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2014 IEEE International Conference on Computational Intelligence and Computing Research最新文献

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M-QAM bit error rate analysis of multipath channels in LTE system LTE系统中多径信道M-QAM误码率分析
Patteti Krishna, T. Kumar, K. K. Rao
In this paper, Long Term Evolution (LTE) Cellular networks provides higher bit rates and consequently higher spectral efficiencies. Quadrature Amplitude Modulation has been adopted by most wireless communication standards such as Long Term Evolution (LTE). We analyses the Bit error rate (BER) of M-ary QAM in both multipath fading channels such as Rayleigh fading and Additive white gaussian noise (AWGN) channels. The simulation shows between the BER and energy per bit to noise power spectral density.
在本文中,长期演进(LTE)蜂窝网络提供更高的比特率,因此更高的频谱效率。正交调幅已被大多数无线通信标准所采用,如长期演进(LTE)。分析了多径衰落信道(瑞利衰落信道和加性高斯白噪声信道)下M-ary QAM的误码率。仿真结果显示了误码率和每比特能量与噪声功率谱密度之间的关系。
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引用次数: 1
Robust edge detector using back propagation neural network with multi-thresholding 基于多阈值反传播神经网络的鲁棒边缘检测器
Hartaranjit Singh, Gurpreet Kaur, Nancy Gupta
Edge detection is one of the prominent preprocessing stages in many image processing applications like Image Segmentation, Machine vision, Image Analysis and Feature Extraction etc. In order to get optimally true edge response in these applications, a particular edge detection technique shall be vulnerable to errors even when the input image gets contaminated due to presence of high frequency noise or become hazy due to blurriness. In this paper, a robust edge detection technique based on Back-propagation Neural Network with Multi-Thresholding, applicable on both Gray scale and Colored images, is presented. It is demonstrated that the proposed technique performs qualitatively and quantitatively better than Sobel, Robert's, Prewitt's, Canny and Neural based (without Multi-Thresholding) Edge Detectors under both Noisy & Blurred input conditions.
边缘检测是图像分割、机器视觉、图像分析和特征提取等图像处理应用中重要的预处理步骤之一。为了在这些应用中获得最佳的真实边缘响应,特定的边缘检测技术即使在输入图像由于高频噪声的存在而受到污染或由于模糊而变得模糊时也容易出现错误。本文提出了一种基于多阈值反向传播神经网络的鲁棒边缘检测技术,适用于灰度图像和彩色图像。结果表明,在噪声和模糊输入条件下,所提出的技术在定性和定量上都优于Sobel, Robert, Prewitt, Canny和基于神经的(无多阈值)边缘检测器。
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引用次数: 3
Dynamic IPv6 activation based defense for IPv6 router advertisement flooding (DoS) attack 基于IPv6动态激活的IPv6 router advertisement flood (DoS)攻击防范
J. Goel, B. Mehtre
IPv6 router advertisement flooding is one of the severe DoS attack. It leads to denial of service attack on entire Local Area Network. As a result all system connected to that LAN get frozen and unresponsive. Whole LAN and its systems stop working. Hence it is very important to protect our LANs from IPv6 RA flood attack. In this paper, we described IPv6 RA flood attack in virtual LAN using KALI Linux. We showed its effects on the victim's computer. We proposed a new approach to defend from Ipv6 RA flooding DoS attack by dynamic ipv6 activation. Such a system would detect the attack and raise a warning alarm. It deactivates IPv6 temporarily. When host recovers from the attack, the proposed system reactivates IPv6 again. So by using this approach user can use both IPv6 and IPv4 services even under attack. We have also provided pseudo code and experimental results in this paper.
