查询词典 hidden line algorithm

Positive, negative and zero sequence components form transfer matrix and the fault calculation of EHV double circuit can be realized. Distributed transmission line model was adopted in the algorithm and the algorithm has higher accuracy.

利用正序、负序和零序分量构成转移矩阵，实现同杆双回线任意故障的计算，算法采用分布参数的线路数学模型，具有较高精度。

And an on-line adaptative training algorithm of the weights of neuron is given, which enhances fusion precision of the model, fault tolerance and adaptive ability for subsystems 4 In order to diagnose the soft fault of integrated system, a new fault detection method is proposed based on federated filter, which can detect fault of system in short interval and greatly enhance the method sensitivity to fault A fault diagnosis method of Dynamically Tuned Gyro baesd on parameter estimation of kinetics model of rotor, and signal pretreatment, parameter estimation and strategy of fault identification are studied in detail The method can locate fault of DTG correctly and effectively, which provides a new approach and idea for gyro fault diagonsis 5 In order to diagnose the hard fault of integrated system, fault tree analysis is studied on fault disgnosis of integrated system circuits, and the hardware and software of disgnosis system are developed, with faults located to main module and circuit For futhur diagnosis, an optimal measurement technology in detection of circuits is discussed by improving an algorithm based on information theory, and a pratical method based on half-split method is proposed.

针对组合系统的软故障诊断问题，提出了基于联合滤波模型的一种新的故障检测算法，给出了算法的理论推导过程，该算法能在较短的时间内检测出系统故障，提高了算法对故障的敏感度；研究了基于动调陀螺转子动力学模型参数辨识的故障诊断方法，就其中的信号预处理、参数辨识及故障决策方法等关键技术进行了详细的研究，该方法可以正确、有效地检测与定位动调陀螺故障，为陀螺故障诊断提供了新的途径和思路。 5。针对组合系统的硬故障诊断问题，研究了基于系统浅知识推理的故障树法在组合系统电路子系统故障诊断中的应用，开发了相关诊断系统的软硬件，故障可定位到系统的主要功能模块和电路板级。为了进一步的故障定位，研究了电路板故障的最优检测问题，完善了基于信息理论的优化算法，并提出了基于&对分法&的一种实用的优化算法，故障可定位到电路板的主要功能元件级。在组建的SINS/GPS组合系统实验平台上，针对上述研究内容，进行了大量的实验研究。

Subsequently, in order to solve a fatal problem of surprising amount of calculating and storge of presental fuzzy inference algorithm when used to solve multi-compliacted rules, we propose the decompositional method of complicated rules and solving method of resoning result after the rules are decomposed, so that a simple algorithm of fuzzy inference on-line can be obtained and the amount of calculating and storge can largely decreased.

针对现有的模糊推理算法用于多重复杂蕴涵规则时计算量及要求的存贮量太大这一应用中致命的问题，我们提出了复杂规则的分解方法，推导了规则分解后推理结果的求取方法，在此基础上提出了模糊推理的简便算法，使得在线实现模糊推理的计算量及要求的存贮量减少若干个数量级。

The proposed algorithm consists of forbidding unnecessary triggers for the inverter switches and do not need any additional circuits and off-line experimental measurement. The realization of algrithm is very simple, the harmonics in output waveform are small, and the algrithm resoves the pulsant when the system works at the low frequency. The proposed algorithm was applied to a PM synchronous motor drive system.

该算法可以省掉开关器件没有必要的开通和关断，不需要任何额外的硬件电路、离线的实验测量，算法实现简单，输出波形谐波含量小，较好地解决了系统在低频时输出电流的脉动；适用于永磁同步电机。

There are a lot of technological difficult points involved in NC machining graphic simulating, this thesis has mainly told about the line and arc interpolation algorithm, vertices of triangle mashes modeling, fast inquiry method for solid stock data, the algorithm of intersect the stock with the swept volume of a cutter, the cutter tool real-time removing display and so on.

图形仿真涉及到的技术难点比较多，论文主要对直线、圆弧的插补算法，工件的三角网格建模和显示技术，工件数据的存储和快速查询方法，刀具扫掠体和工件的求交算法，图形的快速局部消隐算法，刀具的动态显示等方面进行了详细的介绍。

By means of the block modeling method supported by Star - 90 Software system, a distance relay algorithm and a protection algorithm are developed, and then the simulation of the line distance relay is realized.

应用STAR-90仿真系统支持下的模块化的建模方法，开发了距离算法和保护装置算法，在此基础上实现了距离保护的仿真。

The main role for the Line Up Competition Algorithm LCA is in global research , while Speediest Descent Algorithm SDA is in local search .

其中，列队竞争算法的主要作用是实现全局搜索，而梯度法的作用是实现局部寻优，这两种方法的结合，可以使全局搜索与局部搜索达到均衡和统一。

Fault propagate model to obtain and combine present prevailing large amount of information, neuron network,etc. method most model, Direct against fuzzy Petri network give and publish undering the jurisdiction of degrees of algorithm of function concrete their; Petri network reasoning method combine trouble tree forward reasoning reverse algorithm of reasoning mainly, The concrete instance of connection is analysed and compares; Participate in potato cake production line background that design with author finally , combine on-the-spot characteristic of equipment, Set up one fault diagnose concrete model of expert system.

故障传播模型的获取结合了当前流行的最大信息量、神经元网络等方法，并且针对模糊Petri网给出了其具体的隶属度函数的算法；Petri网推理方法主要结合故障树正向推理反向推理的算法，联系具体实例进行分析和比较；最后以笔者参与设计的薯饼生产线背景，结合现场设备的特点，建立了一个故障诊断专家系统的具体模型。

Graphics on the Bresenham line drawing algorithm, the midpoint of the algorithm to achieve Circle, and pentagons, hexagons, heptag...

关于图形学中的Bresenham画线算法，中点画圆算法的实现，以及五边形，六边形，七边形填充。

Much noise exists in cloud data due to deviation of system and matching algorithm in photogrammetry. This paper presented an algorithm for scan line cloud data filtering.

摄影测量的点云数据通常叠加有多种形式的噪声信号，针对摄影测量中得到的扫描线形式的点云数据，采用形态学算子进行了噪声滤除。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。