Academic literature on the topic 'Direct Digital Synthesis'
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Journal articles on the topic "Direct Digital Synthesis"
Calbaza, D. E., and Y. Savaria. "A direct digital period synthesis circuit." IEEE Journal of Solid-State Circuits 37, no. 8 (August 2002): 1039–45. http://dx.doi.org/10.1109/jssc.2002.800923.
Full textMachacek, Zdenek, Martin Gabzdyl, and Viktor Michna. "Direct digital synthesis based - function generator with digital signal modulations." IFAC Proceedings Volumes 43, no. 24 (2010): 189–94. http://dx.doi.org/10.3182/20101006-2-pl-4019.00036.
Full textManivannan, K., and C. Eswaran. "Direct synthesis approach for GIC digital filters." Electronics Letters 24, no. 10 (May 12, 1988): 624–26. http://dx.doi.org/10.1049/el:19880423.
Full textMcEwan, Alistair, and Steve Collins. "Direct Digital-Frequency Synthesis by Analog Interpolation." IEEE Transactions on Circuits and Systems II: Express Briefs 53, no. 11 (November 2006): 1294–98. http://dx.doi.org/10.1109/tcsii.2006.882349.
Full textTao Wang. "Signal Generator Based on Direct Digital Synthesis Techniques." International Journal of Digital Content Technology and its Applications 5, no. 8 (August 31, 2011): 24–30. http://dx.doi.org/10.4156/jdcta.vol5.issue8.4.
Full textSneka, C., D. Anusha, P. Sivasankari, K. Sivasankari, and C. Thiruvengadam. "Realization of Direct Digital Synthesis in Cordic Algorithm." International Journal of Advanced Scientific Research and Development (IJASRD) 6, no. 4 (May 10, 2019): 01. http://dx.doi.org/10.26836/ijasrd/2019/v6/i4/60401.
Full textSeldowitz, Michael A., Jan P. Allebach, and Donald W. Sweeney. "Synthesis of digital holograms by direct binary search." Applied Optics 26, no. 14 (July 15, 1987): 2788. http://dx.doi.org/10.1364/ao.26.002788.
Full textChren, W. A. "RNS-based enhancements for direct digital frequency synthesis." IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing 42, no. 8 (1995): 516–24. http://dx.doi.org/10.1109/82.404073.
Full textCalbaza, D. E., and Y. Savaria. "Direct digital frequency synthesis of low-jitter clocks." IEEE Journal of Solid-State Circuits 36, no. 3 (March 2001): 570–72. http://dx.doi.org/10.1109/4.910498.
Full textLi, Zhi-Yuan, Hai-Feng Yu, Xin-Sheng Tan, Shi-Ping Zhao, and Yang Yu. "Manipulation of superconducting qubit with direct digital synthesis." Chinese Physics B 28, no. 9 (September 2019): 098505. http://dx.doi.org/10.1088/1674-1056/ab37f9.
Full textDissertations / Theses on the topic "Direct Digital Synthesis"
McEwan, Alistair. "Direct digital synthesis by analogue interpolation." Thesis, University of Oxford, 2004. http://ora.ox.ac.uk/objects/uuid:3def187d-5172-463c-9498-55898782f663.
Full textShankar, Udaya. "Implementation of digital modulation techniques using direct digital synthesis." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03302010-020333/.
Full textPitchford, Randall S. "Telemetry Simulation Using Direct Digital Synthesis Techniques." International Foundation for Telemetering, 1990. http://hdl.handle.net/10150/613393.
Full textDirect digital synthesis technology has been employed in the development of a telemetry data simulator constructed for the Western Space and Missile Center (WSMC). The telemetry simulator, known as TDVS II, is briefly described to provide background; however, the principal subject is related to the development of programmable synthesizer modules employed in the TDVS II system. The programmable synthesizer modules (or PSMs) utilize direct digital synthesizer (DDS) technology to generate a variety of common telemetry signals for simulation output. The internal behavior of DDS devices has been thoroughly examined in the literature for nearly 20 years. The author is aware of significant work in this area by every major aerospace contractor, as well as a broad range of activity by semiconductor developers, and in the universities. The purpose here is to expand awareness of the subject and its basic concepts in support of applications for the telemetry industry. During the TDVS II application development period, new DDS devices have appeared and several advances in device technology (in terms of both speed and technique) have been effected. Many fundamental communications technologies will move into greater capacity and offer new capabilities over the next few years as a direct result of DDS technology. Among these are: cellular telephony, high-definition television and video delivery systems in general, data communications down to the general business facsimile and home modem level, and other communications systems of various types to include telemetry systems. A recent literature search of the topic, limited only to documents available in English, indicates that some 25 articles and dissertations of significance have appeared since 1985, with over 30% of these appearing in international forums (including Germany, Japan, Great Britain, Portugal, Finland...). Product advertisements can readily be found in various publications on test instruments, amateur radio, etc., which indicate that international knowledge and product application of the technology is becoming increasingly widespread.
