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International Journal of Advanced Scientific Research and Development (IJASRD)最新文献

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PAPR Reduction using Tone Reservation Method in OFDM Signal OFDM信号中音调保留法降低PAPR
Pub Date : 2019-03-10 DOI: 10.26836/IJASRD/2019/V6/I2/60201
P. S. Neelayathakshi
In this paper, we are going to propose ‘Tone Reservation’ technique to reduce PAPR (Peak to Average Power Ratio) in OFDM signal using new algorithm. It is less complex and also calculates its own threshold value at the time of communication. It also calculates its PRT signal while other algorithms requiring predetermined threshold and PRT. It modifies the data by ‘bit by bit’ comparison with a modified copy of itself (algorithm modified) thus scaling the peaks as and providing a decent BER and good PAPR reduction.
在本文中,我们将提出“音调保留”技术,利用新的算法来降低OFDM信号中的PAPR(峰值与平均功率比)。它不那么复杂,并且还在通信时计算自己的阈值。它还计算自己的PRT信号,而其他算法需要预先确定阈值和PRT。它通过与自己的修改副本(算法修改)的“逐位”比较来修改数据,从而缩放峰值,并提供体面的误码率和良好的PAPR降低。
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引用次数: 0
Depiction Optimization of Overdue Wi-Fi Offloading in Heterogeneous Systems 异构系统中Wi-Fi超时卸载的描述优化
Pub Date : 2019-03-10 DOI: 10.26836/IJASRD/2019/V6/I2/60202
R. Kayalvizhi, M. Nivetha
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引用次数: 0
Priority Based Spectrum Sensing and Security System using Radio Cognitive Network 基于优先级的无线电认知网络频谱感知与安全系统
Pub Date : 2019-03-10 DOI: 10.26836/IJASRD/2019/V6/I2/60203
M. Madhumitha, M. Harikrishnan
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引用次数: 0
Inter Adaptive Response Adjustment to Environment Relationship by Administrative Communication 行政沟通对环境关系的内部适应反应
Pub Date : 2019-02-10 DOI: 10.26836/ijasrd/2019/v6/i1/60103
N. Farahmand
The term inter adaptive response adjustment to environment relationship have declared that risk taking capability of the adjustment to environment relationship is the major factor for making distinguish between adjustment to environment relationship and workers. Since then, risk taking was taken as one of inter adaptive response adjustment to environment relationship's component into consideration. For these reasons, after determination of adjustment to environment relationship places for manufacturing organizations, the find of alternatives for perform of it is very important. The organization’s immediate external environment posses a second set of challenging factors. In order to performance increase of industrial companies because of competition conditions in nowadays world with more various threats, perform of necessary actions are required. Meanwhile, in accordance with mentioned opinions, this research is found that if the total average values of each person were very high, create adjustment to environment relationship will be suitable for him, and if such values be very low, the execution place will be proposed. In other wise, if the total average values of person be medium, he or she will put in balancer or supporting adjustment to environment relationship place. All of the organizations, before choosing of alternatives for improve of company performance, proposed for test and evaluation of the by administrative communication of this research, and if they couldn’t receive of suitable results from perform of it, in that case will be free for choosing and selecting another alternative.
