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Digital filters (Mathematics)

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• Digital electronics
• Filters (Mathematics)
• Fourier transformations
• Functional analysis
• Numerical analysis
• Numerical calculations

• Electric filters, Digital

• Data smoothing filters
• Filters, Digital (Mathematics)
• Linear digital filters (Mathematics)
• Linear filters (Mathematics)
• Numerical filters
• Smoothing filters (Mathematics)

• Application of adaptive noise cancellation to Coast Guard voice communications / (Washington, D.C. : U.S. Coast Guard, Office of Research and Development ; Springfield, Va. : National Technical Information Service [distributor, 1985]), by M. D. Sakahara, K. U. Dykstra, B. B. Peterson, United States. Coast Guard. Office of Research and Development, and United States Coast Guard Academy. Department of Engineering (page images at HathiTrust)
• Efficient numerical and analog modeling of flicker noise processes / ([Washington, D.C.] : U.S. National Bureau of Standards : For sale by the Supt. of Docs., G.P.O., 1971), by J. A. Barnes, Stephen Jarvis, and United States. National Bureau of Standards (page images at HathiTrust)
• Further developments in modeling digital control systems with MA-prefiltered measurements / (Washington, D.C. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Springfield, Va. : For sale by the National Technical Information Service, 1989), by Michael E. Polites (page images at HathiTrust)
• Digital filters, (Washington, For sale by the Office of Technical Services, Dept. of Commerce, [1964]), by Edward B. Anders, United States National Aeronautics and Space Administration, and Auburn Research Foundation (page images at HathiTrust)
• Burst processing / (Urbana : Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1979), by W. J. Poppelbaum (page images at HathiTrust)
• Digital filtering using burst processing techniques / (Urbana : Dept. of Computer Science, University of Illinois, 1977), by David Kevin Wells (page images at HathiTrust)
• Secondary errors and off-design conditions in optimal estimation of space vehicle trajectories / (Washington, D.C. : National Aeronautics and Space Administration : For sale by the Office of Technical Services, Dept. of Commerce, [1964]), by Gerald L. Smith and Ames Research Center (page images at HathiTrust)
• Digital filter synthesis ([Griffiss Air Force Base, N. Y., Rome Air Development Center, Research and Technology Division, Air Force Systems Command, 1967]), by Charles J. Greaves (page images at HathiTrust)
• Application of digital filtering to satellite geodesy / (Rockville, Md. : Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey, National Geodetic Survey, Geodetic Research and Development Laboratory ; Springfield, Va. : For sale by the National Technical Information Service, 1977), by Clyde C. Goad, National Geodetic Survey (U.S.), and Geodetic Research and Development Laboratory (page images at HathiTrust)
• An optical profilometer for spatial characterization of three-dimensioal surfaces / ([Washington] : National Aeronautics and Space Administration, Scientific and Technical Information Office ; Springfield, Va. : For sale by the National Technical Information Service, 1977), by W. Lane Kelly, Milton W Skolaut, Ernest E. Burcher, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Office (page images at HathiTrust)
• The design of numerical filters for geomagnetic data analysis / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, [1966]), by Kenneth W. Behannon, Norman F. Ness, and Goddard Space Flight Center (page images at HathiTrust)
• Vectorization of linear discrete filtering algorithms / (Washington : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1977), by James R. Scheiss and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Summary of the digital adaptive filter, digital polynomial filter and specification set control techniques applied to large launch vehicles / (Washington, D.C. : National Aeronautics and Space Administration, 1966), by John Zaborszky and William J. Luedde (page images at HathiTrust; US access only)
• Efficient numerical and analog modeling of flicker noise processes / ([Washington, D.C.] : U.S. National Bureau of Standards : For sale by the Supt. of Docs., Govt. Print. Off., 1971), by J. A. Barnes, Stephen Jarvis, and United States. National Bureau of Standards (page images at HathiTrust)
• Digital filters for explosion effects analysis / (Vicksburg, Miss. : Waterways Experiment Station, 1971), by Hendrik D. Carleton (page images at HathiTrust)
• Linear filtering on the surface of a sphere /, by Ralph Shapiro and U.S. Air Force Geophysics Laboratory (page images at HathiTrust)
• High speed digital filtering by convolution approximation /, by E. B. Weis and sponsor Aerospace Medical Research Laboratories (U.S.) (page images at HathiTrust)

