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Relevant bibliographies by topics / Pulse chirp

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Academic literature on the topic 'Pulse chirp'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Pulse chirp"

1

Walker, Sean E., and William H. Cade. "The effects of temperature and age on calling song in a field cricket with a complex calling song, Teleogryllus oceanicus (Orthoptera: Gryllidae)." Canadian Journal of Zoology 81, no. 8 (2003): 1414–20. http://dx.doi.org/10.1139/z03-106.

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We examined the effects of temperature and age on calling song in the field cricket Teleogryllus oceanicus. Teleogryllus oceanicus has a complex calling song made up of two different kinds of chirp, long and short. The long chirp is made up of three to eight single pulses of sound and the short chirp consists of several paired pulses. The properties of T. oceanicus calling song did not vary with age, but almost every property of the song varied with temperature. Pulse duration, interpulse interval, and pulse rate in both the long and the short chirp varied with temperature. The number of pulse

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Jacob, Pedro F., and Berthold Hedwig. "Modular timer networks: abdominal interneurons controlling the chirp and pulse pattern in a cricket calling song." Journal of Comparative Physiology A 206, no. 6 (2020): 921–38. http://dx.doi.org/10.1007/s00359-020-01448-0.

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Abstract Chirping male crickets combine a 30 Hz pulse pattern with a 3 Hz chirp pattern to drive the rhythmic opening-closing movements of the front wings for sound production. Lesion experiments suggest two coupled modular timer-networks located along the chain of abdominal ganglia, a network in A3 and A4 generating the pulse pattern, and a network organized along with ganglia A4–A6 controlling the generation of the chirp rhythm. We analyzed neurons of the timer-networks and their synaptic connections by intracellular recordings and staining. We identified neurons spiking in phase with the ch

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Wang, Wen Bin, Dao Yuan Liu, and Yu Qin Yao. "Study of Transmission Characteristics of Optical Pulse in the Dispersive Fiber." Applied Mechanics and Materials 513-517 (February 2014): 2775–77. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2775.

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Chromatic dispersion and nonlinearity effect are the two important factors affecting the optical pulse which propagates in the optical fiber. The former makes the pulse broaden, the latter mainly broaden pulse spectrum. Therefore, the linear and nonlinear dispersive propagation and control of optical pulses in the fiber has always been an important research topic of concern. In this paper, Starting from the nonlinear Schrodinger equation of the optical pulse and neglecting the chromatic dispersion, under the situation of chirp and chirp-free Gaussian pulse, we analytical analyzed, calculated a

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Zhong, Zhicheng, Wenqi Gong, Hao Jiang, Honggang Gu, Xiuguo Chen, and Shiyuan Liu. "Investigation of Spatial Chirp Induced by Misalignments in a Parallel Grating Pair Pulse Stretcher." Applied Sciences 10, no. 5 (2020): 1584. http://dx.doi.org/10.3390/app10051584.

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Spatial chirp induced by the misaligned gratings and mirrors in a parallel grating pair pulse stretcher can significantly affect the performance of the output pulses. Firstly, a detailed analysis about the spatial chirp of the stretched pulses caused by the misalignments has been carried out using the ray tracing simulation method. According to the simulation results, an adjustment procedure has been summarized to accurately calibrate these misalignments. The proposed method has been successfully applied in a home-made chirped pulse stretcher. By measuring the output pulse with an imaging spec

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Liu, Hui, Hang Liu, and Liqiang Feng. "Isolated attosecond pulse generation from different frequency-chirping combined fields." International Journal of Modern Physics B 33, no. 21 (2019): 1950241. http://dx.doi.org/10.1142/s0217979219502412.

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Generation of high-order harmonic spectrum and isolated attosecond pulse (IAP) from frequency-chirping combined field has been investigated. It is found that by adding the middle-chirp form of the laser field, the extension of the harmonic cutoff comes from the middle region of the laser field. However, the intensity of the higher-order spectral continuum is very low. By adding the asymmetric negative chirp form of the laser field, the extension of the harmonic cutoff is attributed to the falling region of the laser field. Moreover, the intensity of the higher-order spectral continuum presents

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Nie, Yong Ming, Ya Kun Guo, Feng Lei TAN, and Fuan Sun. "Both Spatial and Temporal Distortions Caused by Spatial Chirp in Vortex Femtosecond Pulse Beams." Advanced Materials Research 986-987 (July 2014): 1763–66. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1763.

