The shortages of classic BP Neural Network for fault diagnosis of analog circuit are put out. A method is put forward to improve the classic BP Neural Network. 分析了传统BP型神经网络在模拟电路故障诊断中应用所存在的缺点,提出了解决办法。
A given initial value using the method of BP neural network method take analog circuit fault diagnosis. 提出了采用赋初值BP神经网络的方法,进行模拟电路故障的诊断;
A Neural Network based Approach for Testing Analog Circuits 一种基于神经网络的模拟电路测试方法
Comparison and link between the local magnitude of digital seismic network and that of analog seismic network in Karamay seismic station 克拉玛依地震台数字与模拟近震震级的对比与衔接
In order to solve the problems of high difficulty of neural network training and low accuracy of fault diagnosis under above circumstances, a fault re-classification method based on neural network fault diagnosis in analog circuit is proposed and the mathematics model of the method is given. 针对在该情况下神经网络训练困难与故障诊断正确率低的问题,提出了一种适于模拟电路的、基于神经网络故障诊断的故障重分类方法,给出了该方法的数学模型。
The algorithm of BP neural network is analyzed and the analog circuit is simulated by using PSPICE software in this paper. 文中就BP神经网络的学习算法进行了分析,使用PSPICE软件对电路进行仿真,在此基础上建立了模拟电路的BP神经网络故障字典库。
Method of Implementing Feed forward Neural Network Using Digital and Analog Circuits 采用数模混合电路实现前馈神经网络的一种方法
By concluding the functions of many white goods/ small appliances, a vector table of home appliances functions is built, which corresponds with virtual network digital/ analog channels. 通过归纳白色家电(小家电)基本的功能建立网络家电功能向量表。分析网络家电功能向量表,使表中的功能和网络虚拟数字/模拟通向相对应。
A new methodology to obtain a simplified symbolic network function for analog circuits is presented. 这里提出一种简化模拟电路网络符号函数的新方法。
The Making and Application of Network Multimedia Courseware in Basic Analog Electronic Technology 网上多媒体模拟电子技术基础课件的研制与应用
Starting from this physical basis, not only can the various dualities in an electrical network be determineds but these dualities can also be extended to the dual equivalent network and dual analog network, Thus, the applied domain of duality is expanded. 从这个物理基础出发,既能求得电网络中的各种对偶性,又能把对偶性推广到对偶等效网络和对偶模拟网络,从而,扩大了对偶性的应用领域。
Research on network course of analog electronic circuit 模拟电子电路网络课程的设计探究
The DAC consists of reference amplifier, current switch, bias network and precision resistance network, so it is analog circuit. 数模转换器的内部电路由基准放大器、电流开关网络、偏置网络和精密电阻网络构成,属于模拟电路。
It is possible to remain the expected low-sensitivity properties of a LDI digital filter based on a two-port LC network analog filter model by LDI transformation. 以双端接载LC网络组成的模拟滤波器为原型,取LDI变换进行数字滤波器的设计,可以保持LDI数字滤波器低灵敏度性质不变。
In this paper, an algorithm using wavelet neural network for fault diagnosis in analog circuit with tolerance is proposed, and is simulated on the direct circuit and the alternating circuit and receives better result. 本文对容差模拟电路故障诊断算法的小波神经网络实现作了讨论和研究,分别在直流电路和交流电路下对该算法进行了仿真,取得了较好的诊断效果。
There are two kinds of T-type Network of Digital/ Analog Signals Circuit. D/A接口电路T型网络分有源无源两种。
Neural Network Approach to Analog Fault Diagnosis at Sub-network Level 子网络级模拟故障诊断的神经网络实现
Research on T-type No Resource Network of Digital/ Analog Signals Circuit D/A接口电路无源T型网络的研究
Application of network analog approach to planar circuits 网络模拟法在平面电路中的应用
Neural Network Analog on dynamic variation of the karst water and prediction of spewing tendency of the springs in Jinan 济南市岩溶水动态变化的神经网络模拟及泉水喷涌趋势预测
The simulative circuits of active network elements, analog signal operation and inductors based on current conveyors are systematically researched. A new active floating inductor is proposed. 系统地研究了电流传送器在有源网络元件模拟、模拟信号运算和电感模拟电路中的应用,提出了一种基于电流传送器的新型模拟浮地电感。
Comparison of the Waveform Features from the Telemetric Digital Seismic Network with the Analog Network 数字化遥测台网与模拟台网记录的地震波形特征比较
The vibration sensor realizes the digitalization and network transmission of the analog signals of the bridge vibration. The monitoring and control network integrate the Internet perfectly. 这种新型的振动传感器实现了对桥梁健康状态振动模拟信号的就近数字化和网络传输,使得测控网与信息网融为一体。
Double Fault Diagnosis and Artificial Neural Network Implementation for Linear Analog Circuits 线性模拟电路的双故障诊断及人工神经网络的实现
In this paper biomimetics pattern recognition is imported in Neural Network to diagnosis faults of analog circuits. 本文把仿生模式识别的理论和双权值神经网络相结合用于模拟电路的故障诊断,是一种新的尝试。
For the re-classification method of analog overlapped fault diagnosis, the overlapped areas of fault features are divided out into new fault classes, firstly. Next, use the conventional neural network based analog fault diagnosis method to identify the re-classified fault classes. 在模拟电路重叠故障诊断的重分类方法中,首先将故障特征重叠的区域划分出来归为新的故障类,然后采用常规的神经网络方法来对重分类后的故障类型进行识别。
In time-frequency domain, the noise immunization processing and fault feature extraction from circuit response are realized by wavelet transform, A fault diagnosis approach based on wavelet neural network for analog circuits is presented. 从联合时频分析角度,利用小波变换对电路响应进行消噪处理和故障特征提取,提出基于小波神经网络的模拟电路故障诊断方法。
From the form and the causes of overlapped faults of analog circuits, the re-classification method of analog overlapped fault diagnosis is discussed and the fusion neural network based analog overlapped fault diagnosis method is proposed, respectively. 针对模拟电路重叠故障的诊断,分别从其表现形式和产生原因出发,探讨模拟电路重叠故障诊断的重分类方法和提出模拟电路重叠故障诊断的融合神经网络方法。
The results of simulation show the performance of this architecture. ( 3) The research on genetic algorithm based fuzzy neural network for analog circuit fault diagnosis has been done. 研究了基于遗传算法的模糊神经网络在模拟电路故障诊断中的应用。
In the backbone network, the analog signal transformed from the head generator room to the subordinate engine room by broadcast way. 骨干网中以广播形式由一级机房将模拟电视信号传输至二级机房。