Advantages of Digital Circuits Name: Instructor: Institution: Introduction Digital circuits are circuits that use signals in digital form instead of analog forms. One distinctive feature of a digital signal is that it assumes discrete values‚ most of the time two values. A digital signal takes time to change from one value to another‚ and assumes intermediate values during transmission (Verma). Steady values are slightly inaccurate. Voltages
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Master Thesis ICT Time to Digital Converter used in ALL digital PLL Master of Science Thesis In System-on-Chip Design By Chen Yao Stockholm‚ 08‚ 2011 Supervisor: Dr. Fredrik Jonsson and Dr. Jian Chen Examiner: Prof. Li-Rong Zheng Master Thesis TRITA-ICT-EX-2011:212 1 ACKNOWLEDGEMENTS I would like to thank: Professor Li-Rong Zheng for giving me the opportunity to do my master thesis project in IPACK group at KTH. Dr. Fredrik Jonsson for providing me with the interesting topic and
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Digital electronics‚ or digital (electronic) circuits‚ represent signals by discrete bands ofanalog levels‚ rather than by a continuous range. All levels within a band represent the same signal state. Relatively small changes to the analog signal levels due to manufacturing tolerance‚ signal attenuation or parasitic noise do not leave the discrete envelope‚ and as a result are ignored by signal state sensing circuitry. In most cases the number of these states is two‚ and they are represented by
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Submitted by: Hira Naqvi (2k8-ee-214) Roshaan Khan (2k8-ee-235) Usman Asif Khan (2k8-ee-253) Physiological Parameters Measurement Based on Wheelchair Embedded Sensors and Advanced Signal Processing Introduction:- This paper presents a multisensing system with wireless communication capabilities embedded on a smart wheelchair that can measure physiological parameters such as heart rate and respiratory rate in an unobtrusive way. Ballistocardiography
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A Paper presentation on REAL TIME IMAGE PROCESSING APPLIED TO TRAFFIC – QUEUE DETECTION ALGORITHM [pic] ABSTRACT_____________________ This paper primarily aims at the new technique of video image processing used to solve problems associated with the real-time road traffic control systems. There is a growing demand for road traffic data of all kinds. Increasing congestion problems and problems associated with existing detectors
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Analog and Digital Comparison Paper Kirk Samuda University of Phenix NTC/362 SEPTEMBER 30‚ 2013 There are so many new devices that allow the analog to digital‚ and digital to analog communication. These devices are needed to make the signal proper and allow for no noise on the line. This is what we call signal to noise ratio. Some of the hardware needed is some basic things‚ a modem is needed at a home or business‚ this turns analog to digital and vice versa. There is also components called
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Chapter-1: Introduction The purpose of a Communication System is to transport an information bearing signal from a source to a user destination via a communication channel. MODEL OF A COMMUNICATION SYSTEM(ANALOG) Information Source and Input Transducer I/P Signal TRANSMITTER CHANNEL Destination and Output Transducer O/P Signal RECEIVER Fig. 1.1: Block diagram of Communication System. The three basic elements of every communication systems are Transmitter‚ Receiver and Channel. The
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for this project is the GW-Instek (Model GDS-3152) Digital Storage Oscilloscope with a sampling rate of 150 MHz‚ as shown in Figure 38. Figure 38. GW-Instek oscilloscope The oscilloscope has a function to save the screenshots of the plots‚ as well as the 48 sampling data in the form of Excel file‚ which can be used for further analysis. The oscilloscope can also be linked directly to the computer for ease of data retrieval. This is a digital storage oscilloscope that has a function to save the
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The real world isn’t either analog or digital‚ but both. Analog and digital signals are mathematical representations of reality and is useful when we want to process information. We can recognize whether or not something is analog or digital by wave forms. Digital signals often show square shapes and analog shows no obvious pattern but sometimes shows a recognizable shape like a sine wave. Because of this‚ we can sometimes form an opinion about the type of signal by recognizing wave forms. There is
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IEEE SENSORS JOURNAL‚ VOL. 12‚ NO. 3‚ MARCH 2012 439 Film-Type Sensor Materials PVDF and EMFi in Measurement of Cardiorespiratory Signals— A Review Satu Rajala and Jukka Lekkala Abstract—In this paper‚ some recent results obtained with filmtype sensor materials polyvinylidenefluoride (PVDF) and electromechanical film (EMFi) are presented. The materials generate a voltage when they are mechanically deformed‚ however‚ because of their capacitive nature only the change of an external force
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