环境关系适应间反应这一术语表明,环境关系适应者的风险承担能力是区分环境关系适应者与劳动者的主要因素。从那时起,风险承担就被作为一种相互适应的反应来考虑对环境关系的调整。因此,制造企业在确定环境关系调整场所后,寻找实施环境关系调整的替代方案就显得尤为重要。组织的直接外部环境具有第二组具有挑战性的因素。在当今世界的竞争环境下,工业企业为了提高绩效,面临着各种各样的威胁,需要采取必要的行动。同时,根据上述观点,本研究发现,如果每个人的总平均值很高,那么创造适应环境的关系将适合他,如果这些值很低,那么将提出执行地点。反之,如果人的总平均值中等,他或她就会对环境关系处于平衡或辅助调节的位置。所有的组织,在选择替代方案以提高公司绩效之前,建议对本研究的行政沟通进行测试和评估,如果他们无法从执行中获得合适的结果,在这种情况下,将自由选择和选择另一种替代方案。
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引用次数: 0
Assessment of Public Financial Management and State of Infrastructure in Taraba State of Nigeria 尼日利亚塔拉巴州公共财政管理和基础设施状况评估
Pub Date : 2019-02-10 DOI: 10.26836/ijasrd/2019/v6/i1/60102
Masoyi Aliyu Dadi, Z. Peter, Temitope James Aderibigbe, Sonia Idemudia
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引用次数: 1
Effectiveness of Intervention Occupational Safety and Health Management System on Improving Safety and Health among the Laboratory Technician/Staff 介入式职业安全健康管理系统对改善化验室技术人员安全健康的成效
Pub Date : 2019-01-10 DOI: 10.26836/IJASRD/2018/V5/I12/51203
Nayef Shabbab Almutairii, S. Tamrin, N. Y. Guan, V. How, M. Danaee
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引用次数: 0
Performance Analysis for Ring Shaped Antenna in Underwater Radio Communication 水下无线电通信环形天线性能分析
Pub Date : 2019-01-10 DOI: 10.26836/IJASRD/2018/V5/I12/51205
P. S. Neelayathakshi
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引用次数: 0
Organizational New Business Venture Group Competence as Net Achievement Capability Manpower Approach 组织新业务风险集团能力作为净成就能力的人力资源研究
Pub Date : 2019-01-10 DOI: 10.26836/ijasrd/2018/v5/i12/51202
N. Farahmand
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引用次数: 1
Time Evolution of Density Parameters for Matter and Dark Energy and their Interaction Term in Brans-Dicke Gravity Brans-Dicke引力中物质和暗能量密度参数的时间演化及其相互作用项
Pub Date : 2018-05-07 DOI: 10.26836/ijasrd/2019/v6/i4/60409
S. Roy, D. Nandi, Suman Ghosh, Apashanka Das
In the framework of Brans-Dicke (BD) theory, the first part of the present study determines the time dependence of BD parameter, energy density and equation of state (EoS) parameter of the cosmic fluid in a universe expanding with acceleration, preceded by a phase of deceleration. For this purpose, a scale factor has been chosen such that the deceleration parameter, obtained from it, shows a signature flip with time. Considering the dark energy to be responsible for the entire pressure, the time evolution of energy parameters for matter and dark energy and the EoS parameter for dark energy have been determined. An effective interaction term, between matter and dark energy, has been proposed and calculated. Its negative value at the present time indicates conversion of matter into dark energy. Using this term, the time dependence of the rates of change of matter and dark energy has been determined. It is found that the nature of dependence of the scalar field upon the scale factor plays a very important role in governing the time evolution of the cosmological quantities studied here. The present study provides us with a simple way to determine the time evolution of dark energy for a homogeneous and isotropic universe of zero spatial curvature, without involving any self-interaction potential or cosmological constant in the formulation.
在Brans-Dicke (BD)理论的框架下,本研究的第一部分确定了宇宙流体在加速膨胀、减速阶段之前的BD参数、能量密度和状态方程(EoS)参数的时间依赖性。为此,选择了一个尺度因子,使由此得到的减速参数随时间呈现特征翻转。考虑到暗能量对整个压力负责,确定了物质和暗能量的能量参数和暗能量的EoS参数的时间演化。提出并计算了物质与暗能量之间的有效相互作用项。目前它的负值表明物质转化为暗能量。利用这个术语,物质和暗能量变化率的时间依赖性已经确定。发现标量场对尺度因子的依赖性质在控制本文所研究的宇宙学量的时间演化中起着非常重要的作用。本研究为我们提供了一种简单的方法来确定零空间曲率的均匀和各向同性宇宙的暗能量的时间演化,而不涉及公式中的任何自相互作用势或宇宙常数。
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引用次数: 0
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