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An Introduction to the FDM-TDM Digital Transmultiplexer
(col11165)
Author:
John Treichler
Keywords:
FDM-TDM
,
signal processing
,
transmultiplexer
Subject:
Science and Technology
Language:
English
Popularity:
47.55%
Revised:
2010-11-16
Revisions:
2
Notes on the Design of Optimal FIR Filters
(col10553)
Author:
John Treichler
Keywords:
digital signal processing
,
FIR
,
FIR digital filters
,
Parks-McClellan
Summary:
A recurring technical task development of digital signal processing products and systems is the design of FIR digital filters. Fortunately some excellent software packages exist for the automatic synthesis of impulse responses for such filters, many of them based on the now-famous Parks-McClellan algorithm. Unfortunately, there is still ... is used.
[Expand Summary]
A recurring technical task development of digital signal processing products and systems is the design of FIR digital filters. Fortunately some excellent software packages exist for the automatic synthesis of impulse responses for such filters, many of them based on the now-famous Parks-McClellan algorithm. Unfortunately, there is still some mystery about how to use the software and, equally important, how to estimate impulse response lengths short of actually designing the filter itself. This technical note primarily addresses the second problem and indirectly discusses a bit the first. We examine here how to convert a typical filter specification in terms of cutoff frequency, passband ripple, etc., into a reasonably accurate estimate of the length of the impulse response. Not only does this estimate suffice for most design tradeoff exercises, it usually allows the Parks-McClellan routines to be employed only once or twice rather than the multiple times needed when the “cut-and-try" method is used.
[Collapse Summary]
Subject:
Science and Technology
Language:
English
Popularity:
87.78%
Revised:
2009-09-14
Revisions:
3
"Notes on the Design of Optimal FIR Filters" Appendix A
(m17237)
Author:
John Treichler
Keywords:
digital signal processing
,
FIR filter design
Subject:
Science and Technology
Language:
English
Popularity:
32.36%
Revised:
2009-09-15
Revisions:
3
"Notes on the Design of Optimal FIR Filters" Appendix B
(m17238)
Author:
John Treichler
Keywords:
digital signal processing
,
FIR digital filters
Subject:
Science and Technology
Language:
English
Popularity:
40.92%
Revised:
2009-09-15
Revisions:
3
"Notes on the Design of Optimal FIR Filters" Appendix C
(m17239)
Author:
John Treichler
Keywords:
digital signal processing
,
FIR digital filters
Subject:
Science and Technology
Language:
English
Popularity:
27.25%
Revised:
2009-09-15
Revisions:
3
An Introduction to the FDM-TDM Digital Transmultiplexer: Appendix A
(m32646)
Author:
John Treichler
Keywords:
Demultiplexer
,
Equal-Ripple
,
Filter Design
,
FIR Filter
,
Linear Phase
,
Lowpass
,
Noise Power Ratio
,
Passband
,
Signal-to-Noise Ratio
,
Telegraphy Demodulation
Subject:
Mathematics and Statistics
Language:
English
Popularity:
42.70%
Revised:
2009-11-18
Revisions:
2
An Introduction to the FDM-TDM Digital Transmultiplexer: Appendix B
(m32672)
Author:
John Treichler
Keywords:
FDM
,
FORTRAN
,
Offset Bin Operation
,
Real-Valued Outputs
,
TDM Transmultiplexer
Subject:
Mathematics and Statistics
Language:
English
Popularity:
20.93%
Revised:
2009-11-18
Revisions:
2
An Introduction to the FDM-TDM Digital Transmultiplexer: Appendix C
(m32675)
Author:
John Treichler
Keywords:
FDM
,
Signal
,
TDM
,
Transmultiplexer
Subject:
Mathematics and Statistics
Language:
English
Popularity:
64.95%
Revised:
2009-11-19
Revisions:
2
An Introduction to the FDM-TDM Digital Transmultiplexer: Conclusion
(m32642)
Author:
John Treichler
Keywords:
FDM-TDM
,
Göckler
,
Schuermann
,
Transmultiplexer
,
Transmux
Subject:
Mathematics and Statistics
Language:
English
Popularity:
34.21%
Revised:
2009-11-18
Revisions:
2
An Introduction to the FDM-TDM Digital Transmultiplexer: Introduction
(m31543)
Author:
John Treichler
Keywords:
Digital Signal Processing
,
FDM-TDM
,
Transmultiplexer
Subject:
Mathematics and Statistics
Language:
English
Popularity:
33.64%
Revised:
2009-11-19
Revisions:
4
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