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Security Vulnerabilities in microprocessors

Semiconductor Science and Information Devices 2021年第1期3卷 24-32页

作者： Benjamin Ashby Smith Kevin Curran School of Computing Engineering&Intelligent SystemsUlster UniversityUK

microprocessors such as those found in PCs and smartphones are complex in their design and *** recent years,an increasing number of security vulnerabilities have been found within these microprocessors that can leak sensitive user data and *** report will investigate microarchitecture vulnerabilities focusing on the Spectre and Meltdown exploits and will look at what they do,how they do it and,the real-world impact these vulnerabilities can ***,there will be an introduction to the basic concepts of how several PC components operate to support this.

关键词： microprocessors Cybersecurity Microarchitecture security

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Increase the Quality of Life through the Development of Automation

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Journal of Electronic & Information Systems 2019年第2期1卷 6-14页

作者： Anoushe Arab Education office of Zahedan Iran

This paper discusses needs for the automation of the underdevelopment *** novelty of this research is the link between production of microprocessors and increasing of the life *** study highlights the importance of efficient and economic architecture of logical circuits for the *** aim of this research is to produce a logical circuit,which includes suitable *** circuit will be embedded in the automatic devices as a microprocessor to cause programmed *** research reports analytically a workshop method to build the *** uses an assembly card and required ***,it suggests certain VHDL codes to drive a *** workshop presents the configuration schemes and connection board for every *** addition,it shows a schematic wiring diagram of the ***,the economic analysis proves the mass production of the circuit will enhance the automation and consequently the quality of *** outcome of this research is a helpful experience to the engineers,manufacturers and students of the relevant disciplines to resolve the inequality in the use of the modern technologies.

关键词： Logic circuits Digital gates microprocessors Mass production Quality of life Assembly card

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Sampling and Reconstruction of Zero-Order Hold Signals by Parallel RC Filters

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Wireless Engineering and Technology 2011年第3期2卷 153-156页

作者： J.T Olkkonen H Olkkonen 不详

In this work we describe a reconstruction algorithm for zero-order hold (ZOH) waveforms measured by a parallel sam-pling scheme. In the method the ZOH signal is fed to a parallel network consisting of resistor-capacitor (RC) filters, whose outputs are sampled simultaneously. The algorithm reconstructs N previous samples of the input signal from output samples of N parallel RC circuits. The method is especially useful in sampling and reconstruction of the ZOH signals produced by the digital-to-analog converters. Using the parallel sampling method the sampling rate of the analog-to-digital converters can be increased by a factor of N. We discuss a variety of applications such as reconstruction of ZOH pulse sequences produced by ultra wide band (UWB) transmitters.

关键词： Sampling Interpolation UWB Analog-to-Digital Converters microprocessors VLSI

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MICROPROCESSOR BASED MODEL FOLLOWING ADAPTIVE CONTROL SYSTEM FOR CSIM DRIVES

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Transactions of Nanjing University of Aeronautics and Astronautics 1996年第2期13卷 40+35-39页

作者：张春明左敦稳王珉南京航空航天大学机电工程学院

A model following adaptive control system for CSIM is presented in this paper. A dynamic mathematical model of slip control based system is obtained. With the help of model reducing technique, full order model is reduced to simplify the design without degrading much of the performance. Model following adaptive control laws in discrete form are derived. These laws satisfy the hyperstability condition for taking care of the load and machine parameter changes of the drive. A microprocessor 8098 is used to develop the speed controller. The implementation of the control system uses only available variables of the reference model and the controlled plant. Experimental results are given to demonstrate the good performance of the system.

关键词： induction motors frequency converters microprocessors adaptive control model following

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