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Spatial chirp will cause temporal width broadening and wave front aberration with the femtosecond pulse beam. So effectively controlling and utilizing the spatial chirp has great significance. In this manuscript, the properties of the spatial chirp are theoretically investigated. An experimental setup which can easily control the spatial chirp of the femtosecond laser pulse beam and generate vortex femtosecond pulse beam with different spatial chirp parameters is proposed. The relationships between the spatial chirp and the temporal and spatial properties including the cross section intensity

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Hedwig, Berthold, and Edith Julieta Sarmiento-Ponce. "Song pattern recognition in crickets based on a delay-line and coincidence-detector mechanism." Proceedings of the Royal Society B: Biological Sciences 284, no. 1855 (2017): 20170745. http://dx.doi.org/10.1098/rspb.2017.0745.

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Acoustic communication requires filter mechanisms to process and recognize key features of the perceived signals. We analysed such a filter mechanism in field crickets ( Gryllus bimaculatus ), which communicate with species-specific repetitive patterns of sound pulses and chirps. A delay-line and coincidence-detection mechanism, in which each sound pulse has an impact on the processing of the following pulse, is implicated to underlie the recognition of the species-specific pulse pattern. Based on this concept, we hypothesized that altering the duration of a single pulse or inter-pulse interva

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Munaweera, P. C. T., and K. A. I. L. Wijewardena Gamalath. "Simulation of Pulse Propagation in Optical Fibers." International Letters of Chemistry, Physics and Astronomy 64 (February 2016): 159–70. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.64.159.

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A theoretical model was developed for light pulses propagating in optical fibers by considering the nonlinear effects, the self-phase modulation and group velocity dispersion effects. The split step Fourier method was used to generate soliton pulses in a fiber composed of a glass core surrounded by a cladding layer. Gaussian and hyperbolic secant input pulses were used for the simulation. By varying the initial chirp, input power and nonlinear coefficient for an input Gaussian pulse at wavelength of λ =1.55μm with initial pulse width 125ps for second order dispersion β2=−20 ps2km-1, nonlinear

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Köck, Matthias, Rainer Kerssebaum, and Wolfgang Bermel. "A broadband ADEQUATE pulse sequence using chirp pulses." Magnetic Resonance in Chemistry 41, no. 1 (2002): 65–69. http://dx.doi.org/10.1002/mrc.1097.

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Liu, Hang, Henry M. Schafer, R. L. Q. Feng, and A. Yuanzi Feng. "Generation of water window single attosecond pulse from multi-cycle mid-infrared laser field with chirp gating modulation." Modern Physics Letters B 33, no. 06 (2019): 1950064. http://dx.doi.org/10.1142/s0217984919500647.

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A potential scheme to produce the water window single attosecond pulses (SAPs) from the multi-cycle mid-infrared (MIR) laser field has been investigated with the help of the chirp gating modulation. It is found that with the introduction of the laser chirp (i.e. up-chirp or down-chirp modulation), the extension of the harmonic cutoff can be achieved and the single harmonic radiation peak (HRP) can be selected during the harmonic emission process. Moreover, the chirp gating modulation on the high-order harmonic generation (HHG) is sensitive to the few-cycle pulse duration, but it is not very se

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Dissertations / Theses on the topic "Pulse chirp"

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Collins, Timothy. "Active sonar pulse design." Thesis, University of Birmingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311535.

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Bernold, Dirk Matthew. "A comparison of Chirp Diversity and Pulse Doppler Radar." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/37723.

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Sun, Zuwen. "Effect of Photoacoustic Radar Chirp Parameters on Profilometric Information." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37116.

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Photoacoustic imaging for biomedical application has attracted much research in recent years. To date, most of the work has focused on pulsed photoacoustics. Recent developments have seen the implementation of a radar pulse compression methodology into continuous wave photoacoustic modality, however very little theory has been developed in support of this approach. In this thesis, the one-dimensional theory of radar photoacousticsfor pulse compressedlinear frequency modulated continuous sinusoidal laserphotoacoustics is developed.The effect of the chirp parameters on the corresponding photoac

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Benane, Mehdi Yanis. "Ultrafast, broadband and multi-pulse transmissions for ultrasonic imaging." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1268/document.

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L'échographie est un outil de diagnostic largement utilisé grâce à des vertus telles que l'acquisition / traitement de données en temps réel, la facilité d'utilisation et la sécurité pour le patient / praticien pendant l'examen. Cependant, comparée à d'autres méthodes d'imagerie telles que la tomographie à rayons X et l'imagerie par résonance magnétique, l'échographie présente l'inconvénient de fournir une qualité d'image relativement basse. Dans cette thèse, nous étudions une méthode capable d'augmenter la qualité d'image, permettant ainsi de meilleurs diagnostics échographiques. Afin d'augme

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Gu, Xun. "Measuring Ultracomplex Supercontinuum Pulses and Spatio-Temporal Distortions." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5082.

