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检索条件"任意字段=7th International Conference on Functional Programming"

共 3595 条记录，以下是481-490 订阅

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Secure Communications Employing Intelligent Reflecting Surfaces

Secure Communications Employing Intelligent Reflecting Surfa...

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international conference on Electrical, Electronics and System Engineering (ICEESE)

作者： Hsuan-Fu Wang Fang-Biau Ueng Si-Fan Haung Department of Aeronautical Engineering National Formosa University Yunlin Taiwan Department of Electrical Engineering National Chung Hsing University Taichung Taiwan

ISBN: (数字)9798350367447

ISBN: (纸本)9798350367454

this paper focuses on secure transmission with multiple intelligent reflecting surfaces (IRS) for millimeter-wave (mmWave) and terahertz (thz) systems. Specifically, it explores the scenario where a base station (BS) and a user (D) utilize multi-IRS for transmission while having active eavesdropping from an eavesdropper (E). there is no direct path between the BS and the user, nor between the eavesdropper and BS. Considering hardware implementation, the conditions for discrete phase shifts of IRS reflections are designed. Under these conditions, we maximize the system’s secrecy rate of the mmWave/thz systems. We solve the non-convex problem by decomposing it into two sub-problems: optimizing beamforming and then optimizing the reflection phase shift matrix. then, these sub-problems are jointly optimized. For the beamforming optimization problem, we propose a closed-form optimal solution. For the optimization problem of the reflection phase shift matrix, we propose a method based on semidefinite relaxation programming (SDR) and element-wise block coordinate descent (E-BCD) to optimize the matrix. Simulation results show the effectiveness of the proposed methods.

关键词： Array signal processing Simulation Millimeter wave technology programming Systems engineering and theory Reflection Matrix decomposition Millimeter wave communication Optimization Terahertz communications

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Optimizing Cache Management Policy for Fast Packet Processing in NFV Data Plane

Optimizing Cache Management Policy for Fast Packet Processin...

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IEEE international conference on Electronics and Communication Engineering (ICECE)

作者： Runfa Wang Qiang Wu Dept. of Computer Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing China

ISBN: (数字)9798331517755

ISBN: (纸本)9798331517762

Establishing efficient caching in the data plane is crucial for the performance of packet forwarding for network function virtualization(NFV). For switches that provide network functions such as forwarding, routing, and firewall, the on-chip memory in the data plane is closest to the packet processing logic. However, due to hardware constraints or limitations in the programming model, the programmability and memory access capabilities of data plane caching in many network devices, such as programmable switches, smart network cards, and DPUs, are often restricted. As a result, most existing data plane caches rely on simple and inefficient replacement strategies. In this paper, an analysis of the limitations in programmability of the data plane is conducted, and an algorithm with bit-slice operators is proposed to determine the update and eviction strategy for each item in the cache array. Leveraging the principles of limited associativity design, the storage structure of the ternary match kind identifier (TCAM) table is optimized due to constraints on the number of mask bits. Efficient utilization of cache hits is achieved by setting timestamps and packet flow identifiers in registers. Experimental results demonstrate that our caching strategy exhibits significant improvements in hit rate and latency performance compared to some previously proposed approaches.

关键词： Firewalls (computing) programming Routing Hardware Data models Registers System-on-chip Network function virtualization Logic Optimization

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Integration Model of Multiple Payment Gateways for Online Split Payment Scenario 7

Integration Model of Multiple Payment Gateways for Online Sp...

引用

7th international conference on Information Management and Technology, ICIMTech 2022

作者： Hisyam, Muchsin Manuaba, Ida Bagus Kerthyayana Bina Nusantara University Faculty of Computing and Media Computer Science Department Jakarta11480 Indonesia

ISBN: (数字)9781665450904

ISBN: (纸本)9781665450904

Payment is one of the key features in digital marketplace applications. Along with the advance of technology, many Fintech companies bring a lot of variances of digital money such as e-money which acts as an alternative payment option. Nowadays, Payment Gateway has been used to handle most of the process required for online payment transactions, including e-money payment model. Yet, the problem on implementing Payment Gateway is the limitation of various payment methods. In Indonesia, there are two well-known e-money that are very often used for online transaction which are GoPay and OVO. However, those payment method provided in separated payment gateways. In order to provide better experiences and more payment options to the user in single application, this study has explored the possibilities of integrating two different Payments Gateways which are Midtrans and Xendit and implementing them by using core API integration method for sample web app application prototype. For the result of the study, the architecture of integration model between these two payment gateways is successfully developed and tested, especially for splitting payment scenario between two e-money payment models from different payment gateways. Both payment gateways are integrated into a backend of marketplace scenarios where in this split payment scenarios might commonly occur. © 2022 IEEE.

关键词： Application programming interfaces (API)

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Dynamic Active Distribution Network Reconfiguration Considering Aging Mitigation of Enrichable Battery Energy Storage Systems

Dynamic Active Distribution Network Reconfiguration Consider...