IPv6路由器通告泛洪攻击是一种严重的DoS攻击。它导致了整个局域网的拒绝服务攻击。因此,连接到该局域网的所有系统都会冻结且无响应。整个局域网和它的系统停止工作。因此,保护局域网免受IPv6 RA泛洪攻击是非常重要的。本文描述了基于KALI Linux的虚拟局域网IPv6 RA泛洪攻击。我们展示了它对受害者电脑的影响。提出了一种利用Ipv6动态激活防御Ipv6 RA泛洪DoS攻击的新方法。这样的系统将检测到攻击并发出警告警报。暂时去使能IPv6。当主机从攻击中恢复时,提议的系统重新激活IPv6。因此,通过使用这种方法,即使受到攻击,用户也可以使用IPv6和IPv4服务。文中还提供了伪代码和实验结果。
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引用次数: 13
State estimation of a nonlinear system using particle filter 基于粒子滤波的非线性系统状态估计
K. Anandhakumar, I. Ali, K. Selvakumar, K. Raja
In this paper, Particle Filter algorithm has been employed for estimating the states namely concentration and temperature of a Continuous Stirred Tank Reactor (CSTR) and simulation results are presented. The propagation of particles through the nonlinear system model for the state estimation has been discussed. The states of the system are estimated by using the Particle Filter algorithm under the steady state as well as transient system conditions. A step change in the coolant flow rate has been introduced in order to provide a dynamic operating point.
本文将粒子滤波算法应用于连续搅拌槽式反应器(CSTR)的浓度和温度状态估计,并给出了仿真结果。讨论了用非线性系统模型进行状态估计的粒子传播问题。在稳态和暂态条件下,采用粒子滤波算法对系统状态进行估计。为了提供一个动态工作点,引入了冷却剂流量的阶跃变化。
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引用次数: 0
Contrast-enhanced microscopic imaging of Malaria parasites 疟疾寄生虫的对比增强显微镜成像
J. Somasekar, B. E. Reddy
This paper proposes an efficient algorithm for contrast enhancement to preserve the essential details of microscopic images of malaria infected blood using Gamma Equalization (GE). The central idea of this method is first, to convert the input color blood image into gray scale one, and then to calculate the range value for the γth order image of a gray scale image. The look-up-table (LUT) values are calculated and the gray scale image pixel intensity values are converted into LUT values which yield final contrast-enhanced image by retaining the essential details. We tested different values of gamma (γ). The value of γ = 0.8 yields maximum contrast enhanced image, which is very useful for image analysis and a computer aided diagnostic system for malaria. On comparison, GE is found to be better than Histogram equalization (HE), Imadjust (IA) and Contrast-limited adaptive histogram equalization (CLAHE) for microscopic blood images of malaria by using image quality measures: Absolute mean Brightness error (AMBE), Entropy and average luminance.
本文提出了一种有效的对比度增强算法,以保留疟疾感染血液显微图像的基本细节。该方法的核心思想是首先将输入的彩色血液图像转换为灰度图像,然后计算灰度图像的γ阶图像的范围值。计算查找表(LUT)值,并将灰度图像像素强度值转换为保留基本细节的最终对比度增强图像的LUT值。我们测试了不同的γ (γ)值。γ = 0.8的值产生最大对比度增强图像,对图像分析和疟疾计算机辅助诊断系统非常有用。通过对图像质量度量:绝对平均亮度误差(AMBE)、熵和平均亮度进行比较,发现GE在疟疾显微血液图像上优于直方图均衡化(HE)、Imadjust (IA)和对比度有限的自适应直方图均衡化(CLAHE)。
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引用次数: 8
Design of cascode topology based CMOS power amplifier for wireless applications 基于级联码拓扑的无线CMOS功率放大器设计
G. Indumathi, S. Keerthana
An Radio Frequency (RF) Power Amplifier (PA) plays a key role in front end of RF Transmitter. It's role is to convert low power RF Signal into high Power signal so that it can drive the antenna of the transmitter. The PA exhibits certain desirable characteristics such as enormous output Power, reduced heat dissipation, nominal input and output return loss and eminent gain. It is necessary to cut down Power consumption of PA, since PA depletes majority of Power at the transmitter. A two stage cascode topology based 0.18μm Complementary Metal Oxide Semiconductor (CMOS) PA with driver and power stages has been designed using Agilent Advanced Design System (ADS 2009) simulation tool. Here PA needs dc power supply of 1.8V and designed to operate at 2.4 GHz. Current mirror biasing is used at both the stages. The circuit uses source degeneration for input matching and tank circuit for output matching. Interstage matching is provided by a capacitor.
