Academic literature on the topic 'Pulling power'

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Journal articles on the topic "Pulling power"

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Jebb, Paul, Chris Barber, Chris Mayer, and Frances White. "Pulling power." Nursing Standard 17, no. 26 (March 12, 2003): 20–21. http://dx.doi.org/10.7748/ns.17.26.20.s34.

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Halper, Mark. "Pulling power." Renewable Energy Focus 12, no. 1 (January 2011): 16–17. http://dx.doi.org/10.1016/s1755-0084(11)70013-8.

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Hardy, Joanne. "Pulling power." Nursing Standard 21, no. 7 (October 25, 2006): 77. http://dx.doi.org/10.7748/ns.21.7.77.s53.

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Carroll, Sean. "Pulling power." Nature 451, no. 7175 (January 2008): 130. http://dx.doi.org/10.1038/451130a.

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Cripps, Steve. "Pulling Power [Microwave Bytes." IEEE Microwave Magazine 11, no. 4 (June 2010): 26–150. http://dx.doi.org/10.1109/mmm.2010.936486.

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Wiedemann, Claudia. "Pulling power of CAMK2α." Nature Reviews Neuroscience 11, no. 4 (April 2010): 223. http://dx.doi.org/10.1038/nrn2829.

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Thornton, Jack. "Pulling Power from the Road." Mechanical Engineering 136, no. 04 (April 1, 2014): 44–49. http://dx.doi.org/10.1115/1.2014-apr-3.

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This article presents an overview of charging technology called Shaped Magnetic Field in Resonance (SMFIR). It has been developed by a team of engineers and technologists at the Korea Advanced Institute for Science and Technology. An all-electric bus developed in Korea recharges its battery when it travels over electric coils buried at intervals along its route. The concept is called on-line electric vehicles, and the heart of OLEV technology is the transfer of enough electricity across gaps of up to 10 inches to power a fully loaded bus. Specifically, underground cables transfer power from the electrical grid to drive motors and on-board batteries via pickups beneath the OLEV bus bodies. The OLEV system wirelessly charges a bus, stopped or in motion, for continuous operation. SMFIR transfers rely on electromagnetic field resonance rather than inductive coupling. In SMFIR technology, the sending unit and the vehicle receiver resonate at 20,000 hertz.
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Osborne, I. S. "The Pulling Power of Pairs." Science 333, no. 6039 (July 7, 2011): 138. http://dx.doi.org/10.1126/science.333.6039.138-c.

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Chaudhry, Samena. "Contact lenses increase pulling power." BMJ 325, Suppl S5 (November 1, 2002): 0211403a. http://dx.doi.org/10.1136/sbmj.0211403a.

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Hedley, Allison. "Pulling power ON THE NET." Early Years Educator 4, no. 11 (March 2003): 33–34. http://dx.doi.org/10.12968/eyed.2003.4.11.14671.

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Dissertations / Theses on the topic "Pulling power"

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Kopečný, Aleš. "Vliv pneumatik na výstupní parametry traktorů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231708.

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The thesis summarizes the results of the measurement of the output parameters of the tractor, on which were mounted three different types of tires. The measured parameters are the maximum pulling power, slippage, specific effective fuel consumption at the maximum pulling performance. The final measured and calculated results are presented in tables and graphs. The results of the measurements were processed by the use of regressive analysis.
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I-Hua, Ling, and 凌依華. "THE STUDY OF DIFFERENT PULLING POSITION PULLING POWER SPECIFIC STRENGTH AND HEART VARIABLES." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/91854542835488341527.

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碩士
國立臺灣體育運動大學
體育研究所
99
The purpose of this study was to explore the relationship between tug of war athletics’ muscle strength, exercise relate fitness, heart rate variety and pull power. Method: 21 tug of war athletics(12 males, 16.91±0.66 years old; 9 females, 17.00±0.50 years old ) take exercise relate fitness test (1600 meters running test, 60minutes sit up test, 60 meters sprint speed test, 20 seconds side step test and standing triple jumps), muscle strength test(Squatting, bench press, narrow deadlift, seated over rows maximal strength test), different position pull power and heart rate test. Using SPSS 12.0 One-way ANOVA to compare the pull power between different positions. Pearson correlation coefficient to find the relation between physical fitness and pull power, All test significant different level was p<.05. Result: There were significant different in pull power between different position. In post hoc test shows that low position pull power were significant bigger then middle and high position pull power(F = 352.32, p < .05). In correlation between different pull position and muscle power test, it shows there were significant correlation at male high pull power and squatting, narrow deadlift; middle position and narrow deadlift(p < .05). In female high pull power and narrow deadlift have significant correlation(p <.05). Conclusion: there were significant different between three pulling position in poll power. Low pull position will be high pull power and it also more hart rate in the same times. There were significant correlation between muscle strength, exercise relate fitness and pull power.
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Hsiao, Chieh-hsun, and 蕭介勛. "Direct Conversion Transmitter with Resistance to the Combined Effects of Power Amplifier Distortion and Local Oscillator Pulling." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/84598543272321840733.