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Energy, Electrical and Power Engineering (CEEPE), international conference on

作者： Fengchao Chen Zejian Qiu Zhipei He Ruifeng Zhao Ruifeng Xu Xin Su Wei Yan Dongguan Power Supply Bureau Guangdong Power Grid Co. Ltd. Dongguan China Power Dispatching And Control Center Guangdong Power Grid Co. Ltd. Guangzhou China State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing China

ISBN: (数字)9798350375794

ISBN: (纸本)9798350375800

To avoid worldwide climate change effects, decarbonization initiatives transit the distribution systems to be mixed with a high penetration of distributed energy resources (DERs) and enrichable battery energy storage systems (BESS) units. Since the degradation of BESS units is highly relevant to their discharging/charging operations, this paper considers constructing the dynamic DNR model with the aging mitigation of BESS units. this can extend the reaming useful life of BESS units, whilst achieving the minimization loss and smoothing power fluctuations of DERs. For the BESS aging cost, we derive the linearized hyperplanes to approximately quantify the battery life loss, which facilities for the solvability of the dynamic DNR model as a mixed integer second-order conic programming (MISOCP) problem. Case studies demonstrate that this proposed dynamic DNR model can achieve these merits with satisfactory performance.

关键词： Power engineering Fluctuations Battery energy storage system Prevention and mitigation Power smoothing Aging programming

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Innovation and practice of online teaching "four-step Method" based on PDCA structure 22

Innovation and practice of online teaching "four-step Method...

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7th international conference on Distance Education and Learning, ICDEL 2022

作者： Xu, Jihui Wang, Yu Tian, Weijie Equipment Management and Unmanned Aerial Vehicle Engineering College Air Force Engineering University China Graduate Examinations Office Shanxi Education Examination Institute China

ISBN: (纸本)9781450396417

In view of the special background of the city being forced to close classes under the ravages of the epidemic, combined with the online teaching practice experience, the teaching mode innovation practice exploration was carried out. Using PDCA classical model in the field of management idea, from the Angle of the teaching process of the closed loop, designed the "P - D heading practice - C word checks - A word ascend"of the "four-step teaching method", practice the "know students, knowledge demand, platform""building blocks, hui platter, east wind""in-class quiz, online test, case discussion"and so on teaching practice, through "being the anchor, the director and the judge", the online teaching path mode is solidified, and the "proper lesson preparation, teaching, evaluation and improvement"is achieved to improve the teaching effect. © 2022 ACM.

关键词： C (programming language)

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Smart Garbage Monitoring System with Dynamic programming Model

Smart Garbage Monitoring System with Dynamic Programming Mod...

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international conference on Computing Methodologies and Communication (ICCMC)

作者： N. Sugitha Mirrahashini K Harish M K Devakumar G Praveen Kumar S Department of Electronics & communication Engineering Saveetha Engineering college Chennai India Department of Medical Electronics Saveetha Engineering college Chennai India

the most significant issue in cities is garbage collection. the average amount of waste a person produces daily rises as the population grows, creating severe waste management issues. Any municipality's most pressing issues are bin status monitoring, locating the shortest route, and vehicle costs. the problem's consequences result in inadequate waste monitoring and management procedures. An effective garbage collection system that periodically measures the amount of garbage in the bins is used to solve these issues. the shortest route can be determined using this bin's status. the vehicle only went to the places where the bins in the city are full. the Wi-Fi module will transmit all of the information to the municipality. the main objective of the proposed work is to create a flexible application that dynamically solve the issue of late bin clearance, poor management of bins etc. the path selection is made by using the Travelling Salesman Algorithm in the Dynamic programming approach. the sensor network is utilized to gather information regarding the garbage contents in the bins and remotely trigger the request for a cleaning process using the Internet of things. the internet is connected with microcontroller hardware using a Node-MCU device, or ESP8266, a small internet-supporting module that works as a plug-and-play module to any microcontroller. the primary objective of this system is to send information to the municipality and the mobile application regarding the status of the bin, the minimum cost path, the total travel distance, and the kind of vehicle required. this system aims to shorten travel time, save money on diesel and human resources for garbage collection, and improve waste collection and monitoring.

关键词： Waste management Wireless sensor networks Costs Microcontrollers Urban areas Sociology Mobile applications

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Exploration of Using Direct programming Interface to Improve the Reusability of Verification IP

Exploration of Using Direct Programming Interface to Improve...

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international conference on Integrated Circuits and Microsystems (ICICM)

作者： Xiaocheng Wang Hao Ruan Long Zou School of Big Data and Information Engineering Guizhou University Guiyang China Chinese Academy of Sciences Shanghai Institute of Optics and Fine Mechanics Guiyang China

ISBN: (纸本)9781665460583

Discuss UVM reusability, build APB_I2C IP verification environment through direct programming interface, successfully realize multi-language collaborative verification, and verify the feasibility of vertical reuse of C test cases from module level to subsystem level through the virtual processor scheme. Using the coverage-driven strategy, the verification progress is quantified, and the verification goal of 100% coverage is finally achieved, which improves the completeness and accuracy of verification. Finally, the cross-type debugging library is used to quickly locate and verify the error position in the simulation, which greatly shortens the verification cycle of the SoC.

