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2010 Annual IEEE India Conference (INDICON)最新文献

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Design and development of an S-band Low Noise Amplifier s波段低噪声放大器的设计与研制
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712723
S. K. Giri, C. Bose
This paper describes the design and development of a single stage Low Noise Amplifier (LNA) working at 3 GHz frequency. The single stage amplifier is designed by using commercially available p-HEMT, Filtronic (RFMD) FPD6836P70. The LNA makes use of plated through holes (PTH) to obtain good high frequency grounding of the transistor. The prototype LNA is tested at room temperature, and the measured Noise Figure (NF) and Gain is obtained as 1.03 dB and 16.3 dB respectively. The realized amplifier with distributed matching networks is found to perform reasonably well in the tests of gain, return loss and noise figure measurements in the desired frequency band. The practical results are also found to closely match with the simulated results. We present a description of the LNA design, results obtained from the measurements, and their comparison with simulated results.
本文介绍了一种工作在3ghz频率下的单级低噪声放大器的设计与研制。单级放大器采用市售p-HEMT、滤波(RFMD) FPD6836P70设计。LNA利用镀通孔(PTH)来获得晶体管良好的高频接地。在室温下对原型LNA进行测试,测得噪声系数(NF)和增益分别为1.03 dB和16.3 dB。所实现的分布式匹配网络放大器在期望频带的增益、回波损耗和噪声系数测试中表现良好。实际计算结果与模拟结果吻合较好。我们给出了LNA设计的描述,从测量中获得的结果,以及它们与模拟结果的比较。
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引用次数: 3
Real time object tracking based on segmentation and distance minimization 基于分割和距离最小化的实时目标跟踪
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712632
Debarati B. Chakraborty, D. Patra
In this paper we propose a novel algorithm for object tracking from Video images based on segmentation and Kernel based procedure. Many Kernel based object tracking algorithms have been developed during last few years. The computational complexity becomes very high in those kernel based techniques. In our proposed method the target localization problem is minimized using segmentation technique, instead of using mean shift tracking algorithm. Following segmentation technique the localization problem of target candidate gets minimized, and then comparing the target candidate with the target model by using Bhattacharya coefficient the object can easily be detected. So, the object can be tracked with less computational burden and more efficiently. The proposed algorithm is validated with an existing video sequence and another with a real time video sequence.
本文提出了一种基于分割和核函数的视频图像目标跟踪算法。在过去的几年中,许多基于内核的目标跟踪算法被开发出来。在这些基于核的技术中,计算复杂度变得非常高。在我们提出的方法中,使用分割技术来最小化目标定位问题,而不是使用均值移位跟踪算法。采用分割技术将候选目标的定位问题最小化,然后利用Bhattacharya系数将候选目标与目标模型进行比较,从而容易地检测到目标。因此,可以以更少的计算量和更高的效率跟踪目标。用一个已存在的视频序列和另一个实时视频序列对该算法进行了验证。
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引用次数: 3
Strategic bidding in deregulated market using particle swarm optimization 基于粒子群优化的非管制市场竞价策略研究
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712648
J. Kumar, Shaik Jameer pasha, D. Kumar
In this paper, particle swarm optimization method is proposed to determine the optimal bidding strategy in competitive electricity market. The market includes Generating companies (Genco's), large consumers who participate in demand side bidding, and small consumers whose demand is present in aggregate form. The effectiveness of the proposed method is tested with IEEE-30 bus system in which six generators and two large consumers are considered. Results are compared with the solutions obtained using the Genetic algorithm and Monte Carlo method.