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博士
國立中山大學
電機工程學系研究所
103
In the wireless communication system, owing to the increasing demands for high data rates and high energy efficiency, several practical implementation-related challenges arise in the design of conventional direct-conversion transmitter (DCT). According to the existing literatures, power amplifier (PA) nonlinear distortions and local oscillator (LO) pulling effects are the most critical factors to deteriorate the RF signal integrity. In this doctoral research, the above two issues have been rigorously investigated, and hence improved, the resultant degradation of DCT output signal quality. Based on the above thought, this dissertation includes two topics. The first topic begins with a theoretical analysis of a LO under directly modulated self-injection, which accounts for the transmitted signal quality deterioration due to pulling effects. Based on the presented theoretical deduction, an integrated approach by incorporating PLL parameters optimization and inner self-injection loop is proposed to mitigate the pulling effect. Furthermore, the next topic of this dissertation is dedicated to elucidate how the combined effects of PA distortion and LO pulling adversely impact a DCT in time-varying envelope modulation systems. To comprehensively enhance the transmitter linearity, an improvement approach for PA linearization and anti-LO pulling is developed by combining an open-loop digital predistortion (DPD) method and the proposed analog feedback compensation mechanism. Experiments are conducted to verify the feasibility of the proposed improvement approaches by implementing a prototype transmitter delivering the cdma2000 1x and WCDMA QPSK-modulated signals. Rigorous theoretical analysis and experimental verification prove that the proposed approaches to improving the DCT signal quality has great potential for application in the future complex modulation and wide bandwidth wireless communication systems.
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Pandey, Jagadish Narayan. "Low Power LO Generation Based On Frequency Multiplication Technique." Thesis, 2007. http://hdl.handle.net/2005/356.

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TO achieve high level of integration in order to reduce cost, heterodyne architecture has made way for low-IF and zero-IF (direct conversion) receiver architectures. However, a very serious issue in implementing both zero and low-IF receiver is of local oscillator (LO) pulling. Another challenge is on-chip generation of high-precision quadrature LO signals for image-rejection. We have addressed both these issues in this thesis. Regarding the first problem, we have developed a lowpower frequency multiplication technique which uses a low frequency ring oscillator and multiplies its frequency in power e cient way to generate the desired frequency. We then use this differential LO signal to generate high-precision quadrature phases by using polyphase filter and an injection-locked quadrature oscillator. Design examples are presented for 2.4 GHz band of IEEE 802.15.4 standard which is a low-data rate WPAN standard. The standard o ers relaxed performance specifications in order to help achieve low power of operation. Contributions in the thesis • The problem of local oscillator (LO) pulling can be addressed by running LO at a much reduced frequency and use a frequency multiplier (FM) to generate the desired frequency. Also, use of low-frequency LO saves power in VCO and helps eliminate first few dividers leading to significant power savings. In addition, the entire frequency synthesizer can be run at a lower supply voltage saving additional power. The frequency multiplier involves combining edges from the lower frequency ring oscillator. It improves upon the prior work by proposing a new lower-power edge-combiner. The overall power is reduced by exploiting the relaxed phase noise specification of IEEE 802.15.4 standard. Simulations using SpectreRF show that the circuit consumes only 550 オW of power in 0.13 オm RF-CMOS technology with 1.2 V supply voltage, and provides 950 VP-P sinusoidal output with phase noise of -85.5 dBc/Hz at 1 MHz offset. • An injection-locking based quadrature desensitization circuit is designed for precision quadrature generation. The differential (two phase) output of the frequency multiplier is fed to a polyphase filter to generate nearly quadrature signals. Output of polyphase filter is in turn fed to the desensitizer circuit to obtain high-precision quadrature signals. Designed for 2.4 GHz band in 0.13 µm RF-CMOS technology, it achieves a phase error of 0.5 for 1% mismatch in LC tanks. It achieves a phase noise of -84.3 dBc/Hz at 1 MHz o set and provides quadrature sinusoids of 475 mV amplitude while consuming 1.56 mW of power. • We have analyzed the popular cross-coupled LC-VCOs to generate quadrature sinusoids. In practical LC-oscillators built using low/moderate quality factor on-chip inductors, the actual frequency of oscillation is a little less than 1/2pvLC . This is known as Groszkowski effect. On the other hand, in quadrature oscillator topologies, consisting of two, cross-coupled, negative resistance LC-VCOs using parallel coupling transistors, an upward shift in frequency of oscillation from the free-running frequency of each LC-VCO is observed. This is because in order to satisfy the Barkhausen’s criteria, the LC-tanks have to operate at a frequency away from the frequency of resonance. This e ect called as quadrature detuning effect results in higher phase noise and reduced amplitude. We have shown that the old treatment given in literature is quite inaccurate for practical LC oscillators that are built using low/mo derate Q on-chip inductors. Also the prior work ignores Groszkowski effect which could be significant for low Q LC tanks. We have provided simple, accurate and closed-form expressions of associated frequency-shifts and amplitude of oscillation including both the effects. Our results show excellent match with results obtained from SpectreRF and Matlab simulations.
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Jay, Disberger. "Mechanical Reduction of Frictional Resistance of Ninety-Degree PVC Conduit Elbows for Installation of Large Conductors." Thesis, 2018. http://hdl.handle.net/2097/38844.