• Design of recursive digital filters having specified phase and magnitude characteristics / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1972), by Robert E. King, Gregory W. Condon, U.S. Army Air Mobility Research and Development Laboratory, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Nomographs calculate values for twin-T notch filter /, by Tom G. Purnhagen and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)

Items below (if any) are from related and broader terms.

• Our Digital Rights to the City (London: Meatspace Press, 2017), ed. by Joe Shaw and Mark Graham (multiple formats wth commentary at meatspacepress.com)
• When Things Start to Think (c1999), by Neil A. Gershenfeld (HTML with commentary at kurzweilai.net)
• Designing Computers and Digital Systems Using PDP 16 Register Transfer Modules, by C. Gordon Bell, John Grason, and Allen Newell (illustrated HTML at Microsoft)
• Operator, organizational, DS, and GS maintenance manual : TPO equipment unit no. 7 logic trainer / (Fort Gordon, Ga. : The Center, 1984), by US Army Signal Center and Fort Gordon (page images at HathiTrust)
• Performance evaluation of the digital AM receiver / (Urbana : Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1975), by Paul L. Mohan, Jane W. S. Liu, and E. Bracha (page images at HathiTrust)
• A Transistor-magnetic core digital circuit / (Washington : Distributed by U.S. Dept. of Commerce, Office of Technical Services, 1961), by E. W. Hogue (page images at HathiTrust)
• Digital techniques. (Gunter Air Force Station, Ala. : Extension Course Institute, Air University, [1984]), by Daniel E. Van Sleet and Air University (U.S.). Extension Course Institute (page images at HathiTrust)
• Introduction to digital electronics : study guide / (Aberdeen Proving Ground, Md. : The School, 1985), by US Army Ordnance Center and School (page images at HathiTrust)
• Control point design using modular logic, (Urbana, Dept. of Computer Science, University of Illinois, 1970 [i.e. 1971]), by Christian A. Rey (page images at HathiTrust; US access only)

• Introduction to Digital Logic, With Laboratory Exercises (Global Text Project, c2010), by James Feher (PDF with commentary at textbookequity.org)

• Microseismic instrumentation developments : a tape triggering system and energy analyzer / ([Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1983), by Bernard J. Steblay (page images at HathiTrust)
• An automatic system for determining solar absorptance and thermal emittance of surfaces from spectral normal reflectance measurements / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information [distributor], 1965), by Louis A. Teichman, Harold D. Burks, and Langley Research Center (page images at HathiTrust)
• A personal computer based system for analog-to-digital and serial communication data acquisition / (La Jolla, Calif. : National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Science Center ; Springfield, VA : Available from the National Technical Information Service, [1990]), by Robert C Holland (page images at HathiTrust)
• An Analog-to-digital conversion supervision for the IBM 1800, (Urbana, Dept. of Computer Science, University of Illinois, 1969), by Hartley A Chelin (page images at HathiTrust)
• Design of a high speed A/D converter. (Urbana, 1968), by Arthur Simons (page images at HathiTrust)
• A calibration service for analog-to-digital and digital-to-analog converters / (Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards ; For sale by the Supt. of Docs., U.S. G.P.O., 1981), by T. Michael Souders, B. A. Bell, Donald R. Flach, and United States. Department of Defense. Calibration Coordinating Group (page images at HathiTrust)
• Digital filter synthesis ([Griffiss Air Force Base, N. Y., Rome Air Development Center, Research and Technology Division, Air Force Systems Command, 1967]), by Charles J. Greaves (page images at HathiTrust)
• Development of an inherently digital transducer / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1972), by Richard R. Richard, Manned Spacecraft Center (U.S.), and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Microseismic instrumentation developments : a tape triggering system and energy analyzer / ([Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1983), by Bernard J. Steblay (page images at HathiTrust)
• Automatic digital recording of Hanford reactor outlet water temperatures : final report / (Oak Ridge, Tenn. : United States Atomic Energy Commission, Technical Information Extension ; [Washington, D.C. : Available from the Office of Technical Services, Dept. of Commerce, 1955]), by D. E. Stephens, Hanford Atomic Products Operation, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Proceedings of the Waveform Recorder Seminar : proceedings of the Seminar on Waveform Recorder Measurement Needs and Techniques for Evaluation/Calibration, held in Boulder, CO, Oct. 15, 1981 / (Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards, 1982), by Colo.) Seminar on Waveform Recorder Measurement Needs and Techniques for Evaluation/Calibration (1981 : Boulder, Robert A. Lawton, and United States. National Bureau of Standards (page images at HathiTrust)

