Academic literature on the topic 'Amplitude and frequency modulation'

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Journal articles on the topic "Amplitude and frequency modulation"

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Nagaraj, Naveen K. "Amplitude modulation detection with concurrent frequency modulation." Journal of the Acoustical Society of America 140, no. 3 (2016): EL251—EL255. http://dx.doi.org/10.1121/1.4962374.

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King, Andrew J., and Christian Lorenzi. "Amplitude modulation masking for frequency modulation detection." Journal of the Acoustical Society of America 140, no. 4 (2016): 3389. http://dx.doi.org/10.1121/1.4970847.

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Shantha Selva Kumari, R., and K. Seyatha. "Performance evaluation of hybrid modulation techniques for high speed radio over fiber communication system." International Journal of Modern Physics C 30, no. 09 (2019): 1950070. http://dx.doi.org/10.1142/s0129183119500700.

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In Radio over Fiber (RoF) technology, the optical network capacity is integrated with the wireless network. The main objective of this work is to enhance the performance behavior of optical fiber communication system in terms of BER, Received Power and Q-Factor. The proposed combined modulation technologies, such as Pulse Amplitude Frequency Modulation (PAFM), Differential Phase Shift Keying Amplitude Modulation (DPSKA), Offset Quadrature Phase Shift Keying Amplitude Modulation (OQPSKA), Quadrature Amplitude Frequency Modulation (QAFM), Frequency Phase Modulation (FPM) and Pulse Amplitude Phas
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Marsh, Donald J., Olga V. Sosnovtseva, Alexey N. Pavlov, Kay-Pong Yip, and Niels-Henrik Holstein-Rathlou. "Frequency encoding in renal blood flow regulation." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 288, no. 5 (2005): R1160—R1167. http://dx.doi.org/10.1152/ajpregu.00540.2004.

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With a model of renal blood flow regulation, we examined consequences of tubuloglomerular feedback (TGF) coupling to the myogenic mechanism via voltage-gated Ca channels. The model reproduces the characteristic oscillations of the two mechanisms and predicts frequency and amplitude modulation of the myogenic oscillation by TGF. Analysis by wavelet transforms of single-nephron blood flow confirms that both amplitude and frequency of the myogenic oscillation are modulated by TGF. We developed a double-wavelet transform technique to estimate modulation frequency. Median value of the ratio of modu
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Krebs, Bjarne, Nicholas A. Lesica, and Benedikt Grothe. "The Representation of Amplitude Modulations in the Mammalian Auditory Midbrain." Journal of Neurophysiology 100, no. 3 (2008): 1602–9. http://dx.doi.org/10.1152/jn.90374.2008.

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Temporal modulations in stimulus amplitude are essential for recognizing and categorizing behaviorally relevant acoustic signals such as speech. Despite this behavioral importance, it remains unclear how amplitude modulations (AMs) are represented in the responses of neurons at higher levels of the auditory system. Studies using stimuli with sinusoidal amplitude modulations (SAMs) have shown that the responses of many neurons are strongly tuned to modulation frequency, leading to the hypothesis that AMs are represented by their periodicity in the auditory midbrain. However, AMs in general are
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Sakamoto, Hirokazu, Takeji Takui, and Koichi Itoh. "General description of multiple-modulation effects and sideband production in magnetic resonance." Canadian Journal of Chemistry 66, no. 12 (1988): 3077–82. http://dx.doi.org/10.1139/v88-476.

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A theory is presented for the sideband structure produced by a general multiple-modulation scheme with arbitrary combination of p-tuple field modulation, q-tuple frequency modulation, and r-tuple amplitude modulation for integral p, q, and r. A general formula describing the multiple-modulation effects is analytically derived using a density matrix formalism under the assumption of negligible saturation; an equivalent result is obtained from the phenomenological Bloch equation. The general formula reveals that field and frequency modulations are equivalent for the sideband production, even in
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Kotenko, V., V. Dzyubenko, Yu Kudriashov, O. Samoniuk, and V. Prokopovych. "ANALYSIS OF SPECTRA OF MULTI-FREQUENCY AMPLITUDE MODULATED RADIO SIGNALS." Проблеми створення, випробування, застосування та експлуатації складних інформаційних систем, no. 26 (I) (August 8, 2024): 30–39. http://dx.doi.org/10.46972/2076-1546.2024.26.03.

