digital data to digital signal conversion ppt

Tài liệu PDA Robotics - Using Your Personal Digital Assistant to Control Your Robot ppt

... stepping motors. Two enable inputsare provided to enable or disable the device independently of theinput signals. The emitters of the lower transistors of each bridge areconnected together, ... including Telefunken’s TOIM4232 andTOIM3232. At a minimum, a current-limiting resistor in series withthe IRED and a VCC bypass capacitor are the only external compo-nents required to implement a complete ... communication link to PDA-Bot; inessence, it will be the spinal cord. PDA Robot responds to IrDAdiscovery requests and identifies itself as “generic IrDA.” I decid-ed to use an IrDA data link to the Robot...

Tài liệu An Introduction to Statistical Signal Processing ppt

Danh mục: Tin học văn phòng

... processes to produce other processes.The intentional operation on a signal produced by one process, an “input signal, ” to produce a new signal, an “output signal, ” is generally referred to as signal ... a digital link,noise in the digital link can cause errors in reconstructed bits, thebits can then be used to reconstruct the original signal within somefidelity. All of these operations on signals ... arevirtually buried in noise added to them on route and in the frontend amplifiers of the powerful receivers used to retrieve the signals.By suitably preparing the signals prior to transmission, by suitablefiltering...

Báo cáo khoa học: Utilizing logical relationships in genomic data to decipher cellular processes pptx

Danh mục: Báo cáo khoa học

... (referred to hereafter as an information coefﬁcient) comparingeither the logically combined vectors or individual vec-tors A or B with vector C, conditioned on the infor-mation available in vector ... suc-cessfully to other types of genomic data? We analyzedlogical relationships within microarray expression data, with attention to identifying logical combinations ofproteins that led directly to the ... haspreviously been shown to be under-expressed in amelo-blastoma tumors while CDK5R2 has been implicatedin mediating apoptosis in human glioblastoma multi-form cells. Together these observations...

Interactive Data to Improve Financial Reporting ppt

Danh mục: Tài chính doanh nghiệp

... filers is intended to permit companies to plan and implement their data tagging with the benefit of the experience of year one filers. It also is intended to enable us to monitor implementation ... information to companies and investors, and that mandated interactive data use would provide the incentives to drive sufficient investment in software to enable widespread adoption of interactive data. 100 ... data to cause them to reflect the same information.226 2. Use of Technology to Detect Errors Complete, accurate, and reliable financial statements and other disclosures are essential to...

The Scientist and Engineer''''s Guide to Digital Signal Processing pptx

Danh mục: Kỹ thuật lập trình

... removed with a digital low-pass filter. After conversion to an analog signal through a DAC, a simple RC network is all thatis required to produce the final voice signal. Multirate data conversion ... Engineer's Guide to Digital Signal ProcessingSecond Edition The Scientist and Engineer's Guide to Digital Signal Processing70EQUATION 4-1Equation for converting a bit pattern into afloating ... Guide to Digital Signal Processing52filters: the cutoff frequency of the filter is directly proportional to the clockfrequency used to drive the switches. This makes the switched capacitor filterideal...

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The Scientist and Engineer's Guide to Digital Signal Processing Second Edition

Danh mục: Kỹ thuật lập trình

... 35The Sampling Theorem 39 Digital- to- Analog Conversion 44Analog Filters for Data Conversion 48Selecting the Antialias Filter 55Multirate Data Conversion 58Single Bit Data Conversion 60Chapter ... Continuous Signal Processing 243 DIGITAL FILTERSChapter 14. Introduction to Digital Filters 261Chapter 15. Moving Average Filters 277Chapter 16. Windowed-Sinc Filters 285Chapter 17. Custom Filters ... this book. If youdo not wish to be bound by the above, you may return this book to the publisher for a full refund.The Scientist and Engineer's Guide to Digital Signal ProcessingSecond EditionbySteven...

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Introduction to Digital Signal Processing and Filter Design

Danh mục: Kỹ thuật lập trình

... can be considered a bandlimited signal. It is this signal thatis sampled and converted to a discrete-time signal and coded to a digital signal by the analog -to -digital converter (ADC) that was ... ability to compress the data bya signiﬁcant factor and receive the input signal at lower cost and very goodquality. To point out the power of digital signal processing theory and the digital signal ... sinusoidal signal, which is a continuous-time signal, and a discrete-time signal. We dis-cussed the basic procedure followed to sample and quantize an analog signal ANALOG AND DIGITAL SIGNAL PROCESSING25different...