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Master of Science
Department of Architectural Engineering and Construction Science
Fred L. Hasler
This paper presents the results of an experiment that was purposed with introducing the physical feasibility of a conceptual product that would mechanically reduce frictional resistance of schedule 40 PVC conduit elbows during the installation of large conductors. In the current construction industry, there is a well established and code driven convention for the construction of PVC conduit. For the installation of building service conductors, significant energy is required to pull conductors through the conduit. The service feed is the most expensive and restrictive pull on most projects strictly due the weight of the large conductors which are heavily resistant to deformation. The forces involved necessitate stringent requirements on maximum pull lengths and maximum degrees bent between pull boxes. Cost and risk of costly installation damage are also major characteristics of service feed pulls. The resistance to pulling and highest concentrations of internal forces throughout any conductor pull is located at the elbows or bends. This study is a scaled experimental-based initial establishment of expected evidence to support the feasibility of a product that would essentially reduce the required force to pull large conductors. This product is idealized as a factory PVC elbow that contains mechanical rollers along the inside face of the elbow where the conductors theoretically make the most contact during pulling. This product will ultimately be more expensive, but would be expected to benefit the project by reducing installation time, possibly reduce the number of pull boxes required, and reduce the risk of damaging conductors or conduits. The experiments described in this paper reflect a small-scale set that establishes trends of varying any one significant parameter for single conductor pulls through a single ninety-degree factory PVC elbow. While further research into multi-conductor feeders must be conducted in order to establish full justification for the product development was expected at the onset, the results of this study show that even further additional research must be conducted to resolve an ambiguity on which a definitive conclusion depends. Due to unforeseen or predicted parameters impacting the reduction of frictional resistance throughout the experimentation, the results both support and counter any benefit of applying mechanical means to reduce frictional resistance. The percentages of reduction range from -37% to +24% across the study’s results. The hypothesized sources of the ambiguity that counter expectations can only be verified by future studies. However, the evidence from this study can become definitively directional for the pursuit or lack there of for further investigating the benefits of the idealized product.
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Books on the topic "Pulling power"

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Mates, dates and pulling power. London: Piccadilly, 2007.

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Pushing and pulling. Chicago, Ill: Raintree, 2005.

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Gibson, Gary. Pushing and pulling. Mankato, Minn: Stargazer Books, 2009.

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Gibson, Gary. Pushing and pulling. Brookfield, CT: Copper Beech Books, 1996.

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Gibson, Gary. Pushing and pulling. Brookfield, Conn: Copper Beech Books, 1995.

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J, Murphy John. Pulling together: The power of teamwork. Grand Rapids, MI: Venture Management Consultants, 1993.

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J, Murphy John. Pulling together: The power of teamwork. Grand Rapids, Mich: Wynwood, 1997.

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Hyde, Natalie. Pushing and pulling. Catharines, Ontario: Crabtree Publishing Company, 2014.

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Hanʾguk minju chŏngchʻi wa samkwŏn pullip: Sabŏp simsakwŏn hwakchʻung ŭl chungsim ŭro = Korean democracy and the separation of powers : with a special emphasis on judicial review. Sŏul Tʻŭkpyŏlsi: Chayu Kiŏp Sentʻŏ, 1998.

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Pulling Power. London Bridge (Mm), 1997.