关键词： Micromechanical devices Collaboration Debugging programming Libraries IP networks Integrated circuit modeling

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the Investigation and Implementation of Automated Pricing and Replenishment Decisions for Vegetable Commodities Relying on Time Series Forecasting and Linear programming Models

The Investigation and Implementation of Automated Pricing an...

引用

IEEE Information Technology, Networking, Electronic and Automation Control conference

作者： Yi Tong Jinxuan Zhou Liang Deng Congao Zhang Tao Guo Xueling Long Department of Information Engineering Wuhan Business University Hubei China Major in Software Engineering Major in Data Science and Big DataTechnology Major in Internet of Things Engineering Major in Financial Management

ISBN: (数字)9798350370805

ISBN: (纸本)9798350370812

In modern supermarkets, given the limited shelf life and the propensity for rapid declines in the sales of perishable goods, such as vegetables, it becomes imperative to conduct daily restocking based on historical sales and consumer demand to preclude the occurrence of undersold items the following day. Consequently, conducting restocking and pricing strategies based on sales and demand holds significant research importance for supermarkets. this study initially employs a multiple linear regression model to investigate the impact on profit by adjusting total sales (Q), sales price (P), and each component of cost-plus pricing (C, T, L, A), thereby determining the relationship between total sales and cost-plus pricing for each vegetable category, as well as the functional relationship between total sales and cost-plus pricing for each vegetable category. Based on the derived functional relationship, time series prediction and linear programming models are utilized to forecast the market demand for each vegetable category over a one-week period, subsequently formulating the daily restocking plan and pricing strategy for each vegetable category in the subsequent week to maximize supermarket profit while satisfying market demand. Finally, an analysis of saleable vegetable items reveals that 29 vegetable items can be displayed, with a total profit of 846.35 yuan. Upon testing the sales data of 300,000 vegetables, compared to the conventional display method sans the use of this model, the overall profit margin surged by 269.75 yuan, an increment of 47% relative to the initial profit, effectively enhancing the operational efficiency and profitability of the supermarket.

关键词： Profitability Time series analysis Linear regression Pricing Predictive models Linear programming Data models Information technology Forecasting Testing

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Analysis of Anti-Radiation Performance for a Domestic Satellite Borne Power Device

Analysis of Anti-Radiation Performance for a Domestic Satell...

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China international Electrical and Energy conference (CIEEC)

作者： Minming Zhang Yuanjie Luo Jie Cai 24th Research Institute China Electronics Technology Group Corporation ChongQing China

ISBN: (数字)9798350359558

ISBN: (纸本)9798350359565

the research object of this paper is a high-power thick-film anti-radiation DC/DC power module, which can convert 70V~120V input voltage into 5V/120W rated output in a small size. On this basis, the module electrical performance parameters are tested and verified, and the total dose radiation testing of low dose rate and single-event radiation testing are carried out. Results show that the tested device main parameters are good and different numbered circuits datas highly coincidental, its anti-total dose radiation reaches 100krad(Si), single-event functional failure threshold LET value greater than or equal to $\mathbf{75}\mathbf{MeV}\cdot \mathbf{cm}^{\mathbfth}/\mathbf{mg}$ , and it has good anti-single-event transient ability, which can work stably and efficiently in satellite borne environment.

关键词： Performance evaluation Satellites Circuits Multichip modules Transient analysis Testing

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Integrating Machine Learning with Binary Integer programming for Optimal PMU Placement in Dynamic Power Networks

Integrating Machine Learning with Binary Integer Programming...

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international conference on Contemporary Computing and Informatics (IC3I)

作者： N V Uma Reddy R Anuradha Sorabh Lakhanpal Rawya Read P. Subhashini Kanan Divetia Department of Artificial Intelligence and Machine Learning New Horizon College of Engineering Bangalore India Institute of Aeronautical Engineering Hyderabad Telangana India Lovely Professional University Phagwara Punjab India Hilla University College Babylon Iraq Department of Computer Science and Engineering MLR Institute of Technology Hyderabad Telangana India Lloyd Law College Greater Noida Uttar Pradesh India

ISBN: (数字)9798350350067

ISBN: (纸本)9798350350074

PMUs or synchronized PMUs are rapidly becoming essential in today’s power systems acting as monitors in the advancement of mainstream grid supervisory, protective, and controlling systems. this paper presents an improvement of the existing methodology for PMU placement by incorporating Machine Learning algorithm coupled with binary integer programming in order to feed real-time grid conditions and demand forecasts into the algorithm. Addressing four primary constraints: 1) observability in fully and partially observable cases; 2) conventional measurements across various cases; 3) network robustness against single PMU or a communication line; and finally, 4) flexibility with regards to increasing or decreasing failure rates, this augmented approach includes, but does not limit to, machine learning-based predicative analysis for a dynamic power grid management. Employed on IEEE 14-bus, a 21-bus $400-\mathrm{kV}$ real power system, as well as the IEEE 30-bus system, strategy helps in creating a cost-effective, secure and smart monitoring system.

关键词： Integer programming Machine learning algorithms Heuristic algorithms Power system dynamics Machine learning Phasor measurement units Complexity theory Synchronization Observability Monitoring

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