From the pull mechanism, the indirect inducing coefficients of total output and added value of China by exports increase, while the derived inducing coefficients decline. 从拉动机制看,出口对总产出和增加值的间接诱发系数增大,引致诱发系数却在下降;
An improved control algorithm is introduced for an indirect vector control AC speed regulating system. The feedback gain of the sliding mode controller ′ s output is adjusted based on the fuzzy reasoning. 针对滑差频率型矢量控制交流调速系统,基于模糊推理在线调整滑模控制器输出中的前馈系数,提出一种改进控制算法。
The effects include direct, indirect, and induced economic benefits to an area, which can be identified in terms of multipliers of output, gross domestic product ( GDP), employment throughout the affected area. 拉动作用主要表现为公路建设投资所产生的直接、间接和诱导经济效益,其总和为公路建设投资的乘数效应,可分别用产出乘数、GDP乘数和就业乘数来测算。
Using the theories and methods of sliding mode control, the variable structure controllers are designed to control chaos in DC-DC Buck converter by means of direct and indirect control. Some desired output voltages are obtained using this control method. 根据滑模变结构控制原理和方法,通过直接控制和间接控制两种途径,设计相应的控制器,实现了Buck变换器中的混沌控制,使输出电压稳定到期望值。
An evaluation method and a mathematical model for indirect economic loss of flood damage are presented in this paper. According to the region of floodplain, the input output table is constructed. 根据洪灾区灾后经济运行发展状况,从综合评价角度,提出了洪灾间接经济损失评估的方法及数学模型。
To reduce torque ripple and achieve higher performance in very low speed range, indirect torque control method is realized in a dual-DSP control platform and improved by considering the influence of the stator resistance variation on the voltage vector output. 为了减少异步电机低速时转矩脉动并达到较高的性能,一种考虑了定子电阻变化对输出电压影响的改进间接转矩控制方法在双DSP平台上实现了。
The sediment discharge of rivers with cultivated waste land of dry farm, population density are indirect proportion, it with forest cover degree, per capita output of grain are inverse proportion. 河流输少量与旱坡耕地垦殖率、人口密度成正比,与森林覆盖率、人均占有粮食成反比。
To avoid the performance degeneration caused by model approximation used in indirect reduced controller design methods, motivated by the static output feedback controller design methods, given order optimal dynamical output controller design methods are discussed. 为避免间接法设计降阶控制器的模型近似引起的性能下降,本文在静态输出反馈控制器设计的基础上,直接设计了线性不确定系统的给定阶混合H2/H∞动态反馈控制器。
The paper establishes the conceptual model of trade's impact on environment according to the double layer structure of environmental-economic system, that is, the direct and indirect effect on the environment subsystem from input and output of environmental and economic kinds of goods and services. 根据环境经济系统的双层结构建立了贸易对环境影响的概念模型,即贸易通过环境类、经济类物品和服务的输入输出,对环境子系统直接或通过经济子系统间接产生影响;
The indirect factors included the proportions of educated population, industrial population, 0~ 4-year-old children and total output of industry and agriculture. 有间接作用的因素为有文化人口比例、工业人口比例、0~14岁人口比例、人均工农业总产值。
In the first part, the main tasks are to test the direct, indirect and mediation relationship between innovative output and FDI. 第一部分,研究创新产出与FDI之间的直接模型、间接模型和调制模型。
The problem existing in wire feeding control circuit of CO 2 semiautomatic electric welder is analysed and one small thyristor indirect output circuit with high stability and efficiency is developed. 分析了CO2半自动焊机送丝控制电路存在的问题,研究了一种高稳定性,高效率的小晶闸管间接输出电路。
By introducing an approximate system, a simple indirect adaptive control method is presented for tile control of a class of nonminimum phase nonlinear systems. The output tracking performance is analyzed, and the upper bound of the output tracking error is given. 针对一类非最小相位的非线性系统,通过引入一个近似系统,提出了一种简单的间接自适应控制方法,并分析了采用该方法后系统输出的跟踪性能,给出了输出跟踪误差的上限。
The indirect mode of input processing predicts that a male may store RSC inputs in his memory and retrieve such information later on to modify his output ( e.g., sperm investment or copulatory behavior) accordingly. 间接的输入信息处理模型预测,雄性个体可能在它的记忆中储存与RSC相关的的输入信息,并在其后使用这些信息以调节其输出(例如,精子投资或交配行为)。
Indirect matrix converter is a new topology of matrix converter with high quality input/ output waveforms, high input power factor and high power density. It is very suitable to drive induction motor and realize high performance AC drives. 间接式矩阵变换器是一种新型的矩阵变换器拓扑结构,其具有高质量的输入、输出波形,高功率因数等特点,很适合用于驱动异步电机,实现高性能的交流调速。
Multi-drive system based on indirect matrix converter with high quality input/ output waveforms, high power density and high compact, is very applicable in adjustable speed drive system of AC motors. 基于间接矩阵变换器的多机传动系统结构紧凑、功率密度大,并且系统的输入输出性能优良,适用于交流调速。
For a class of second-order nonlinear time-varying systems with random initial repositioning errors, both direct and indirect fuzzy ILC are established to achieve complete tracking of system output within a pre-specified time. 考虑任意初始定位误差条件下的一类二阶非线性时变系统,设计直接、间接模糊迭代学习控制器,实现系统输出在预先指定时间内的完全跟踪性能。
In order to reduce steady-state error and improve output waveform, indirect control of current with closed loop is employed. This strategy actually is controlling amplitude and phase of output voltage to control var current. 为减小稳态误差和改善输出波形,文章采用电流间接闭环控制策略,通过调节主电路逆变器输出电压幅值和相位来间接控制无功电流。
However, under the binocular indirect ophthalmoscope fundus image capture and output problems, fundus examination results can not be recorded, has been the method described by drawing the saved data, the lack of objectivity of the results. 但是,由于双目间接检眼镜下眼底图像的采集与输出困难,眼底检查结果无法记录,一直以来采用画图描述的方法保存资料,缺乏客观性结果。
Indirect adaptive fuzzy controller which uses universal approximation property of fuzzy systems through online adjustment adaptive parameters can guarantee the convergence of the PMSM output to the given signal. 间接自适应模糊控制器利用模糊系统的万能逼近特性,通过在线调整自适应参数确保永磁同步电机的输出渐近收敛于给定的参考信号。