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Book chapters on the topic "Pulling power"

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Pereira, Maria do Mar. "Pushing and pulling the boundaries of knowledge." In Power, Knowledge and Feminist Scholarship, 44–68. 1 Edition. | New York : Routledge, [2017]: Routledge, 2017. http://dx.doi.org/10.4324/9781315692623-3.

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Ingebritsen, Christine. "6. Pulling in Different Directions: The Europeanization of Scandinavian Political Economies." In Tamed Power, edited by Peter J. Katzenstein, 167–94. Ithaca, NY: Cornell University Press, 2019. http://dx.doi.org/10.7591/9781501731488-008.

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Burton, Guy. "Pulling Their Punches: BRIC Foreign Policies in the Middle East." In Global Power Shift, 207–30. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16289-8_10.

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de Vries, Lotje. "Pulling the Ropes: Convenient Indeterminacies and the Negotiation of Power at Kaya’s Border Checkpoint." In The Borderlands of South Sudan, 153–72. New York: Palgrave Macmillan US, 2013. http://dx.doi.org/10.1057/9781137340894_8.

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Høiback, Harald. "Military Operations." In Handbook of Military Sciences, 1–20. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-02866-4_15-1.

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AbstractMilitary operations can be a complex and cumbersome undertaking, involving millions of soldiers and tonnes of equipment. Even though war has been part of human experience for time immemorial, systematic thinking about how to prepare, conduct, and use military operations is nonetheless a rather new undertaking. This chapter explores the history of thinking about military operations, broadly defined, and narrows down on operations as the concept is used today.After the historical exploration, the chapter investigates how military operations can be studied. In principle, there are four different ways to approach operations as a field of study. The most common methods are the historical method and operations research, i.e., making heuristic models of reality. Game theory and axiomatic foundationalism are the other two but are far less used than the former two.The development of modern military thinking notwithstanding, it is still difficult to convert military power to strategic gains, and the latter part of the chapter explains why. Military commanders and planning groups do not always get the what and why from the political level, making it difficult to find the how. Military operations are also intrinsically difficult because your opponent will try to make it difficult for you. The concept of an operational level of command is also problematic, since it tends to do the opposite of what is intended. Instead of pulling tactics and strategy closer together, it tends to push them apart. And finally, the word “art” in “operational art” is perhaps also an unfortunate misnomer?
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Høiback, Harald. "Military Operations." In Handbook of Military Sciences, 1–20. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-02866-4_15-1.

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AbstractMilitary operations can be a complex and cumbersome undertaking, involving millions of soldiers and tonnes of equipment. Even though war has been part of human experience for time immemorial, systematic thinking about how to prepare, conduct, and use military operations is nonetheless a rather new undertaking. This chapter explores the history of thinking about military operations, broadly defined, and narrows down on operations as the concept is used today.After the historical exploration, the chapter investigates how military operations can be studied. In principle, there are four different ways to approach operations as a field of study. The most common methods are the historical method and operations research, i.e., making heuristic models of reality. Game theory and axiomatic foundationalism are the other two but are far less used than the former two.The development of modern military thinking notwithstanding, it is still difficult to convert military power to strategic gains, and the latter part of the chapter explains why. Military commanders and planning groups do not always get the what and why from the political level, making it difficult to find the how. Military operations are also intrinsically difficult because your opponent will try to make it difficult for you. The concept of an operational level of command is also problematic, since it tends to do the opposite of what is intended. Instead of pulling tactics and strategy closer together, it tends to push them apart. And finally, the word “art” in “operational art” is perhaps also an unfortunate misnomer?
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"Pulling Down the Clouds." In Ocean Power, 9–10. University of Arizona Press, 1995. http://dx.doi.org/10.2307/j.ctv1vg7p57.4.

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Cowdery, Randi S., Norma Scarborough, Monique E. Lewis, and Gita Seshadri. "Pulling Together: How African American Couples Manage Social Inequalities." In Couples, Gender, and Power. New York, NY: Springer Publishing Company, 2009. http://dx.doi.org/10.1891/9780826117564.0012.

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Miao, Michelle. "Pulling states towards abolitionism: the power of acculturation as a socialization mechanism." In Comparative Capital Punishment, 319–40. Edward Elgar Publishing, 2019. http://dx.doi.org/10.4337/9781786433251.00028.

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Gordon, Lewis R. "Wright’s Afromodern Search for Political Freedom." In The Politics of Richard Wright, 26–44. University Press of Kentucky, 2018. http://dx.doi.org/10.5810/kentucky/9780813175164.003.0003.