Gordon, Michael. "SGLS COMMAND DATA ENCODING USING DIRECT DIGITAL SYNTHESIS." International Foundation for Telemetering, 1992. http://hdl.handle.net/10150/608937.
Full textThe Space Ground Link Subsystem (SGLS) provides full duplex communications for commanding, tracking, telemetry and ranging between spacecraft and ground stations. The up-link command signal is an S-Band carrier phase modulated with the frequency shift keyed (FSK) command data. The command data format is a ternary (S, 1, 0) signal. Command data rates of 1, 2, and 10 Kbps are used. The method presented uses direct digital synthesis (DDS) to generate the SGLS command data and clock signals. The ternary command data and clock signals are input to the encoder, and an FSK subcarrier with an amplitude modulated clock is digitally generated. The command data rate determines the frequencies of the S, 1, 0 tones. DDS ensures that phase continuity will be maintained, and frequency stability will be determined by the microprocessor crystal accuracy. Frequency resolution can be maintained to within a few Hz from DC to over 2 MHZ. This allows for the generation of the 1 and 2 Kbps command data formats as well as the newer 10 Kbps format. Additional formats could be accommodated through software modifications. The use of digital technology provides for encoder self-testing and more comprehensive error reporting.
Olsen, James Jonathan. "Phase truncation effects in direct digital frequency synthesis." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/15115.
Full textMICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.
Bibliography: leaf 63.
by James Jonathan Olsen.
M.S.
Källström, Petter. "Direct Digital Frequency Synthesis in Field-Programmable Gate Arrays." Thesis, Linköping University, Department of Electrical Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-56550.
Full textThis thesis is about creation of a Matlab program that suggests and automatically generates a Phase to Sine Amplitude Converter (PSAC) in the hardware language VHDL, suitable for Direct Digital Frequency Synthesis (DDFS). Main hardware target is Field Programmable Gate Arrays (FPGAs).
Focus in this report is how an FPGA works, different methods for sine amplitude generation and their signal qualities vs the hardware resources they use.
Detta exjobb handlar om att skapa ett Matlab-program som föreslår och implementerar en sinusgenerator i hårdvaruspråket VHDL, avsedd för digital frekvenssyntes (DDFS). Ämnad hårdvara för implementeringen är en fältprogrammerbar grindmatris (FPGA).
Fokus i denna rapport ligger på hur en FPGA är uppbyggd, olika metoder för sinusgenerering och vilka kvaliteter på sinusvågen de ger och vilka resurser i hårdvaran de använder.
Jones, William John. "Direct frequency synthesis using combined digital and analogue techniques." Thesis, University of Bradford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336118.
Full textShen, Jennifer H. (Jennifer Hon-Chien). "Asynchronous direct digital synthesis modulator implemented on a FPGA." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43567.
Full textIncludes bibliographical references (leaves 51-52).
by Jennifer H. Shen.
M.Eng.
Owen, Jonathan, Brandon Ravenscroft, Kai Gustafson, and Amanda Hellberg. "Ultrasonic Transmitter Implemented on Arduino with Direct Digital Synthesis." International Foundation for Telemetering, 2015. http://hdl.handle.net/10150/596454.
Full textUltrasonic frequency signals can be employed in a manner similar to radio frequency signals for target detection and ranging by utilizing concepts from radar systems. This project uses components operating in the ultrasonic frequency spectrum to transmit and receive signals for detection and ranging. The project concept contains a single channel ultrasonic transmitter and a single channel ultrasonic receiver. An Arduino Due microcontroller is used to coordinate the radar system. The radar transmitter is continuously transmitting chirp waveforms in a frequency sweep pattern from 30 kHz to 50 kHz. Chirp echoes are received by the ultrasonic microphone. The echoes are mixed with the originally transmitted chirp, which creates a beat frequency response. The beat frequency is used to calculate the range of the target.
Bozic, Milos. "Suppression techniques of unwanted spurious frequency components in direct digital frequency synthesis." Thesis, University of Bradford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385596.
Full textBooks on the topic "Direct Digital Synthesis"
Ilk, H. G. High frequency direct digital synthesis wave formgeneration. Manchester: UMIST, 1994.
Find full textForte, Anton. Design, analysis and assessment of an HF direct digital synthesiser. [s.l: The Author], 1994.
Find full textJones, William John. Direct frequency synthesis using combined digital and analogue techniques: Application of combined digital and analogue techniques in the direct synthesis of frequency agile low-noise microwave signals for airborne radar and in generation of band-limited digital signals. Bradford, 1988.
Find full textSchousboe, Arne, Lasse K. Bak, Karsten K. Madsen, and Helle S. Waagepetersen. Amino Acid Neurotransmitter Synthesis and Removal. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199794591.003.0035.
Full textMcAlpine, Kenneth B. The ZX Spectrum. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190496098.003.0003.
Full textBook chapters on the topic "Direct Digital Synthesis"
Dickman, Arie. "Direct Digital Synthesis." In Verified Signal Processing Algorithms in Matlab and C, 107–17. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93363-0_8.