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This thesis contains two components of research: studies of supercontinuum pulses generated in the novel microstructure fiber, and research on spatio-temporal coupling in ultrafast laser beams. One of the most exciting developments in optics in recent years has been the invention of the microstructure optical fiber. By controlling the structural parameters of these novel fibers in design and manufacturing, their dispersion profile can be freely tailored, opening up a huge application base. One particularly interesting effect in the microstructure fiber is the generation of ultrabroadband sup

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McLenaghan, Joanna Siân. "Negative frequency waves in optics : control and investigation of their generation and evolution." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/6532.

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This thesis is concerned with various methods for the control and investigation of pulse dynamics in a Photonic Crystal Fibre (PCF) and of the radiation driven by a short pulse. In particular the focus is on pulses in the anomalous dispersion region which would form solitons in the absence of higher order effects. Several different types of radiation can be driven by such pulses if they are perturbed by higher order dispersive and non-linear effects - for example Resonant Radiation (RR) and Negative Resonant Radiation (NRR) two dispersive waves which gain energy at the expense of the pulse. Th

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Rudhall, Andrew Peter. "Ultrashort laser pulse shaping for novel light fields and experimental biophysics." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3682.

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Broadband spectral content is required to support ultrashort pulses. However this broadband content is subject to dispersion and hence the pulse duration of corresponding ultrashort pulses may be stretched accordingly. I used a commercially-available adaptive ultrashort pulse shaper featuring multiphoton intrapulse interference phase scan technology to characterise and compensate for the dispersion of the optical system in situ and conducted experimental and theoretical studies in various inter-linked topics relating to the light-matter interaction. Firstly, I examined the role of broadband ul

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Kadja, Tchamie. "Chip Scale Tunable Nanosecond Pulsed Electric Field Generator for Electroporation." University of Dayton / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1556028923379642.

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Hollis, Simon James. "Pulse-based, on-chip interconnect." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613319.

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Boijort, Daniel, and Oskar Svanell. "Pulse Width Modulation for On-chip Interconnects." Thesis, Linköping University, Department of Electrical Engineering, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6341.

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<p>With an increasing number of transistors integrated on a single die, the need for global on-chip interconnectivity is growing. Long interconnects, in turn, have very large capacitances which consume a large share of a chip’s total power budget.</p><p>Power consumption can be lowered in several ways, mainly by reduction of switching activity, reduction of total capacitance and by using low voltage swing. In this project, the issue is addressed by proposing a new encoding based on Pulse Width Modulation (PWM). The implementation of this encoding will both lower the switching activity and decr

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Books on the topic "Pulse chirp"

1

Bichan, Mike. Crosstalk-aware transmitter pulse-shaping for parallel chip-to-chip links. 2006.

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Bichan, Mike. Crosstalk-aware transmitter pulse-shaping for parallel chip-to-chip links. 2006.

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Book chapters on the topic "Pulse chirp"

1

Pollakowski, M., H. Ermert, and L. von Bernus. "Pulsecompression in Pulse-Echo-Mode with Splitted Chirp Signals." In Acoustical Imaging. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2958-3_30.

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Aggala, Nagajyothi, G. V. Sai Swetha, and Anjali Reddy Pulagam. "Range-Doppler ISAR Imaging Using SFCW and Chirp Pulse." In Advances in Intelligent Systems and Computing. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9516-5_17.

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Akturk, Selcuk, Xun Gu, Erik Zeek, and Rick Trebino. "Spatial chirp and pulse-front tilt in ultrashort laser pulses and their measurement." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27213-5_31.

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Kühlke, D., T. Bonkhofer, U. Herpers, and D. von der Linde. "Fluctuations and Chirp in Colliding-Pulse Mode-Locked Dye Lasers." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82918-5_6.

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Aktürk, Selçuk, Mark Kimmel, Patrick O’Shea, and Rick Trebino. "Measuring Spatial Chirp and Pulse-Front Tilt in Ultrashort Pulses Using Single-Shot FROG." In Springer Series in OPTICAL SCIENCES. Springer New York, 2004. http://dx.doi.org/10.1007/978-0-387-34756-1_15.

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Bing, Deng, Xiao Mei-ping, and Wang Hong-xing. "Compression Performance of Wide-Band Chirp Pulse in the Fractional Fourier Domain." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21747-0_41.

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Nam, Chang Hee, Kyung Taec Kim, and Dong Hyuk Ko. "Transform-Limited Attosecond Pulse Generation Through Atto-Chirp Compensation by Material Dispersion." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35052-8_5.