本文提出了粒子群优化方法来确定竞争电力市场中的最优竞价策略。市场包括发电公司(Genco's),参与需求侧竞标的大消费者,以及以总需求形式存在的小消费者。在考虑6个发电机和2个大用户的IEEE-30总线系统中,对该方法的有效性进行了测试。结果与遗传算法和蒙特卡罗方法的解进行了比较。
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引用次数: 15
Restoration of fluorescence microscopic images using a nonlinear PDE based filter 荧光显微图像的恢复使用非线性PDE为基础的滤波器
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712705
R. Srivastava
In this paper, a nonlinear anisotropic diffusion based filter adapted to Poisson noise is proposed to restore the degraded fluorescence microscopic images due to Poisson noise. The proposed filter is based on a combined maximum a posterior (MAP) and partial differential equations (PDE) based approach to the image reconstruction problem. The performance of the proposed scheme has been compared with other standard techniques available in literature such as Wiener filter, regularized filter, Lucy-Richardson filter and another proposed nonlinear complex diffusion based filter in terms of mean square error (MSE), peak signal-to-noise ratio (PSNR), correlation parameter (CP) and mean structure similarity index map (MSSIM). The obtained results shows that the proposed complex diffusion based filter adapted to Poisson noise performs better in comparison to other filters and is an optimal choice for reduction of intrinsic Poisson noise from the fluorescence microscopic images as well as other digital images corrupted with Poisson noise and it is also well capable of preserving edges and radiometric information such as luminance and contrast of the restored image.
本文提出了一种适应泊松噪声的非线性各向异性扩散滤波器,用于恢复因泊松噪声而退化的荧光显微图像。该滤波器是基于最大后验(MAP)和偏微分方程(PDE)相结合的图像重建方法。在均方误差(MSE)、峰值信噪比(PSNR)、相关参数(CP)和平均结构相似指数图(MSSIM)等方面,将所提方案的性能与文献中已有的其他标准技术如Wiener滤波器、正则化滤波器、Lucy-Richardson滤波器和另一种基于非线性复杂扩散的滤波器进行了比较。结果表明,所提出的基于复扩散的泊松噪声滤波方法比其他滤波方法性能更好,是去除荧光显微图像和其他被泊松噪声破坏的数字图像的本然泊松噪声的最佳选择,并且能够很好地保留恢复图像的边缘和亮度、对比度等辐射信息。
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引用次数: 4
A design of frequency synthesized RF-source for IEEE 802.1 la wireless access for 0.09 μm CMOS technology 基于0.09 μm CMOS技术的IEEE 802.1 la无线接入频率合成射频源设计
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712665
K. K. Mallik, Rupanjal Deb Barma, K. N. Reddy
A Multi-band Synthesizer suitable for 5 GHz IEEE 802.11a upper, middle and lower frequency bands has been designed and performance evaluated for fabrication using 0.09 μm CMOS technology. A fast 6μs settling time and superior −139.9dBc/Hz @ 1MHz offset phase noise have been observed by simulation. A linear VCO transfer characteristics has been observed over the frequency range. VCO outputs are in phase quadrature and 0.09 μm CMOS technology makes the design energy efficient.
设计了一种适用于5 GHz IEEE 802.11a上、中、下频段的多波段合成器,并采用0.09 μm CMOS工艺进行了性能评估。仿真结果表明,该方法具有6μs的快速沉降时间和- 139.9dBc/Hz @ 1MHz的优越相位噪声。在整个频率范围内观察到线性压控振荡器的传输特性。压控振荡器输出为相位正交,0.09 μm CMOS技术使设计节能。
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引用次数: 0
Reversible cryptographic hardware with optimized quantum cost and delay 具有优化量子成本和延迟的可逆密码硬件
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712605
A. Banerjee
In order to defend the power analysis attack reversible logic is a good candidate as it ideally does not dissipate any heat and today reversible logic is an emerging research area. In literature different designs for reversible hardware cryptography have been proposed but they have been implemented using complex gate libraries and further theorems have been proposed defining lower limit of implementation cost which is quantum cost. We have proposed novel designs for reversible ALU of a cryptoprocessor which have been implemented in standard gate library and the quantum cost reported here are better than the lower bounds reported in literature. Further we have calculated delay of the proposed designs. We have verified that our proposed designs are minimal with respect to gate count which is circuit cost by simulating it in RevKit. This is for the first time that the optimization algorithms to optimize quantum cost and delay have been applied to improvise on the cost metric in reversible ALU design.