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The article presents the results of modeling the spectra of multi-frequency radio signals formed by phase modulation of a high-frequency pulsed amplitude-modulated radio signal by harmonic oscillation of an intermediate frequency in a phase modulator. Based on the obtained expression for the spectrum of the complex contour of the multi-frequency amplitude-modulated signal at the output of the phase modulator, the components of its spectrum were analyzed depending on the modulation parameters. It was established that the amplitude of these components of the spectrum and their number in the spec
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Hörpel, Stephen Gareth, and Uwe Firzlaff. "Processing of fast amplitude modulations in bat auditory cortex matches communication call-specific sound features." Journal of Neurophysiology 121, no. 4 (2019): 1501–12. http://dx.doi.org/10.1152/jn.00748.2018.

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Bats use a large repertoire of calls for social communication. In the bat Phyllostomus discolor, social communication calls are often characterized by sinusoidal amplitude and frequency modulations with modulation frequencies in the range of 100–130 Hz. However, peaks in mammalian auditory cortical modulation transfer functions are typically limited to modulation frequencies below 100 Hz. We investigated the coding of sinusoidally amplitude modulated sounds in auditory cortical neurons in P. discolor by constructing rate and temporal modulation transfer functions. Neuronal responses to playbac
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Nakano, M., and D. Rockwell. "The wake from a cylinder subjected to amplitude-modulated excitation." Journal of Fluid Mechanics 247 (February 1993): 79–110. http://dx.doi.org/10.1017/s0022112093000394.

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Controlled, amplitude-modulated excitation of a cylinder at low Reynolds number (Re equals; 136) in the cross-stream direction generates several states of response of the near wake including: a locked-in wake structure, which is periodic at the modulation frequency; a period-doubled wake structure, which is periodic at a frequency half the modulation frequency; and a destabilized structure of the wake, which is periodic at the modulation frequency, but involves substantial phase modulations of the vortex formation relative to the cylinder displacement. The occurrence of each of these states de
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Proshchenok, E. V., and A. Yu Rodionov. "Modern types of signal manipulation analysis of wireless communication systems." Herald of the Siberian State University of Telecommunications and Informatics 16, no. 4 (2023): 43–58. http://dx.doi.org/10.55648/1998-6920-2022-16-4-43-58.

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This paper presents an overview of modern types of signal manipulation such as hierarchical quadrature amplitude modulation (HQAM), circular quadrature amplitude modulation (CQAM) and parametric quadrature amplitude modulation (θ-QAM). Then follows the modeling of the above-mentioned types of modulations and quadrature amplitude modulation (QAM) using the MATLAB programming language. To compare the four selected types of modulation two types of modulation order are used: 16 and 64. To evaluate the effectiveness of using one or another type of modulation a communication channel was modeled to w
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Dissertations / Theses on the topic "Amplitude and frequency modulation"

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Secan, Stephen R. "Amplitude and frequency modulation in Oboe Vibrato." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1407510603.

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Bracht, Roger. "RADIO FREQUENCY PATH CHARACTERIZATION FOR WIDE BAND QUADRATURE AMPLITUDE MODULATION." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607351.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California<br>Remote, high speed, high explosive wave front monitoring requires very high bandwidth telemetry to allow transmission of diagnostic data before the explosion destroys the sensor system itself. The main motivation for this study is that no known existing implementation of this sort has been applied to realistic weapons environments. These facts have prompted the research and gathering of data that can be used to extrapolate towards finding th
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Bracht, Roger, Jeff Dimsdle, Dave Rich, and Frank Smith. "RADIO FREQUENCY OVERVIEW OF THE HIGH EXPLOSIVE RADIO TELEMETRY PROJECT." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607352.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California<br>High explosive radio telemetry (HERT) is a project that is being developed jointly by Los Alamos National Laboratory and AlliedSignal FM&T. The ultimate goal is to develop a small, modular telemetry system capable of high-speed detection of explosive events, with an accuracy on the order of 10 nanoseconds. The reliable telemetry of this data, from a high-speed missile trajectory, is a very challenging opportunity. All captured data must be t
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Simms, Dennis, and Kurt Kosbar. "IMPROVEMENTS IN AUTOMATIC MODULATION RECOGNITION OF ASK AND FSK SIGNALS." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/608248.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>An algorithm for automatic modulation recognition of ASK, PSK and FSK was developed by Azzouz and Nandi. The algorithm has some serious problems at SNR of 10 dB and below. This paper describes a modification to the algorithm that significantly improves the performance for detection of ASK and FSK at moderate and low SNR.
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Brennan, Siobhán Katharine. "Effect of varying the amplitude and frequency modulation phase relationship on steady state evoked potentials." Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398681.

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Paraouty, Nihaad. "Frequency modulation coding in the auditory system." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEE078.