射频功率放大器(PA)是射频发射机前端的关键器件。它的作用是将低功率射频信号转换成高功率信号,从而驱动发射机的天线。该放大器具有一些理想的特性,如巨大的输出功率,减少的散热,标称的输入输出回波损耗和显著的增益。有必要降低PA的功耗,因为PA消耗了发射机的大部分功率。利用Agilent Advanced Design System (ADS 2009)仿真工具,设计了一种基于0.18μm互补金属氧化物半导体(CMOS)的两级级联码拓扑,具有驱动级和功率级。这里PA需要1.8V的直流电源,设计工作在2.4 GHz。在这两个阶段都使用了电流反射镜偏置。该电路采用源退化进行输入匹配,罐电路进行输出匹配。级间匹配由电容器提供。
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引用次数: 3
Data mining for meteorological applications: Decision trees for modeling rainfall prediction 气象应用的数据挖掘:模拟降雨预测的决策树
A. Geetha, G. M. Nasira
Prediction is a challenging task and that too for weather is even more complex, dynamic and mind-boggling. Weather prediction poses right from the ancient times as a big herculean task, because it depends on various parameters to predict the dependent variables like temperature, rainfall, humidity, wind speed and direction, which are changing from time to time and weather calculation varies with the geographical location along with its atmospheric variables. There are many data mining techniques employed for weather prediction, but decision tree evaluation can be quantified. This paper highlights a model using decision tree to predict weather phenomena like fog, rainfall, cyclones and thunderstorms, which can be a life saving information and used by peoples of all walks of life in making wise and intelligent decisions. This model may be used in machine learning and further promises the scope for improvement as more and more relevant attributes can be used in predicting the dependent variables. The proposed model is implemented using the open source data mining tool Rapidminer.
预测是一项具有挑战性的任务,天气预测甚至更加复杂、动态和令人难以置信。天气预报自古以来就是一项艰巨的任务,因为它依赖于各种参数来预测因变量,如温度、降雨量、湿度、风速和方向,这些因变量是不断变化的,天气计算随着地理位置和大气变量的变化而变化。有许多用于天气预报的数据挖掘技术,但决策树评估可以量化。本文重点介绍了一个利用决策树来预测雾、降雨、旋风和雷暴等天气现象的模型,这是一个可以拯救生命的信息,可以被各行各业的人们用来做出明智和明智的决策。这个模型可以用于机器学习,并且随着越来越多的相关属性可以用于预测因变量,进一步保证了改进的范围。该模型使用开源数据挖掘工具Rapidminer实现。
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引用次数: 41
Adaptive controller design for the generalized projective synchronization of Yu Four-Wing systems 余四翼系统广义投影同步的自适应控制器设计
S. Vaidyanathan, S. Pakiriswamy
Synchronization of different types, especially generalized projective synchronization, control and regulation of chaotic systems are important areas of research in the control literature and various methods have been adopted for these research problems. Also, the discovery of multi-scroll chaotic systems in various applications, and the control of such systems are important research areas in chaos theory. Yu four-wing chaotic system (2011) is a novel 4-D chaotic system with a positive Lyapunov exponent. This paper with the help of adaptive control design derives new results for the GPS of Yu four-wing chaotic systems when there is no knowledge of system parameters. MATLAB simulations have been shown to demonstrate the adaptive GPS results derived for the Yu four-wing chaotic systems.