为了防御功率分析攻击,可逆逻辑是一个很好的候选,因为它理想地不散发任何热量,今天可逆逻辑是一个新兴的研究领域。在文献中提出了不同的可逆硬件加密设计,但它们都是使用复杂的门库实现的,并且提出了进一步的定理来定义实现成本的下限,即量子成本。我们提出了一种新的加密处理器的可逆ALU设计,并在标准门库中实现,本文报道的量子成本优于文献报道的下界。此外,我们还计算了拟议设计的延迟。我们已经验证了我们提出的设计在门数方面是最小的,这是通过在RevKit中模拟电路成本。这是首次将优化量子成本和延迟的优化算法应用于可逆ALU设计的成本度量。
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引用次数: 20
On performance improvement issues in unordered Tuple Space based Mobile Middleware 基于无序元组空间的移动中间件性能改进问题研究
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712740
Suddhasil De, Sukumar Nandi, D. Goswami
Tuple Space based Mobile Middleware (TSMM), a new genre of mobile middleware, is developed to tackle emerging dynamics in underlying infrastructure. It uses tuple space model to coordinate interactions between different active components (agents) of supported applications. This paper focusses on a primary design issue of tuple space model, viz. tuple-antituple structure, which specifies arities and nature of arrangements of constituent fields of tuples and antituples. This factor not only affects application design, but also impacts simplicity, flexibility, scalability and performance of TSMM. Broadly, two types of arrangements are possible: ordered (where arity and arrangement of fields are predefined), and unordered (where none of them are predefined). Ordered structure lacks flexibility and restricts the design of TSMM and its applications. Unordered structure removes these drawbacks, but degrades TSMM's performance and scalability, as additional creation and lookup overheads are introduced here. Among the existing TSMM, LIMONE incorporates unordered tuple-antituple structure. In this paper, we modify LIMONE's tuple-antituple structure for improving its performance and scalability. Both original and modified models are analyzed and experimented to show the improvements.
基于元组空间的移动中间件(Tuple Space based Mobile Middleware, TSMM)是一种新型的移动中间件,主要用于解决底层基础设施中出现的动态问题。它使用元组空间模型来协调支持的应用程序的不同活动组件(代理)之间的交互。本文主要讨论元组空间模型的一个主要设计问题,即元-反元组结构,它规定了元组和反元组的组成域的排列性和性质。这个因素不仅会影响应用程序的设计,还会影响TSMM的简单性、灵活性、可伸缩性和性能。从广义上讲,有两种类型的排列是可能的:有序(字段的数量和排列是预定义的)和无序(它们都不是预定义的)。有序结构缺乏灵活性,制约了TSMM的设计和应用。无序结构消除了这些缺点,但是降低了TSMM的性能和可伸缩性,因为这里引入了额外的创建和查找开销。在现有的TSMM中,LIMONE采用了无序元-反元结构。在本文中,我们修改了LIMONE的元-反元组结构,以提高其性能和可扩展性。对原模型和改进后的模型进行了分析和实验,证明了改进后的模型。
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引用次数: 12
DSP based control algorithm for three-phase four-wire shunt active filter without load and filter current measurement 基于DSP的三相四线并联无负载有源滤波器控制算法及滤波器电流测量
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712690
N. Gupta, S. P. Dubey, S. Singh
In this paper, a novel control algorithm for three-phase four-wire shunt active power filter is proposed without measuring load and filter current with different load condition is proposed. The control theory and reference source current signal generation is based on Instantaneous Reactive Power theory. The idea is different from the conventional control approach based on sensing load and/or compensator current, hence reduces the number of current sensors. The net fundamental power is calculated by using control architecture which should be flow from source to load. The source currents are exactly in-phase with supply voltages and having sinusoidal nature after providing the compensation by the compensator. The proposed control technique has been simulated using MATLAB/Simulink and tested on TMS320F28335 floating point digital signal processor using processor-in-loop (PIL) process. The results demonstrate the viability of the proposed control scheme as per IEEE 519–1992 recommended harmonic standard limits.