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Cette recherche visait à clarifier les mécanismes de bas niveau impliqués dans la détection de la modulation de fréquence (FM). Les sons naturels véhiculent des modulations d’amplitude et de fréquence saillantes essentielles à la communication. L’analyse des réponses de neurones auditifs du noyau cochléaire montre que les propriétés spectro-temporelles des stimuli de FM de basse cadence sont représentées par deux mécanismes distincts basés sur le verrouillage en phase à l’enveloppe temporelle (ENV) et à la structure temporelle fine (TFS). La contribution relative de chaque mécanisme s’avère tr
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Hopper, David J. "Investigation of laser frequency stabilisation using modulation transfer spectroscopy." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/16667/1/David_John_Hopper_Thesis.pdf.

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Optical frequency standards are necessary tools for accurate measurement of time and length. In practice these standards are stabilised laser systems locked to a known frequency reference. These references are typically the resonant frequencies of the atoms of an absorption medium that have been theoretically calculated to a high degree of accuracy. This thesis describes a combination of experimental and theoretical research performed on modulation transfer spectroscopy (MTS)--a technique used to frequency stabilise a laser in order to produce an accurate frequency reference--with emphasis pla
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Hopper, David J. "Investigation of laser frequency stabilisation using modulation transfer spectroscopy." Queensland University of Technology, 2008. http://eprints.qut.edu.au/16667/.

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Optical frequency standards are necessary tools for accurate measurement of time and length. In practice these standards are stabilised laser systems locked to a known frequency reference. These references are typically the resonant frequencies of the atoms of an absorption medium that have been theoretically calculated to a high degree of accuracy. This thesis describes a combination of experimental and theoretical research performed on modulation transfer spectroscopy (MTS)--a technique used to frequency stabilise a laser in order to produce an accurate frequency reference--with emphasis pla
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Zong, Weikai. "Amplitude and frequency modulations of oscillation modes in hot B subdwarf and white dwarf stars from Kepler photometry." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30306/document.

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Les interactions non linéaires entre modes de pulsation, induisant des modulations d'amplitude et de fréquence, sont difficiles à mettre en évidence avec les télescopes au sol en raison des temps caractéristiques en jeu, de l'ordre de la semaine, du mois, ou même de l'année. L'avènement des télescopes spatiaux comme KEPLER (opéré par la NASA) a considérablement changé la donne en apportant de nouvelles données pour ce domaine de recherche. Dans cette thèse, nous analysons les données photométriques obtenues avec KEPLER pour 24 étoiles compactes pulsantes, incluant 18 étoiles sous-naines de typ
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Abu-alhiga, Rami. "Novel feedback and signalling mechanisms for interference management and efficient modulation." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4632.

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In order to meet the ever-growing demand for mobile data, a number of different technologies have been adopted by the fourth generation standardization bodies. These include multiple access schemes such as spatial division multiple access (SDMA), and efficient modulation techniques such as orthogonal frequency division multiplexing (OFDM)-based modulation. The specific objectives of this theses are to develop an effective feedback method for interference management in smart antenna SDMA systems and to design an efficient OFDM-based modulation technique, where an additional dimension is added t
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Books on the topic "Amplitude and frequency modulation"

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National Institute of Justice (U.S.). Amplitude companded sideband transceivers. U.S. Dept. of Justice, National Institute of Justice, 1989.

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Kissick, W. A. The intelligibility of amplitude companded sideband modulation compared to conventional frequency modulation. U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 1989.

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Kissick, W. A. The intelligibility of amplitude companded sideband modulation compared to conventional frequency modulation. U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 1989.

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Kissick, William L. The performance of amplitude companded sideband: A review and measurement plan. The Laboratory, 1986.

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García, Ricardo. Amplitude Modulation Atomic Force Microscopy. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527632183.

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García, Ricardo Castro. Amplitude modulation atomic force microscopy. Wiley-VCH, 2010.

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Panter, Susan M. Data transmission using quadrature amplitude modulation. UMIST, 1996.

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Bedrosian, Edward. A comparison of single-sideband, suppressed-carrier and double-sideband, full-carrier amplitude modulation. Rand, 1986.

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Bedrosian, Edward. A comparison of single-sideband, suppressed-carrier and double-sideband, full-carrier amplitude modulation. Rand, 1986.

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Bedrosian, Edward. Amplitude and phase demodulation of filtered AM/PM signals. Rand, 1986.

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Book chapters on the topic "Amplitude and frequency modulation"

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Erbe, Christine, Alec Duncan, Lauren Hawkins, John M. Terhune, and Jeanette A. Thomas. "Introduction to Acoustic Terminology and Signal Processing." In Exploring Animal Behavior Through Sound: Volume 1. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_4.

