞机姿态变化、以及控制信号能量损耗最小。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法，用瞬时无功功率和励磁电流变化来估计电机转速。
When the variation of bus-bar voltage and frequency occurs, the reliability of electric motors, transformers, control and protection system is analyzed in this thesis.
当电网电压和频率的变化时，分析了电动机、变压器、控制及保护系统、照明系统、通信导航设备等受电器工作的可靠性。
In the voltage correction the voltage variation of tie-line nodes is considered and is added into the traditional secondary voltage control as the feedback.
在电压校正中，考虑了区域联络线节点的电压变化，并以此作为反馈添加到传统的二级电压控制中。
They applied a complete set of tools to reduce and control the variation in the poorly performing processes and greatly improved the effectiveness and efficiency of those processes.
他们应用一整套工具减少和控制效果差的过程，大大改善了这些过程的效果和效率。
Test results have shown the accuracy of control, the flexibility of energy control and the broad adaptability to the variation of environment.
最后通过实验验证了系统的控制精度、能量控制的灵活性及对外界变化的广泛适应性。
The formation process, dynamic variation, deciduous causes of oxide film of work roll are analyzed, and the control methods have been put forward.
分析了氧化膜的形成过程、动态变化及脱落原因，并提出了控制方法和措施。
Direct torque control has been applied widely due to its simple arithmetic, quickly dynamic-response and well robust to the variation of parameter.
由于直接转矩控制具有算法简单、动态响应迅速、对参数变化鲁棒性强的特点，至今已经得到了广泛的应用。
And fuzzy control can be well adapted to parameter variation while the steady-state error is inevitable.
模糊控制能够很好地适应参数变化，却不可避免稳态误差的存在。
By using the variation assimilation method and the optimal control method, theoretical analyses of the maximum population capacity and the inherent growth rate for the population model is presented.
研究人口的阻滞增长模型，采用资料变分同化方法及最优控制的技巧，从理论上对模型中的最大人口容量和固有增长率进行最优确。
Due to the different dynamic characteristics of turbine and boiler responding to load variation, their coordination through the control system is essential.
汽轮机和锅炉响应外界负荷变化的动态特性不同，要求控制系统必须很好地协调机炉两侧的动作。
What control Climate Variation and Future Change of Tropical Storm days?
什么因素控制着热带风暴日数在过去和未来的变化？
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。
For the control of shunt APF (Active Power Filter), feedforward is an effective way to track the load variation, but accurate models and parameters are demanded.
在并联型有源滤波器的控制过程中，前馈控制能够快速跟踪负荷波动，但需要精确的模型和参数。
By taking account of nonlinearity, time variation and unsteadiness of idling process in engines, this paper studies the application of fuzzy control theory in the idling speed control.
考虑到发动机怠速工作过程的非线性、时变性和不确定性，研究了模糊控制理论在发动机怠速控制中的应用。
The cell delay variation (CDV) between the source traffic point and UPC control point has a significant impact on the resource allocation, CAC and UPC control in an ATM network.
源流量点和UPC控制点间的信元延迟变化（CDV）对ATM网络的资源分配、CAC和UPC控制都有着重要的影响。
The results show that the flying qualities are most sensitive to variations of the longitudinal control effectiveness and the moment of inertia besides a little to variation of the lift curve slope.
结果表明，飞行品质对操纵导数及惯矩的变化最灵敏，对升力线斜率变化呈一定的灵敏度，而对其它参数变化则不太灵敏；
Combining the qualitative knowledge and quantitative mathematical information of system, the approach provides good control over the nonlinear time varying system with wide variation of parameters.
该方法充分结合系统的定性知识和定量数学描述信息，实现了参数大范围变化时变系统的良好控制。
The DVR with one-cycle control can offer better compensation while the voltage variation extent is less than 30% and can restrain harmonics in power source as well.
在电压变化范围不大于30%时有较好的补偿效果，并对电源谐波有一定的抑制作用。
Influenced by joining the primary frequency modulation and the coal quality variation, the new problems were faced to the large generating sets steam temperature control.
受参与一次调频和煤质波动的影响，大型机组汽温控制面临新的考验。
Influenced by joining the primary frequency modulation and the coal quality variation, the new problems were faced to the large generating sets steam temperature control.
受参与一次调频和煤质波动的影响，大型机组汽温控制面临新的考验。
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