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Fujiwara, M., K. Okubo, and N. Tagawa. "High Resolution Pulse Compression Imaging Using Super Resolution FM-Chirp Correlation Method (SCM)." In Acoustical Imaging. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3255-3_41.

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Yamashita, M., S. Kaga, K. Torizuka, and T. Sato. "Chirp-Compensation Cavity-Mirrors of Small Third-Order Dispersion for a Femtosecond Pulse Laser." In Ultrafast Phenomena VI. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83644-2_11.

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Ooi, Takeshi, Yusuke Okabe, Masayuki Nakao, and Keisuke Iwata. "Laminated Electrodes Chip for Pulse-Immunoassay." In Micro Total Analysis Systems 2002. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0295-0_40.

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Conference papers on the topic "Pulse chirp"

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Sun, Zuwen, and Natalie Baddour. "The Effect of Pulse Compression Chirp Parameters on Profilometry Information and Resolution." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85613.

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Recent developments in imaging systems have seen the implementation of a radar matched-filtering approach. The goal of the imaging system is to obtain information about an unknown object embedded in the system, by controlling the parameters of the input and measuring the response to the known input. The main merit of using matched filtering in imaging systems is the improvement of Signal to Noise Ratio (SNR). However, the correlation process used in matched filtering may result in a loss of resolution. One way to compensate for lost resolution is via pulse compression. Linear frequency modulat

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Bender, Daniel A., Michael P. Hasselbeck, and Mansoor Sheik-Bahae. "Sensitive ultrashort pulse chirp measurement." In Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers, edited by Gregory J. Exarhos, Arthur H. Guenther, Keith L. Lewis, Detlev Ristau, M. J. Soileau, and Christopher J. Stolz. SPIE, 2005. http://dx.doi.org/10.1117/12.638797.

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Zhang, Aixu, Jinlong Yu, Hao Hu, et al. "Short pulse generation using chirp control." In Asia-Pacific Optical Communications, edited by Dominique Chiaroni, Wanyi Gu, Ken-ichi Kitayama, and Chang-Soo Park. SPIE, 2007. http://dx.doi.org/10.1117/12.745830.

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Travers, J. C. "Pulse Formation Dynamics in Giant Chirp Oscillators." In Nonlinear Photonics. OSA, 2010. http://dx.doi.org/10.1364/np.2010.ntua1.

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Wu, Yue, Caiyun Lou, and Yizhi Gao. "Effects of pulse chirp to supercontinuum producing." In Asia-Pacific Optical and Wireless Communications Conference and Exhibit, edited by Chongcheng Fan and Norman S. Kwong. SPIE, 2001. http://dx.doi.org/10.1117/12.445028.

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Winfield, R. J., J. M. Green, J. Fieret, et al. "Pulse Power For The Chirp XeCl Laser." In OE/LASE '89, edited by Tom R. Burkes and G. Glen McDuff. SPIE, 1989. http://dx.doi.org/10.1117/12.951341.

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Wang, Zun-zhi. "Simulation of optical pulse compression using parabolic pulse with linear chirp." In ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, edited by Keith E. Wilson, Jing Ma, Liren Liu, Huilin Jiang, and Xizheng Ke. SPIE, 2013. http://dx.doi.org/10.1117/12.2032806.

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Gu, Jinhong, Mingxi Wan, Supin Wang, and Yi Feng. "Chirp-excitation pulse-inversion imaging of deeper microvascular." In International Congress on Ultrasonics. Vienna University of Technology, 2007. http://dx.doi.org/10.3728/icultrasonics.2007.vienna.1635_gu.

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Jafari, Rana, and Rick Trebino. "Pulse-Chirp Instability and Issues for Its Measurement." In CLEO: Applications and Technology. OSA, 2018. http://dx.doi.org/10.1364/cleo_at.2018.jth2a.142.

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Renninger, W. H., A. Chong, and F. W. Wise. "Giant-chirp oscillators for short-pulse fiber amplifiers." In Conference on Lasers and Electro-Optics. OSA, 2009. http://dx.doi.org/10.1364/cleo.2009.cma6.

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Reports on the topic "Pulse chirp"

1

Lang, Wei, Jeffrey M. Warrender, and X. C. Zhang. Chirp-Pulse Terahertz Range Profiling. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada611255.

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Stupakov, G. Effect of Finite Pulse Length and Laser Frequency Chirp on HGHG and EEHG Seeding. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1029478.

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Shumarker, Justin. Interrupt Driven RS-232, Pulse Width Modulation, and Control Processing on a Single 8-bit PIC Chip. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada500061.

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