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AbstractThis chapter presents an introduction to acoustics and explains the basic quantities and concepts relevant to terrestrial and aquatic animal bioacoustics. Specific terminology that is introduced includes sound pressure, sound exposure, particle velocity, sound speed, longitudinal and transverse waves, frequency-modulation, amplitude-modulation, decibel, source level, near-field, far-field, frequency weighting, power spectral density, and one-third octave band level, amongst others. The chapter then introduces basic signal sampling and processing concepts such as sampling frequency, Nyquist frequency, aliasing, windowing, and Fourier transform. The chapter concludes with an introductory treatise of sound localization and tracking, including time difference of arrival and beamforming.
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Gurbatov, Sergey N., and Oleg V. Rudenko. "Statistical Phenomena." In Nonlinear Acoustics. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58963-8_13.

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AbstractStatistical analysis is applied to phenomena associated with propagation of random nonlinear acoustic waveforms in homogeneous media. Following presentation of the nonlinear evolution equation and relevant statistical functions, basic phenomena in nonlinear noise fields are described for an initially quasi-harmonic signal with random amplitude and phase modulation. An expression is presented for the intensity of the harmonics generated by a source radiating narrowband noise. Examples are provided illustrating the widening of the frequency spectrum associated with propagation of broadband noise of finite amplitude, and with interaction of a finite-amplitude tone with a band of low-amplitude noise.
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Zwicker, Eberhard. "Spontaneous Oto-Acoustic Emissions, Threshold in Quiet, and Just Noticeable Amplitude Modulation at Low Levels." In Auditory Frequency Selectivity. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2247-4_6.

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Geitz, Kurt A. E., and Allan Gottschalk. "The Role of Feedback in Respiratory Amplitude and Frequency Modulation." In The Neurobiology of Computation. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2235-5_34.

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Zeng, Fan-Gang, Kaibao Nie, Ginger Stickney, and Ying-Yee Kong. "Auditory perception with slowly-varying amplitude and frequency modulations." In Auditory Signal Processing. Springer New York, 2005. http://dx.doi.org/10.1007/0-387-27045-0_35.

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Nishimura, Akira. "Detection of Frequency-Scale Modification Using Robust Audio Watermarking Based on Amplitude Modulation." In Digital-Forensics and Watermarking. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31960-5_25.

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Bhatt, Shibani, Abhishek Gupta, Harish Choudhary, et al. "Reynolds Number Similarity of Amplitude and Frequency Modulation in Plane Turbulent Wall Jets." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-6776-2_56.

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Waheed, Khurram, and Robert Bogdan Staszewski. "Precise Delay Alignment Between Amplitude and Phase/Frequency Modulation Paths in a Digital Polar Transmitter." In Multi-Mode/Multi-Band RF Transceivers for Wireless Communications. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470634455.ch4.

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Hesch, R. D., G. Brabant, E. F. Rittinghaus, M. J. Atkinson, and H. Harms. "Pulse Amplitude and Frequency Modulation of PTH and its Modulation of PTH Receptors — Osteoporosis as an Example of a Dynamic Disease." In New Actions of Parathyroid Hormone. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0567-5_6.

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Renuka, N., and M. Satya Sairam. "Peak-to-Average Power Ratio Performance of Transform Precoding-Based Orthogonal Frequency Division Multiplexing Offset Quadrature Amplitude Modulation." In Smart Intelligent Computing and Applications. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1927-3_25.

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Conference papers on the topic "Amplitude and frequency modulation"

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Lisson, Thomas, Mariam Fouad, Jasmin Baier, Anne Rix, Fabian Kiessling, and Georg Schmitz. "A Comparative Study of Contrast Enhanced Ultrasound Imaging Using Deep Learning vs. Amplitude Modulation: An in-Vivo Investigation." In 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium (UFFC-JS). IEEE, 2024. https://doi.org/10.1109/uffc-js60046.2024.10793461.

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Zhou, Yuliang, Sui Zhan, Yuanchao Geng, Lanqin Liu, Lixin Xu, and Hai Ming. "Research of frequency modulation to amplitude modulation with multi-frequency modulation." In International Conference on Optical Instruments and Technology (OIT2013), edited by Yongtian Wang, Xiaocong Yuan, Yunlong Sheng, and Kimio Tatsuno. SPIE, 2013. http://dx.doi.org/10.1117/12.2036156.

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Zhaoyang Tai, Lulu Yan, Yanyan Zhang, Long Zhang, Haifeng Jiang, and Shougang Zhang. "An electro-optic modulator with ultra-low residual amplitude modulation." In 2016 European Frequency and Time Forum (EFTF). IEEE, 2016. http://dx.doi.org/10.1109/eftf.2016.7477791.