Full textCordesses, Lionel. "Direct Digital Synthesis: A Tool for Periodic Wave Generation." In Streamlining Digital Signal Processing, 337–51. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118316948.ch34.
Full textSaluvere, T., D. Kerek, and H. Tenhunen. "Direct sequence spread spectrum digital Radio DSP prototyping using xilinx FPGAs." In Field-Programmable Logic Architectures, Synthesis and Applications, 138–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/3-540-58419-6_83.
Full textMuanenda, Yonas, Stefano Faralli, Philippe Velha, Claudio Oton, and Fabrizio Di Pasquale. "A Novel Pulse Compression Scheme in Coherent OTDR Using Direct Digital Synthesis and Nonlinear Frequency Modulation." In Lecture Notes in Electrical Engineering, 173–81. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66729-0_20.
Full textHauptman, Katherine. "Curatorial Challenges: Discussion Forums and Fragmented Narratives." In Museum Digitisations and Emerging Curatorial Agencies Online, 15–37. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-80646-0_2.
Full textTraversa, Susanna, and Enrico Ivaldi. "The digitization of the private sector in the Italy. A non-aggregative method to monitor the NRRP agenda at macro-area level." In Proceedings e report, 209–14. Florence: Firenze University Press and Genova University Press, 2023. http://dx.doi.org/10.36253/979-12-215-0106-3.37.
Full textMba, Chikelu, and Hans Dreyer. "The conservation and sustainable use of plant genetic resources for food and agriculture and emerging biotechnologies." In Mutation breeding, genetic diversity and crop adaptation to climate change, 459–68. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0047.
Full textHickman, Ian. "Direct Digital Synthesis." In Analog Circuits Cookbook, 63–98. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-7506-2002-4.50006-5.
Full text"Direct Digital Synthesis." In Circuits and Systems Tutorials. IEEE, 2009. http://dx.doi.org/10.1109/9780470544235.ch30.
Full text"Synthesis Techniques." In Direct Digital Frequency Synthesizers. IEEE, 2010. http://dx.doi.org/10.1109/9780470544396.ch1.
Full textConference papers on the topic "Direct Digital Synthesis"
Tertychnyi, Kornei Sergeevich. "Direct digital synthesis generator." In International extramural online conference, chair Dmitry Aleksandrovich Stankevich. TSNS Interaktiv Plus, 2020. http://dx.doi.org/10.21661/r-112540.
Full textStork, Milan. "Direct Digital Synthesis with Fractional Tuning." In 2019 8th Mediterranean Conference on Embedded Computing (MECO). IEEE, 2019. http://dx.doi.org/10.1109/meco.2019.8760021.
Full textVezant, Benoit, Cedric Mansuy, Hung Tien Bui, and Francois-Raymond Boyer. "Direct digital synthesis-based all-digital phase-locked loop." In 2009 Joint IEEE North-East Workshop on Circuits and Systems and TAISA Conference (NEWCAS-TAISA). IEEE, 2009. http://dx.doi.org/10.1109/newcas.2009.5290469.
Full textMakarov, A. E., I. V. Ryabov, and E. S. Kljuzhev. "Direct digital synthesis of complex broadband signals." In 2021 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF). IEEE, 2021. http://dx.doi.org/10.1109/weconf51603.2021.9470521.
Full textMarinescu, Radu-Sebastian, and Corneliu Burileanu. "Function generator by direct-digital frequency synthesis." In 2008 International Semiconductor Conference. IEEE, 2008. http://dx.doi.org/10.1109/smicnd.2008.4703445.
Full textAdad, Walter F., and Ricardo J. Iuzzolino. "Arbitrary function generator using Direct Digital Synthesis." In 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012). IEEE, 2012. http://dx.doi.org/10.1109/cpem.2012.6251083.
Full textSong, Yuanyuan, and Bocheng Zhu. "Vector synthesis algorithm for spur reduction in direct digital synthesis." In 2012 11th International Conference on Signal Processing (ICSP 2012). IEEE, 2012. http://dx.doi.org/10.1109/icosp.2012.6491613.
Full textStrelnikov, I. V., I. V. Ryabov, and E. S. Klyuzhev. "Direct Digital Synthesizer of Phase-Manipulated Signals, Based on the Direct Digital Synthesis Method." In 2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO). IEEE, 2020. http://dx.doi.org/10.1109/synchroinfo49631.2020.9166040.
Full textLeene, Lieuwe B., and Timothy G. Constandinou. "Direct Digital Wavelet Synthesis for Embedded Biomedical Microsystems." In 2018 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2018. http://dx.doi.org/10.1109/biocas.2018.8584787.
Full textYang, Dayu, Weining Ni, Foster F. Dai, Yin Shi, and Richard C. Jaeger. "Delta-Sigma Modulation in Direct Digital Frequency Synthesis." In Proceedings of the IEEE 2006 Custom Integrated Circuits Conference. IEEE, 2006. http://dx.doi.org/10.1109/cicc.2006.320905.
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