研究线性时不变动态系统鲁棒故障检测滤波器设计问题。
This paper addresses robust fault detection filter design for linear-time-invariant dynamic system.
本文讨论利用故障检测滤波器对同时故障进行分离的问题。
This paper is concerned with the detection and isolation of simultaneous faults with failure detection filters.
鲁棒故障检测滤波器方法使残差既有干扰解耦特性又有方向特性。
The robust fault detection filters can ensure that the residual error, generated by this filter, has both robust and directional properties.
研究线性不确定系统的反馈控制器与鲁棒故障检测滤波器集成设计问题。
The integrated design problem of feedback controller and robust fault detection filter is studied for uncertain linear time invariant system.
本文讨论了鲁棒故障检测滤波器在喷气式发动机传感器故障诊断中的应用。
This paper discusses the robust fault isolation of faulty sensors in a jet engine system.
最后,研究最优解耦策略鲁棒故障检测滤波器方法及其在关联大系统中的应用。
In the end, the optimal decoupling strategy for robust fault detection filter method and its application for large-scale interconnected systems are also discussed.
该文设计了全维非线性未知输入观测器,实现检测滤波器对于被控对象模型误差和系统不确定性因素的干扰解耦。
This paper realizes disturbance de-coupled with model error and system uncertainty by using a combination of full-order nonlinear unknown input observer and fault detection filter.
同时,针对残差信号与未知输入干扰不能完全解耦的情况,本文采用特征结构配置方法进行鲁棒故障检测滤波器设计。
Then the design of fault detection filter with robust eigenstructure assignment is investigated in a class of residual signal for the unknown input disturbance can not be completely decoupled.
针对包含不同程度噪声数字图像的边缘检测问题,提出了两种建立在房顶型模糊边缘模型基础上的平滑和边缘检测滤波器。
For the edges detection problem of digital images containing different degrees of noise, two smoothing and edge detection filters, based on a model of crest-line blurred edge contours, were proposed.
本文着重论述了基于电压检测的并联型有源滤波器在放射状配电网谐波抑制中的应用及其安装点的选择。
This paper is focused on a shunt active filter based on detection of harmonic voltage to attenuate harmonic propagation in a power distribution network and its installation site selection.
文中分析了系统平衡变换原理,讨论了系统的平衡方式、补偿电流检测与有源滤波器控制方法。
In this paper, the principle of balanced transformation is analyzed; the balance mode, detection of compensating currents and controlling method of the active filter are discussed.
提出了一种新型的有源电力滤波器电流检测和控制方法,在补偿谐波电流的同时还可以进行无功补偿。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
实时、高精度的谐波检测和控制是有源滤波器的重要部分。
Real-time and accurate harmonic detection and control is the key for practical active filter implementation.
第二部分是中值滤波器,对于检测出的噪声像素,用其相应窗口内的非噪声像素的中值进行替代。
The second subunit is median filter, which use the median of non-noise pixel in the window to replace the detected noise pixels.
介绍了自适应回声消除器的基本结构及各个功能模块,例如:变阶数自适应滤波器,语音状态检测器,延迟分析器和NL MS算法控制器。
The structure of AEC as well as its composing modules, are introduced such as the speech detector, the adaptive filter, the time delay estimator and the NLMS algorithm controller.
结果表明,低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
论文提出一种基于高斯滤波器的尺度相乘边缘检测算法。
This paper presents an algorithm to edge detection by scale multiplication based on Gaussian filter.
提出了一种用于多尺度边缘检测的小波变换滤波器系数的计算方法,并且以具体例子进行了检验,表明了该方法的有效性。
A method of calculating wavelet transformation filter coefficients for multiscale edge detection is given in this paper, and the efficiency of the method is clarified.
最后实验结果表明,这种谐波检测方法具有较好的实时性和准确性,能够满足并联型有源滤波器对谐波检测的要求。
The test results show that the detection method has the characteristics of accuracy and real time, and can meet the harmonics detection demand of SAPF.
介绍了中值滤波及其改进算法、分析了中值滤波的属性、提出了一种基于邻域统计和奇异点检测的中值滤波器的改进算法。
A new image denoising algorithm based on neighborhood statistic information and singular point detection is mentioned in this paper by researching of the character of the median filter.
然后利用方向可变滤波器检测图像边缘及边缘方向特性;
Then with the help of steerable filters, the method detects image edges and the orientations of them.
环路为反馈结构,包括插值器、时钟误差检测和环路滤波器三个部分。
The loop is a second order phase lock loop, consisting of an interpolator, a timing error detector and a loop filter.
文中讨论了平衡变换原理,给出了补偿电流检测与有源滤波器控制方法。
The principle of balanced transformation is discussed. The detecting method of the compensating currents and control mode of the active power filter are proposed.
表明在圆柱型基阵上最佳空间滤波器能够有效抑制多个干扰、完成弱信号检测。
The analysis shows that the OSF can effectively suppress multiple interferences and extract weak signals.
结果表明,该方法检测性能优于能量检测器,次于匹配滤波器。
The results show that the performance of this method is better than that of the energy detector and lower than that of the matched filter.
因此,它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
因此,它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
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