不同类型的同步,特别是广义投影同步,混沌系统的控制和调节是控制文献中重要的研究领域,并采用了各种方法来研究这些问题。此外,多涡旋混沌系统在各种应用中的发现及其控制也是混沌理论的重要研究领域。Yu四翼混沌系统(2011)是一种具有正Lyapunov指数的新型四维混沌系统。本文利用自适应控制设计方法,在不知道系统参数的情况下,对羽四翼混沌系统的GPS进行了新的求解。MATLAB仿真结果验证了对羽四翼混沌系统的自适应GPS定位结果。
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引用次数: 1
3G Intra circle roaming implementation techniques 3G圈内漫游实现技术
R. Adityan, Phaniram Sayapaneni, V. Elamaran, Ritesh Agarwal
The Current Telecom Industry faces a steady competition of providing new technologies to its customers and to meet the challenges of the up-gradation of the existing technologies. The more the number of operators, the more is the need for spectrum resources as well as new infrastructure keeping in mind the scarce resources available. This report provides a technical analysis of how 3rd Generation (3G) Intra Circle Roaming agreement is done between two operators under a licensed circle subjected to the conditions of the government and the telecom regulatory. Intra Circle Roaming (ICR) is a service which enables a mobile station of a given public land mobile network (PLMN) to offer services from an another PLMN in the same country on a location area basis, with automatic return to the home PLMN. The general idea of this report includes how a basic call, Short Message Service (SMS) and Packet Data Protocol (PDP) activation is made while the subscriber is roaming under ICR considerations with certain requirements from the roaming partner.
当前电信业面临着为客户提供新技术和应对现有技术升级挑战的持续竞争。运营商数量越多,对频谱资源和新基础设施的需求就越多,因为现有资源稀缺。本报告从技术上分析了在政府和电信监管的条件下,两家运营商如何在许可的圈子下完成第三代(3G)圈内漫游协议。圈内漫游(ICR)是一种服务,它使一个给定的公共陆地移动网络(PLMN)的移动站能够在一个位置区域的基础上从同一国家的另一个PLMN提供服务,并自动返回到主PLMN。本报告的总体思想包括用户在漫游ICR考虑并满足漫游合作伙伴的某些要求时如何进行基本呼叫、短消息服务(SMS)和分组数据协议(PDP)激活。
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引用次数: 0
Adaptive synchronization of two-scroll novel chaotic systems with a quartic nonlinearity 新型四次非线性双涡旋混沌系统的自适应同步
S. Vaidyanathan, K. Madhavan
Synchronization of different types, control and regulation of chaotic systems are important areas of research in the control literature and various methods have been adopted for these research problems. Also, the discovery of novel chaotic systems in various applications, their qualitative properties and the control of such systems are also important research areas in chaos theory. This paper proposes a novel 3-D chaotic system and details its qualitative properties such as Lyapunov exponents and Lyapunov dimension. Next, the main result of this paper, namely, an adaptive feedback controller has been constructed for the drive-response synchronization of novel systems for all initial states when the system parameters are unknown. Phase orbits of the new chaotic system have been demonstrated using numerical simulations with MATLAB. Adaptive feedback results for the drive-response synchronization of the systems have been also illustrated using numerical simulations with MATLAB.
不同类型的同步、混沌系统的控制和调节是控制文献中重要的研究领域,研究方法多种多样。此外,在各种应用中发现新的混沌系统、其定性性质和控制也是混沌理论的重要研究领域。本文提出了一种新的三维混沌系统,详细介绍了该系统的李雅普诺夫指数和李雅普诺夫维数等定性性质。其次,本文的主要成果是,在系统参数未知的情况下,为新型系统在所有初始状态下的驱动-响应同步构建了自适应反馈控制器。利用MATLAB软件对新混沌系统的相轨道进行了数值模拟。利用MATLAB进行了数值仿真,给出了系统驱动响应同步的自适应反馈结果。
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引用次数: 0
期刊
2014 IEEE International Conference on Computational Intelligence and Computing Research
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