本文提出了一种不测量负载的三相四线并联有源电力滤波器控制算法,并提出了不同负载条件下的滤波器电流控制算法。控制理论和参考源电流信号的产生基于瞬时无功功率理论。该思想不同于传统的基于传感负载和/或补偿器电流的控制方法,因此减少了电流传感器的数量。采用从源到负载的控制体系结构计算净基功率。经补偿器补偿后,源电流与电源电压完全同相,具有正弦特性。利用MATLAB/Simulink对所提出的控制技术进行了仿真,并在TMS320F28335浮点数字信号处理器上采用环中处理器(PIL)工艺进行了测试。结果表明,所提出的控制方案符合IEEE 519-1992推荐的谐波标准限值。
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引用次数: 5
Dynamic stability enhancement using self-tuning Static Var Compensator 采用自整定静态无功补偿器增强动态稳定性
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712655
J. Therattil, P. C. Panda
The design of a self tuning Static Var Compensator (SVC) based on pole placement method is presented. In order to maintain good damping characteristics when there is a drastic change in system operating condition, the gain settings are adapted in real time based on the continuously measured system inputs and outputs. The new self tuning proportional integral derivative (PID) control can provide better damping characteristics than a fixed gain PID control SVC over a wide range of operating conditions. Digital simulation of a two machine system following a three phase fault under different loading conditions is performed to demonstrate the robustness and effectiveness of the developed controller. Simulation results are presented at the end of the paper.
提出了一种基于极点放置法的自整定静态无功补偿器(SVC)。为了在系统工作条件发生剧烈变化时保持良好的阻尼特性,根据连续测量的系统输入和输出实时调整增益设置。在较宽的工作条件下,自整定比例积分导数(PID)控制比固定增益PID控制SVC提供更好的阻尼特性。通过对不同负载条件下三相故障双机系统的数字仿真,验证了所设计控制器的鲁棒性和有效性。最后给出了仿真结果。
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引用次数: 5
Realization of ultra wideband bandpass filter using new type of split-ring Defected Ground Structure 利用新型分环缺陷接地结构实现超宽带带通滤波器
Pub Date : 2010-12-01 DOI: 10.1109/INDCON.2010.5712736
S. R. Choudhury, T. Moyra, S. K. Parui, Santanu Das
This paper introduces a new compact bandpass filter using a new Circular Split — Ring type Defected Ground Structures. A split ring Defected Ground Structure (DGS) when applied with a continuous microstrip line yields a very sharp stop band Lowpass filter. In the proposed structure, a T-shaped discontinuous microstrip line is included, which provides ultra wide passband. The passband of the proposed bandpass filter can be tuned by simply changing the radius of the inner ring of the split-ring DGS unit. This proposed structure provides an improved bandwidth when another split-ring DGS unit is included. A MoM based simulation is performed for the structures.
本文介绍了一种新型紧凑型带通滤波器,该滤波器采用了一种新型圆形分环型缺陷接地结构。劈环缺陷接地结构(DGS)应用于连续微带线时,产生非常锐利的阻带低通滤波器。在该结构中,包含一个t形不连续微带线,提供超宽通带。所提出的带通滤波器的通带可以通过简单地改变分环DGS单元的内环半径来调谐。当包含另一个分环DGS单元时,所提出的结构提供了改进的带宽。对结构进行了基于MoM的仿真。
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引用次数: 0
期刊
2010 Annual IEEE India Conference (INDICON)
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