• 建立了基于小波变换运动图像编码系统模型,实现了数据高效压缩得到了良好恢复图像。

    A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.

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  • 保证闭环控制系统鲁棒性,设计基于交流电机矢量变换模型多变量解耦控制器

    To ensure the system robustness, a multi-variable decoupling controller was designed based on the vector transform model of AC motor.

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  • 应用拉变换Z变换关系得到系统ARMA时间序列模型

    By the relationship of Laplace transform and Z-transform, the ARMA time series model for this system is obtained.

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  • 软件包具有模型变换系统分析极点配置控制、最控制、优控制、LQG、二次型矩阵早优系统仿真等功能

    The package has the functions of modelling, system analysis, pole-placement control, optimal control, suboptimal control, LQG, selecting quadratic weighing matrices and system simulation etc.

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  • 这样通过非线性状态变换非线性状态反馈将飞行器原来6非线性姿态模型部分精确线性化为阶线性系统

    Thus by nonlinear state transformation and nonlinear state feedback, the original 6 order nonlinear attitude model of a spacecraft is partially precisely linearized into a 2 order linear system.

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  • 该文系统观点出发,将投影重建图像中的变换看成空间变化动态系统模型

    Derived from the viewpoint of system theory, transformations of image reconstruction from projections are replaced with the spatial variant dynamic system models in this paper.

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  • 应用变换矩阵建立数学模型,编制了挖掘机工作装置设计软件系统

    By establishing math model using transformation matrix, a software for excavator attachment design has been created.

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  • 建立弧焊逆变器的器件级数学模型,对功率变换回路瞬态过程进行深入系统仿真研究。

    Based on simulating transient process of power conversion circuit thoroughly and systematically, working condition of magnetic core is analyzed in detail at various arc loads.

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  • 通过状态输入反馈变换系统模型转换为二链式标准型标准型给出一时变光滑指数镇定控制律。

    The state and input feedback transformations were constructed explicitly to convert the second-order nonholonomic system to second-order canonical chained form.

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  • 建立基于抗扰控制器双级矩阵变换闭环控制系统模型

    Then, the closed-loop control system model based on the ADRC is established.

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  • 文中透视投影变换依据,为基于台经纬仪形成接触式光学柔性坐标测量系统提出了一全新数学模型

    In terms of perspective projection transformation, a novel mathematical model is proposed for a non contacting optical flexible 3d measurement system constructed by the two theodolites.

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  • 本文前人工作基础上,研究了基于变换高斯混合模型(GMM)的病态嗓音识别系统

    Based on the work of predecessors, the paper has studied on the system of pathological voice recognition based on the wavelet transformation and Gaussian mixes model (GMM).

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  • 然后根据冠脉造影系统透视投影模型得到两幅不同角度造影图像之间几何变换关系,以及空间坐标计算方法。

    Then geometrical transformation matrix between views is obtained based on perspective projection model for X-ray angiography system, and 3D coordinate of spatial points are calculated.

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  • 首先结合系统理论齐次坐标变换建立目标机床误差模型

    The first work was to build an error model of target machine tool by combining the multi-body system theory and homogeneous coordinate transform.

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  • 针对四轮车移动机器人运动学模型首先利用个正则坐标变换误差系统转换为一个非线性串联系统的形式;

    Aimed at the kinematic model of the car-like mobile robot with four wheels, the tracking error system is firstly transformed to a nonlinear serial system through a regular transformation.

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  • 由于变换器工作平均电流控制APFC系统中,本文建立BUCBB变换器的信号动态模型,并将BUCBB变换器中的开关元件受控代替

    On account of the average current control chosen in the APFC system, a large signal dynamic BUCBB model is built and all the switching elements replaced by dependent sources.

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  • 在此模型协议被描述成状态变换系统通过系统状态的检测,能够发现协议存在的泄漏。

    By modeling protocol as a system of states ranslation, and examining all possible states, model checking has found some flaws in some well know protocols.

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  • 建立基于变换励磁感应电机的变速风力发电功率控制系统模型

    A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.

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  • M小波变换拟合状态在各尺度空间投影关系建立了满足标准卡尔曼滤波条件系统模型

    M-band wavelet is used to approximate the projection relationship between the scale Spaces, and system model that satisfies Kalman filter condition is built.

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  • 通过引人恒等变换,推导出系统辅助系统自校正预报模型

    By introducing double constant alterations, we establish self-tuning predictive models of system and auxiliary system.

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  • 首先介绍了空间参考模型坐标变换软件系统设计实现原则,并给出软件系统体系结构功能模块组成。

    This paper first introduces the principles of the design and implementation as well as the architecture and the functional modules of the software system.

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  • 利用函数Z -变换获得离散广义系统模型一般响应公式,由此得到模型的局部可达性与局部能控性的充分必要条。

    By using Z transform of a function, the general response formula for the general model of discrete singular systems is derived.

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  • 通过拟合实验数据表明1N自适应卡尔滤波器快速傅里叶变换和标准加入法相结合,用于补偿系统模型误差和进行重叠峰的分辨,效果良好。

    The neopoloarographic synthetic data test indicated that 1 :N adaptive Kalman filter can compensate for modelling errors of system and resolve over- lapped response signals.

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  • 基于信号变换模型给出系统图像处理设计系统构成给出了实验结果

    Based on the model, the design of the image processing board in the system and the system constitution are presented. And the experimental results are given.

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  • 超级电容器储能系统运行机理出发,设计了双向DC - AC - DC变换超级电容器储能系统电路结构建立了统一模型

    According the operation mechanics of the SCES system, its main circuit containing bi-directional DC-AC-DC converter was designed and its unified model was built.

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  • 针对具有输入时滞、且同时具有非匹配不确定项的一类对象模型,采用状态变换系统转化成为一个无时滞系统,并应用滑模控制的方法设计了控制器。

    The state transformation is used to convert a system with uncertain and unmatched input time-delay into a delay-free one, with a sliding mode controller designed.

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  • 矢量变换异步电动机数学模型中还存在MT交叉电势耦合作用,影响调速系统控制性能

    In vector control, there are the cross-coupling voltages between the m and t components of the stator current for Induction Motor (IM), it affects the performance of speed control system.

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  • 利用机器人运动学中的齐次坐标变换理论D - H坐标描述方法建立了关节机械系统的坐标测量数学模型给出系统测量空间

    Based on the theory of homogeneous transformation and DH method in robot kinematics, the coordinate measuring model of articulated arm system is established, the system measuring space is given.

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  • 通过自动化模型变换实现系统综合利用组件重用来优化设计空间搜索,因此能够提高系统设计性能和开发效率。

    This paper adopts automatic model mapping to realize system-level synthesis and make use of component reuse to optimize the design space.

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  • 提出采用模型变换方法,减小系统模型的不确定性,从而减小设计保守性。

    Model transformation method are induced to avoid conservative robust design by decreasing the model uncertainties .

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