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Nelson, Craig. "Phase and amplitude modulation noise metrology." In 2009 Joint Meeting of the European Frequency and Time Forum (EFTF) and the IEEE International Frequency Control Symposium (FCS). IEEE, 2009. http://dx.doi.org/10.1109/freq.2009.5168115.

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Benea-Chelmus, Ileana-Cristina, Markus Rosch, Giacomo Scalari, Mattias Beck, and Jerome Faist. "Amplitude modulation in terahertz frequency combs." In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2017. http://dx.doi.org/10.1109/irmmw-thz.2017.8067121.

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Tai, Zhaoyang, Lulu Yan, Yanyan Zhang, Xiaofei Zhang, Haifeng Jiang, and Shougang Zhang. "A Brewster's angle designed electro-optic modulator to reduce residual amplitude modulation." In 2016 IEEE International Frequency Control Symposium (IFCS). IEEE, 2016. http://dx.doi.org/10.1109/fcs.2016.7546768.

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Lee, Chang-Eun, Hyung-Woo Lee, Ki-Man Kim, Woo-Sik Kim, Seung-Yong Chun, and Sang-Kook Lee. "Underwater communication with amplitude-hyperbolic frequency modulation." In 2014 Sixth International Conference on Ubiquitous and Future Networks (ICUFN). IEEE, 2014. http://dx.doi.org/10.1109/icufn.2014.6876857.

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Murray, Victor, Alvaro Dasso, Juan Llanos, Paul Rodriguez, and Marios S. Pattichis. "A 2D amplitude-modulation frequency-modulation representation for motion estimation." In 2016 IEEE ANDESCON. IEEE, 2016. http://dx.doi.org/10.1109/andescon.2016.7836204.

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Murray, Victor, Paul Rodriguez, Maria Noriega, Alvaro Dasso, and Marios S. Pattichis. "2D amplitude-modulation frequency-modulation - based method for motion estimation." In 2015 IEEE 6th Latin American Symposium on Circuits & Systems (LASCAS 2015). IEEE, 2015. http://dx.doi.org/10.1109/lascas.2015.7250484.

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guo, xinqian, Linbo Zhang, jun liu, long chen, le fan, and tao liu. "Residual amplitude modulation suppression to 6x10-7 in frequency modulation." In Twelfth International Conference on Information Optics and Photonics, edited by Yue Yang. SPIE, 2021. http://dx.doi.org/10.1117/12.2603786.

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Reports on the topic "Amplitude and frequency modulation"

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Hayes, Robert R. High Linearity Wideband Coherent Amplitude Modulation (AM) Radio Frequency (RF)-Photonic Links. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada440576.

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Macdonald. L51750 New Technique to Assess Level of Cathodic Protection in Underground Pipe Systems (Phases I and II). Pipeline Research Council International, Inc. (PRCI), 1996. http://dx.doi.org/10.55274/r0010611.

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This report introduces the Variable Frequency Impedance Tomography (VFIT) method for assessing the effectiveness of non-interruptible power supplies (sacrificial anodes) for protecting coated buried pipe. This method imposes a low-amplitude alternating voltage between the pipe and a reference electrode placed on the surface. A potentiostat/galvanostat controls the electric potential by modulating the current between the pipe and a surface counter electrode. The principle interpretive tool used in this study was an Artificial Neural Network (ANN) that had been \trained\" on simulated pipe with
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Redman, brian C., and Barry L. Stann. Photon Counting Chirped Amplitude Modulation Ladar. Defense Technical Information Center, 2008. http://dx.doi.org/10.21236/ada478362.

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Cooke, William E. Amplitude Modulation of Atomic Wavefunctions - Final Technical Report. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/794140.

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Pasquinelli, Ralph J., and /Fermilab. ARF1 Frequency and Amplitude Curve Calibration. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/984575.

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Cutsogeorge, G. Amplitude and phase detector for radio frequency measurements. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/7029262.

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Sheen, David M. Frequency Modulation Spectroscopy Modeling for Remote Chemical Detection. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/1023146.

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Bruno Zotter. Damping of coupled bunch instabilities by rf frequency modulation. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/804351.

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DEFENSE SCIENCE BOARD WASHINGTON DC. Wideband Radio Frequency Modulation: Dynamic Access to Mobile Information Networks. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada417214.

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Cazzanti, Luca, and Arindam Das. Differential Frequency Hopping (DFH) Modulation For Mobile Underwater Sensor Networks. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada553500.

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