• Theory of asynchronous circuits / (Urbana, Illinois : University of Illinois, Graduate College, Digital Computer Laboratory, 1955), by David E. Muller, University of Illinois at Urbana-Champaign. Department of Computer Science, and University of Illinois at Urbana-Champaign. Graduate College. Digital Computer Laboratory (page images at HathiTrust)
• A theory of asynchronous circuits I / (Urbana, Illinois : University of Illinois, Graduate College, Digital Computer Laboratory, 1955), by David E. Muller, W. Scott author Bartky, University of Illinois at Urbana-Champaign. Department of Computer Science, and University of Illinois at Urbana-Champaign. Graduate College. Digital Computer Laboratory (page images at HathiTrust)
• A theory of asynchronous circuits I / (Urbana, Illinois : University of Illinois, Graduate College, Digital Computer Laboratory, 1957), by David E. Muller, W. Scott author Bartky, University of Illinois at Urbana-Champaign. Department of Computer Science, and University of Illinois at Urbana-Champaign. Graduate College. Digital Computer Laboratory (page images at HathiTrust)

• Entropy and Information Theory (electronic edition, 2000), by Robert M. Gray (PDF at Stanford)
• Sequential Decoding (research monograph #10; Cambridge, MA: MIT Press, c1961), by John M. Wozencraft and Barney Reiffen (page images at HathiTrust)
• Text Encoding Initiative Guidelines for Electronic Text Encoding and Interchange, by TEI Consortium (HTML with commentary at tei-c.org)
• Simulation results for the Viterbi decoding algorithm / (Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1972), by Bartus H. Batson, S. Zafar H. Taqvi, Robert W. Moorehead, and Manned Spacecraft Center (U.S.) (page images at HathiTrust)
• An analysis of burst encoding methods and transmission properties / (Urbana : Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1975), by Gary Lewis Taylor (page images at HathiTrust)
• Cyclic spot-error-correcting codes. (Urbana. Ill. : Dept. of Computer Science ;, 1963), by Clinton Ross Foulk (page images at HathiTrust)
• Difference-preserving codes, (Urbana, Illinois : Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1973), by Franco P. Preparata and Jürg Nievergelt (page images at HathiTrust)
• General theory of most efficient codes. (Urbana, 1964), by Yasuo Komamiya (page images at HathiTrust)
• Transformations on loop-free program schemata. (Urbana, Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1972), by Nurit Bracha (page images at HathiTrust)
• Aviation coding manual ([Washington, D.C.?] : National Transportation Safety Board, [1995-]), by United States. National Transportation Safety Board (page images at HathiTrust)
• A review of data compression algorithms / (Washington : Defense Communications Agency ; Springfield, Va. : reproduced by National Technical Information Service, 1976), by United States. Defense Communications Agency. Command & Control Technical Center, P Stoneburner, J McNemar, and C Holborrow (page images at HathiTrust)
• Introduction à la philosophie : contenant la metaphysique, et la logique / (Leide : Chez Jean et Herm. Verbeek, 1748), by Willem Jacob 's Gravesande, trans. by Elias de Joncourt (page images at HathiTrust)
• Nonlinear shift-register sequences / (Pasadena : California Institute of Technology, 1957), by Solomon W. Golomb (page images at HathiTrust; US access only)
• Error control using a concatenated code / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical, Springfield, Virginia 22151], 1970), by Bernhard Dorsch, Warner H. Miller, Goddard Space Flight Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• A comparison of sequential decoding metrics by computer simulation, ([Washington] National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield Va., [1969]), by Thomas V. Saliga (page images at HathiTrust; US access only)
