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That is the speed identification and the rotor flux estimation scheme of the sensorless vector control, and realization ways of the carrier pulse width modulation, and the dead time compensation scheme.

即无速度传感器矢量控制的速度辨识和磁通观测、载波型PWM方法实现、死区时间补偿方案。

The switches V1, V2, V3 and V4 are modulated, there are four operating modes A, B, C and D. Under each mode the scheme is equivalent to a fly-back scheme.

交换机V1导联，系列V2版本， V3和V4的调节，有4种工作模式为A， B ， C和D下，每一个工作模式该计划是相当于一次飞回来的计划。

In comparison with the scheme with a separate surge tower, the scheme of surge tower type forebay has the advantages of saving the costs, occupying less land and avoiding interference with the high voltage transmission line.

通过比较表明，调压塔式前池比调压塔方案具有节约投资、少占地、免与高压输电线路相干扰等优点。

Meanwhile it proves the local property of four-point subdivision scheme, which provides the theory foundation for 3D garment simulation and interactive design using four-point subdivision scheme.

同时，本文还推导出四点细分曲面的局部修改性，为采用四点细分曲面进行三维服装模拟和交互式设计提供了理论基础。

A technique based on lifting scheme is presented to construct the compactly supported wavelets whose coefficients are composed of a free variable. When t=1, the integer wavelets based on lifting scheme only use integral addition and shift, so it's fast and easily realized via hardware.

在理论上，基于提升理论构造了一种包含自由变量t的紧支撑小波，选取参数t=1的9/7整数小波基，只需要整数加法和移位实现，运算量低，便于硬件实现。

Using the fluid mechanics theory, the Gauss filtration governing equations are presented based on the incompressible Navier-Stokes equation in primitive variables, which are discretized using standard third-order accurate Galerkin finite element scheme in space and discretized using finite differencing scheme in time.

为了考证数值模拟结果的正确性，对水泥在圆弧弯管中的气力输送气固两相流动采用了等速取样和等截面法进行了三种工况的试验研究。试验结果表明，竖直上升弯管出口颗粒浓度在弯管外侧脊线附近颗粒浓度特别高，其余部分相对比较均匀且浓度较低。

The optimal scheme is gained by taking the generalized distance as objective function and the scheme performance requirements as constraint conditions.

该模型定义了方案功能载体间的广义距离，以广义距离函数作为方案组合优化的目标函数，以方案的性能要求作为约束条件进行优化并获得方案的最优解。

A mathematic model of combined scheme optimization design is put forward, that defines the generalized distance among scheme function carriers.

提出了方案组合优化数学模型。

Multi-group signature scheme can be regarded as a kind of generalized group signature scheme.

多群签名方案是对普通群签名方案的一种推广。

In this paper, an effective attack scheme is proposed, and two factors that a secure group signature scheme should possess was given.

本文提出一种有效的攻击方案，并给出安全群签名方案的应具备的两个要素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。