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Digital communication system design

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  • This paper presents a designing and implementing circuit of wireless charging of the parking management system based on Radio frequency identification (RFID) technique and STM32F103 as the control kernel. The advantage of digital modulation technique in applied radio signals is used to identify specific targets and read-write relevant data. Communication is established between the parking space reader and the onboard responder.

    pdf9p linyanjun_2408 21-04-2022 7 1   Download

  • This paper presents the research on design and control of Remotely Operated Vehicle (ROV) belonging to National key Laboratory of Digital Control and System Engineering. Basically, it is controlled by human pilots to move underwater and perform specifically pre-assigned tasks. T he power supply and communication channel for the vehicle are connected from an onshore station via cable systems. There are several stages of the pipeline in implementing a full-scale ROV platform that must be studied carefully.

    pdf8p trinhthamhodang9 04-12-2020 10 0   Download

  • Communications is a process by which information is exchanged between individuals through a common system of symbols, signs, or behaviour “It is about communication between people; the rest is technology” Communication systems are reliable, economical and efficient means of communications Public switched telephone network (PSTN), mobile telephone communication (GSM, 3G, 4G...), broadcast radio or television, navigation systems, ... The course is aiming at introducing fundamental issues required for understanding and designing a (digital) communication system...

    pdf22p nanhankhuoctai3 25-05-2020 11 0   Download

  • Digital broadcast systems have increasingly been deployed for various services such as Digital Video Broadcasting (i.e. DVB-S, DVB-T, etc.) and Digital Audio Broadcasting (DAB). Classical digital broadcast systems were designed with fixed modulation guarantee reliable communication even with very hostile channel environment. DVB-T2 terrestrial television standard is becoming increasingly important. The emergence of it is motivated by the higher spectral efficiency and adopting transition from analogue TV to DVB-T2, or transition from DVB-T to DVB-T2.

    pdf7p son248 24-03-2020 19 0   Download

  • Hybrid analog and digital beamforming (HBF) has recently emerged as an attractive technique for millimeter-wave (mmWave) communication systems. It well balances the deman d for sufficient beamforming gains to overcome the propagatio n loss and the desire to reduce the hardware cost and power consumption. In this paper, the mean square error (MSE) is chosen as the performance metric to characterize the transmission reliability. Using the minimum sum-MSE criterion, we investigate the HBF design for broadband mmWave transmissions.

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  • The potential of using of millimeter wave (mmWave) frequency for future wireless cellular communication systems has motivated the study of large-scale antenna arrays for achieving highly directional beamforming. However, the conventional fully digital beamforming methods which require one radio frequency (RF) chain per antenna element is not viable for large-scale antenna arrays due to the high cost and high power consumption of RF chain components in high frequencies.

    pdf13p son248 24-03-2020 18 0   Download

  • Over the past years, a number of international initiatives that recognize the importance of sharing and reusing digital educational resources among educational communities through the use of Learning Object Repositories (LORs) have emerged. Typically, these initiatives focus on collecting digital educational resources that are offered by their creators for open access and potential reuse. Nevertheless, most of the existing LORs are designed more as digital repositories, rather than as Knowledge Management Systems (KMS).

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  • Learning Object Repositories (LORs) are a core element of the Opening up Education movement around the word. Despite, the wide efforts and investments in this topic, still most of the existing LORs are designed mainly as digital libraries that facilitate discovery and provide open access to educational resources in the form of Learning Objects (LOs). In that way, LORs include limited functionalities of Knowledge Management Systems (KMSs) for organizing and sharing educational communities’ explicit and tacit knowledge around the use of these educational resources.

    pdf16p kequaidan1 05-11-2019 13 0   Download

  • Part 2 of the document Design and applications automotive antenna present the content: TV antennas for cars, satellite TV antennas, ridged waveguide antenna array, electronic beam-controlled phase array, antennas for digital terrestrial TV; satellite radio antennas, basic passive antenna requirements, system with two antenna elements, system with single patch antenna element, GPS antennas, typical GPS antenna parameters, circular annular ring microstrip antenna; antennas for short range communication, compact planar passive antenna, alternative antenna systems for short range communication.