• Study of correlation coding / (Rome, N.Y. : Rome Air Development Center, Air Force Systems Command, Griffiss Air Force Base, [1967]), by G. David Forney (page images at HathiTrust)
• Comparison of phase-coherent and non-phase-coherent coded communications / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, [1966]), by James P. Strong, Thomas V. Saliga, and Goddard Space Flight Center (page images at HathiTrust)
• Coding an analog variable for constant percentage error / (Washington, D.C. : National Aeronautics and Space Administration : For sale by the Office of Technical Services, Dept. of Commerce, [1964]), by Rodger A. Cliff and Goddard Space Flight Center (page images at HathiTrust)
• Examples of coding schemes based on strategic value / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, [1969]), by William W. Happ, United States National Aeronautics and Space Administration, and Electronics Research Center (U.S.) (page images at HathiTrust)
• Theoretical and subjective bit assignments in transform picture processing / (Washington : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1977), by Harry W. Jones and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Average digit error probability after decoding random linear codes /, by John N. Pierce and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Data compression--a comparison of methods / (Washington, D.C. : U.S. Dept. of Commerce, National Bureau of Standards : For sale by Supt. of Docs., U.S. Govt. Print. Off., 1977), by Jules Aronson, United States. National Bureau of Standards. Special publication, and Institute for Computer Sciences and Technology (page images at HathiTrust)
• The IVY system / (Los Alamos, N.M. : Los Alamos Scientific Laboratory of the University of California, 1961), by Forrest W. Brinkley, U.S. Atomic Energy Commission, and Los Alamos Scientific Laboratory (page images at HathiTrust)
• Dual coding system / (Los Alamos, N.M. : Los Alamos Scientific Laboratory of the University of California, 1953), by Stewart I. Schlesinger, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• A logarithmic encoder for binary word compression / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1967), by Joseph A. Sciulli, Goddard Space Flight Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Preliminary manual for QUIKOD : a programming system for the IBM 709/7090 data processing machines / (Albuquerque, New Mexico : Sandia Corporation ; Washington, D.C. : Available from the Office of Technical Services, Dept. of Commerce, 1961), by L. E. West, U.S. Atomic Energy Commission, and Sandia Corporation (page images at HathiTrust)
• Visual data transmission /, by Ronald J. Massa, Defense Documentation Center (U.S.), and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Alphacode for Wegematic 1000 and Alvac III-E /, by John Midtdal and issuing body Aerospace Research Laboratories (U.S.) (page images at HathiTrust)
• A note on a result in the theory of code construction /, by R. C. Bose, S. S. Shrikhande, United States. Air Force. Office of Scientific Research, and University of North Carolina at Chapel Hill (page images at HathiTrust)
• Self-orthogonal codes of half dimension over GF(2) /, by Vera Pless and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• Comparison of four methods of encoding elevation information with complex line-inclination symbols /, by David B. Learner, Earl A. Allusi, sponsor United States. Air Force. Air Research and Development Command, issuing body Wright Air Development Center, and sponsor Ohio State University. Research Foundation (page images at HathiTrust)
• Some classes of optimal self-dual codes /, by John N. Pierce and sponsor Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)

More items available under broader and related terms at left.