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Analog-to-Digital Conversion

Danh mục: Kỹ thuật lập trình

... to an analog signal for people to hear. Theprocess to convert digital signals to analog signals is completed by a DAC. The most commonlyused technique to convert digital signals to analog signals ... intoFIGURE 3.4: Quantization. ANALOG -TO -DIGITAL CONVERSION 553.3.2 IntegrationThe integration technique uses an integrator, a comparator, and a controller to convert analogsignals to digital ... less time to convert compared with a large value.3.3.3 Counter-Based Conversion The third technique to convert an analog signal to a digital signal is the counter-based conversion. This conversion...

Introduction to Digital Signal Processing and Filter Design - Introduction

Danh mục: Kỹ thuật lập trình

... ability to compress the data bya significant factor and receive the input signal at lower cost and very goodquality. To point out the power of digital signal processing theory and the digital signal ... may have to tune each of them to correct for manufacturingtolerances, but there is no such need to test the accuracy of the wordlength in digital filters. Data on digital filters can be stored on ... output data decrease.For example, data on a few ADCs currently available are given in Table 1.3 [3].Hence digital signal processing is restricted to approximately one megahertz,and analog signal...

Tài liệu Real Time Digital Signal Processing pptx

Danh mục: Hóa học - Dầu khí

... REAL-TIME DIGITAL SIGNAL PROCESSING 1Introduction to Real-Time Digital Signal ProcessingSignals can be divided into three categories ± continuous-time (analog) signals,discrete-time signals, and digital ... `discrete-time' and `digital& apos; inter-changeably. Digital signal processing (DSP) is concerned with the digital representation of signalsand the use of digital hardware to analyze, modify, ... INTRODUCTION TO TMS320C55X DIGITAL SIGNAL PROCESSOR BB CB DB32 bits Data computationunit(DU)Programflow unit(PU)Address data flow unit(AU)C55x CPUInstructionbuffer unit(IU)Two 24-bit data- write...

Tài liệu 05 Analog-to-Digital Conversion Architectures docx

Danh mục: Cơ khí - Chế tạo máy

... and hold is then applied to an analog -to -digital converter (A/D) circuit wherethesampledanalogsignal is convertedtoadigitallycodedsignal. The digital signalisthenappliedtoc1999 by CRC Press ... and analog signal dynamic r angec1999 by CRC Press LLC 5.4 Analog -to -Digital Converter ArchitecturesTheanalog -to -digital( A/D)converter,alsoknown asanADC,encodesananalogsignalintoadigitalword. ... an LSB.The conversion rate speciﬁes the rate at which a digital code (analog signal) can be accuratelyconvertedintoananalogsignal(digitalcode). Accuracyisoftenexpressedasafunctionofconversionrate...

High-Performance, 16-bit Digital Signal Controllers ppt

Danh mục: Hóa học - Dầu khí

... programming data. Prior to the actual programming operation, the write data mustbe loaded into the panel write latches. The data to beprogrammed into the panel is loaded in sequentialorder into the ... instructions store either a trun-cated (SAC) or rounded (SAC.R) version of the contentsof the target accumulator to data memory via the X bus(subject to data saturation, see Section 2.4.2.4 Data Space ... & Table Data AccessControl BlockStackControl LogicLoopControlLogic Data LatchData LatchY Data (1 Kbyte)RAMX Data (1 Kbyte)RAMAddressLatchAddressLatchControl Signals to Various...

Báo cáo hóa học: " Analog-to-Digital Conversion Using Single-Layer Integrate-and-Fire Networks with Inhibitory Connections" potx

Danh mục: Báo cáo khoa học

... stream to multiple A/D converters. After data conversion, the binary data is reintegrated into a con-tinuous data stream using a demultiplexer (see Figure 1). In 2072 EURASIP Journal on Applied Signal ... modulator indicating the discrete time integrator, quantizer, and feedback path utilizing a digital- to- analog converter. The output data y[n] is subsequently lowpass ﬁltered and decimated by a digital ... Iwata, “VLSI-A to D and D to A converters with multi-stage noise shapingmodulators,” in Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing, vol. 11, pp. 1545–1548, Tokyo, Japan, April...