    pdf163p anthachluu 05-08-2019 33 1   Download

  • Digital & Analog Communication Systems (8th Edition) - Leon W. Couch introduce about digital and analog communication systems, with an emphasis on design. Readers will gain a working knowledge of both classical mathematical and personal computer methods to analyze, design, and simulate modern communication systems. MATLAB is integrated throughout.

    pdf789p hoconganh_9x 22-09-2014 276 50   Download

  • From a system’s perspective, the design of the Sense- Less system is to a large extent governed by constraints that are unique to white spaces. We show that any white space system in which, instead of sensing, devices rely on a third-party entity to learn about white space availability must follow certain design principles. Specifically, we show that in order to achieve sufficiently accurate (i.e., not overly conservative) prediction of white space availability, sophis- ticated and computationally-intensive models must be used.

    pdf10p yasuyidol 02-04-2013 40 4   Download

  • Another class of linear codes, known as Convolutional codes. We study the structure of the encoder. We study different ways for representing the encoder.Convolutional codes offer an approach to error control coding substantially different from that of block codes. A convolutional encoder: encodes the entire data stream, into a single codeword. does not need to segment the data stream into blocks of fixed size (Convolutional codes are often forced to block structure by periodic truncation). is a machine with memory.

    ppt20p doanhung_dtvtk10 24-03-2013 45 4   Download

  • Communications is a process by which information is exchanged between individuals through a common system of symbols, signs, or behaviour “It is about communication between people; the rest is technology” Communication systems are reliable, economical and efficient means of communications Public switched telephone network (PSTN), mobile telephone communication (GSM, 3G, 4G...), broadcast radio or television, navigation systems, ... The course is aiming at introducing fundamental issues required for understanding and designing a (digital) communication system...

    ppt28p doanhung_dtvtk10 24-03-2013 76 6   Download

  • Digital signal processing (DSP) covers a wide range of applications in which the implementation of high-performance systems to meet stringent requirements and performance constraints is receiving increasing attention both in the industrial and academic contexts. Conceived to be available to a wide audience, the aim of this book is to provide students, researchers, engineers and the industrial community with a guide to the latest advances in emerging issues in the design and implementation of DSP systems for application-specific circuits and programmable devices....

    pdf322p phoebe75 19-02-2013 74 7   Download

  • The microprocessor is the core of computer systems. Nowadays many communication, digital entertainment, portable devices, are controlled by them. A designer should know what types of components he needs, ways to reduce production costs and product reliable.

    ppt39p lqvang02 02-02-2013 57 6   Download

  • Despite the uncertainty around the appropriation and the limited discretionary funds we project we will have available, this business plan nevertheless will enable CPB to play a significant leadership role in our industry’s efforts to design and build the public media system of the future. We will fund major projects in content, television, radio, and digital media platforms. We will fund educational content that we know through research will help close the academic achievement gap between affluent and disadvantaged children.

    pdf23p mebachano 01-02-2013 39 3   Download

  • From a more pragmatic standpoint, graphics concepts that are important in image analysis include light models for illumination and reflection, geometrical transformations, contours and surface approximation, algorithms for region delineation, and, of particular importance in 3D medical imaging, geometrical modelling. Another joint area of interest is in hardware and software, with a common trend towards the use of RISC processors, parallel computation, color devices, etc.

    pdf23p thangbienthai 17-11-2012 43 0   Download

  • MATLAB (Matrix Laboratory) is a matrix-oriented tool for mathematical programming, applied for numerical computation and simulation purposes. Together with its dynamic simulation toolbox Simulink, as a graphical environment for the simulation of dynamic systems, it has become a very powerful tool suitable for a large number of applications in many areas of research and development.

    pdf469p tailieuvip13 19-07-2012 121 47   Download

  • Brain Computer Interface (BCI) technology provides a direct electronic interface and can convey messages and commands directly from the human brain to a computer. BCI technology involves monitoring conscious brain electrical activity via electroencephalogram (EEG) signals and detecting characteristics of EEG patterns via digital signal processing algorithms that the user generates to communicate.

    pdf0p bi_bi1 16-07-2012 42 4   Download

  • All rights reserved. No part of this book may be reproduced in any form or by any means, without permission in writing from the publisher. The author and publisher of this book have used their best efforts in preparing this book. These efforts include the development, research, and testing of the theories and programs to determine their effectiveness. The author and publisher make no warranty of any kind, expressed or implied

    pdf299p kennybibo 14-07-2012 49 8   Download

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