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Content tagged with: LabVIEW

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Electronics Experiments Using USB Data Acquisition (col10393)
Author: Erik Luther
Keywords: acquisition, analog, converter, counter, daq, data, data acquisition, digital, experiment, Indra-red, Infrared, io, IR, lab, laboratory, labview, oscilloscope, portable, remote, scope, studentscope, usb
Summary: This set of student labs are designed to allow anyone to recreate simple experiments at home to explore electronics and Electrical Engineering concepts. The software and hardware utilized are LabVIEW and NI Low Cost USB data acquisition devices.
Subject: Science and Technology
Language: English
Popularity: 87.23%
Revised: 2006-12-15
Revisions: New
Intersymbol Interference (ISI) and the Eye Diagram (m18662)
Author: Ed Doering
Keywords: channel bandwidth, delay distortion, eye diagram, eye pattern, intersymbol interference, ISI, jitter, LabVIEW, noise margin, raised cosine pulse, rectangular pulse, sinc pulse, timing sensitivity
Summary: This project studies intersymbol interference (ISI) in an intuitive way by using a LabVIEW VI to simulate a pulse transmitter, finite bandwidth channel, and received signaling waveform. Rectangular pulses are considered first to demonstrate the ISI problem, and then two alternative pulse shapes are explored as a way to minimize ... ISI phenomenon.
Subject: Science and Technology
Language: English
Popularity: 95.46%
Revised: 2008-11-29
Revisions: New
Caller ID Decoder (m18708)
Author: Ed Doering
Keywords: bitstream regeneration, Caller ID, channel seizure, data block, demodulator, frames, frequency shift keying, FSK, LabVIEW, local oscillator, MDMF, Multiple Data Message Format, phase lock loop, PLL, steady mark
Summary: The telephone company's "Caller ID" service provides the calling party's directory information as well as the time and date of the call as an FSK (frequency shift keying) signal between the first and second rings of a telephone call. In this project, develop a complete Caller ID decoder ... for display.
Subject: Science and Technology
Language: English
Popularity: 91.67%
Revised: 2008-12-03
Revisions: New
Binary ASK Transmitter (m18668)
Author: Ed Doering
Keywords: amplitude shift keying, ASK, digital communications, digital continuous wave modulation, impulse response, pulse shaping filter, raised cosine pulse, rectangular pulse, speaker-air-microphone channel, transmit filter
Summary: A binary ASK transmitter and receiver is designed to transmit digital information over a "speaker-air-microphone" (SAM) channel. Listening to the channel while making parameter adjustments and viewing plots builds additional insights into the ASK modulation scheme. This project describes the various tradeoffs affecting bandwidth and information rate and ... transmit filter.
Subject: Science and Technology
Language: English
Popularity: 93.41%
Revised: 2008-11-29
Revisions: New
DSP Laboratory: IIR Filter Design via the Bilinear Transformation (m13039)
Author: Erik Luther
Keywords: 6711, Digital, dsk, DSP, labview, LabVIEW DSP, lv, Processing, Signal, speedy, speedy 33, texas instruments, ti, tidsk
Summary: The purpose of this lab is to examine IIR filter design/implementation using LabVIEW DSP. Particular attention is drawn to the comparison between theoretical filter characteristics and actual filter performance. In this lab, it is assumed that the student is already familiar with the basic operation of LabVIEW DSP.
Subject: Science and Technology
Language: English
Popularity: 91.19%
Revised: 2005-09-20
Revisions: New
Interactive Digital Filter Design - Online Tool for IIR Filter and FIR Filter Design (m13115)
Keywords: Digital Signal Processing, DSP, Filter Design, FIR Filter, Free, IIR Filter, LabVIEW, Signal Processing, SP, Utility
Summary: The Digital Filter Design Utility is software that allows you to interactively specify and design floating point digital filters. This utility was created with LabVIEW and the Digital Filter Design Toolkit and compiled into a stand-alone application for your use. The full Digital Filter Design Toolkit contains a complete ... programming language.
Subject: Science and Technology
Language: English
Popularity: 98.28%
Revised: 2007-08-20
Revisions: 10
Interactive Signal Processing Laboratory Simulations (m13243)
Author: Erik Luther
Summary: This module contains 55 online signal processing simulations created in National Instruments LabVIEW. These simulations provide examples to textbook signal processing concepts. These simulations include aliasing, convolution, effects of windowing in the frequency domain, and filtering.
Subject: Science and Technology
Language: English
Popularity: 86.44%
Revised: 2008-04-28
Revisions: 6
Speaker-Air-Microphone (SAM) Channel Characterization (m18666)
Author: Ed Doering
Keywords: audio communications channel, band limited channel, channel characterization, LabVIEW, microphone, soundcard interface, speaker, speaker-air-microphone channel, wireless communications
Summary: A speaker and microphone connected to a computer serve as an excellent communications channel because the transmitted information is audible. Listening to the channel while making parameter adjustments and viewing plots builds additional insight into the specific modulation scheme under study. This project describes how to characterize a "speaker-air ... modulation techniques.
Subject: Science and Technology
Language: English
Popularity: 81.85%
Revised: 2008-12-10
Revisions: 2
Hamming Block Code Channel Decoder (m18665)
Author: Ed Doering
Keywords: binary symmetric channel, block coding, channel decoder, channel encoder, checkbits, correction power, error control coding, error correction, error detection, generator matrix, Hamming code, Hamming distance, LabVIEW, modulo-2 matrix multiplication, (n,k) block code, syndrome, syndrome table, table lookup decoder
Summary: Channel encoding inserts additional information into a transmitted bit stream to facilitate error detection and error correction at the receiver. Block coding breaks up a bit stream into words of length k bits and appends check bits to form a codeword of length n bits. A corresponding channel decoder examines ... encoder/decoder system.
Subject: Science and Technology
Language: English
Popularity: 85.80%
Revised: 2010-01-11
Revisions: 2
Communication Systems Projects with LabVIEW (col10610)
Author: Ed Doering
Keywords: ASK, bandpass communications, Caller ID, channel coding, coherent detection, communication systems, error control, eye diagram, FSK demodulation, Hamming block code, intersymbol interference, ISI, LabVIEW, LabVIEW Modulation Toolkit, PAM, receiver, simulation, texting, transmitter, visualization
Summary: "Communication Systems Projects with LabVIEW" features ten project activities in digital communication systems based on the LabVIEW graphical dataflow programming platform. Each project includes introductory material in the form of text and narrated screencast videos, specifications for low-level subVI building blocks, and step-by-step instructions to assemble application ... Speaker-Air-Microphone Channel.
Subject: Science and Technology
Language: English
Popularity: 94.81%
Revised: 2009-12-15
Revisions: 2
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