Telecommunications and Signal Processing at UT Austin. Prof. Brian L. Evans http://www.ece.utexas.edu/~bevans. Department of Electrical and Computer Engineering The University of Texas at Austin, Austin, TX 787121084. http://www.ece.utexas.edu. Outline. Introduction
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Prof. Brian L. Evans
http://www.ece.utexas.edu/~bevans
Department of Electrical and Computer EngineeringThe University of Texas at Austin, Austin, TX 787121084
http://www.ece.utexas.edu
http://www.ece.utexas.edu/telecom/faculty.html
Telecommunications & Signal Processing Courses
Yellow underlined: four courses using TI DSPsGreen italics: three courses using Motorola microcontrollers
Wireline Communications (Evans)
S2
S3
S4
FSM
Touchtone Decoding for Central OfficesWireline Communications (Evans)
Window where the shortened impulse response is allowed to be nonzero
Original channel impulse response
Impulse response after shortening
Improving Performance of ADSL ModemsWireline Communications (Evans)
Narrow Band Testbed (1.8 GHz) nonzero
TX/RX Circuit Board
Wireless Base Station DesignWireless Communications (Xu & Ling)
Sumofabsolute differences
Wireless Communications (Bovik & Evans)
Wireless Communications (Bovik & Evans)
Original Image nonzero
Halftoned Image
Inverse Halftone
Improving Image Quality in Printers and CopiersRaster Image Processing (Evans)
Original nonzero
Compressed (5:1)
NextGeneration Fax MachinesRaster Image Processing (Evans)
Power Quality (Powers & Grady)
Computer Architecture (Patt)
channel frequency response
magnitude
a carrier
a subchannel
frequency
Appendix: Wireline Communications
VLC nonzero
VLC
ITUT H.263 Video EncoderCoding control
Control info
2D DCT
Q

Video in
Quantizer index for transform coefficient
Q1
DCT = Discrete Cosine TransformMCP = Motion CompensationVLC = Variable Length Coding
2D
IDCT
+
MCP
Motion vectors
Appendix: Wireless Communications
Filtered nonzero
white noise added
White noise added
SNR=10.00dB
SNR=10.00dB
NQM=20.47dB
NQM=32.65dB
Model Based Image Quality AssessmentAppendix: Raster Image Processing (Evans)
F(t nonzero1,t2,…,tn)
+
+
+
DBF
+
Errorfilter
+
WYSIWYG halftone
Greyscale image
Adaptive Algorithms for Image HalftoningAppendix: Raster Image Processing (Evans)
Far nonzero
Field
Near
Field
Speaker Localization Using Neural NetworksAppendix: Speech Processing (Evans)
Linearized phase in passband nonzero
Minimized peak overshoot
Original
Optimized
MultiCriteria Analog/Digital IIR Filter Designhttp://www.ece.utexas.edu/~bevans/projects/syn_filter_software.html
Appendix: Filter Optimization (Evans)