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Lewis R. Gordon argues that Wright’s writings cast light on the suffocating world produced by colonialism, enslavement, and racism, in which black people are treated as if they simply don’t matter. Wright showed that blacks in the United States are fundamentally historically excluded from the political, aesthetic, and epistemic institutions of the only world to which they are indigenous. By pulling readers into places “they wished never to go,” he demonstrated how the erosion of black political power in fact increased political impotence among humankind. Wright, argues Gordon, was particularly prescient about the relationship between the racist state and twentieth-century fascism. They jointly eradicate conditions of political appearance and freedom, replacing them with unilateral rule.
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Conference papers on the topic "Pulling power"

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Pazderin, A. V., and S. V. Yuferev. "Pulling the operating point back onto the feasibility boundary." In 2009 International Conference on Sustainable Power Generation and Supply. SUPERGEN 2009. IEEE, 2009. http://dx.doi.org/10.1109/supergen.2009.5347931.

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Babin, Jacques, Jack Clemens, Bryce Sauser, and Gabriela Davalos. "Pulling Subsea Wellhead Plugs Using a Slickline Downhole Electrical Power Generator Tool." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/176159-ms.

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Sangla, Damien, Nicolas Aubry, Julien Didierjean, Didier Perrodin, François Balembois, Kheirredine Lebbou, Alain Brenier, Patrick Georges, Jean Marie Fourmigue, and Olivier Tillement. "High-power laser with Nd:YAG single-crystal fiber grown by micro-pulling down technique." In Lasers and Applications in Science and Engineering, edited by W. Andrew Clarkson, Norman Hodgson, and Ramesh K. Shori. SPIE, 2008. http://dx.doi.org/10.1117/12.762747.

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Capelli-Mouvand, Thomas, Anthony Ghiotto, Philippe Cathelin, and Nathalie Deltimple. "5G Millimeter Wave Active Phased-Array Antenna Active Load Pulling Evaluation on Power Amplifiers." In 2021 15th European Conference on Antennas and Propagation (EuCAP). IEEE, 2021. http://dx.doi.org/10.23919/eucap51087.2021.9410977.

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Pohl, Nils, Hans-Martin Rein, Thomas Musch, Klaus Aufinger, and Josef Hausner. "Investigation and reduction of frequency pulling in SiGe mm-wave VCOs at limited power consumption." In 2010 IEEE Bipolar/BiCMOS Circuits and Technology Meeting - BCTM. IEEE, 2010. http://dx.doi.org/10.1109/bipol.2010.5667954.

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Didierjean, Julien, Marc Castaing, Francois Balembois, Patrick Georges, Didier Perrodin, Jean Marie Fourmigue, Kherredine Lebbou, Alain Brenier, and Olivier Tillement. "High power laser based on Nd:YAG single-crystal fiber grown by micro-pulling-down technique." In 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference. IEEE, 2007. http://dx.doi.org/10.1109/cleoe-iqec.2007.4385874.

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Sangla, D., N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, J. M. Fourmigue, and O. Tillement. "High-power laser with Yb:YAG crystal fiber directly grown by the micro-pulling down technique." In 11th European Quantum Electronics Conference (CLEO/EQEC). IEEE, 2009. http://dx.doi.org/10.1109/cleoe-eqec.2009.5192552.

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Chen, Guishun, Guanglin Shi, and Ruijia Huang. "Research on Double-Axis Electro-Hydraulic Proportional Loading Control System With Intelligent Dual-PID for Membrane Materials." In ASME/BATH 2014 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpmc2014-7824.

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Membrane material is one kind of special material with nonlinear feature. Its mechanical characteristic is so complicated and anisotropic that the performance is quite different between the single-axis loading and the double-axis loading. So the experimental results with the single-axis loading will usually lead to unexpected results. With the development and widely application of membrane materials, the double-axis property experiment plays an increasingly important role all around the world. Considering the situation mentioned above, a double-axis electro-hydraulic proportional loading control system with intelligent dual-PID is proposed in this paper, which controls four cylinders respectively with the help of four electro-hydraulic proportional directional valves. The cylinders provide pulling force to membrane material directly under the control of electro-hydraulic proportional directional valves. And the opening of each electro-hydraulic proportional directional valve is adjusted by intelligent dual-PID according to the pulling force as well as the position of cylinder. The simulation model of double-axis electro-hydraulic proportional loading control system with intelligent dual-PID is built and an intelligent dual-PID algorithm is also designed in this paper. The simulation and experiments show that the double-axis electro-hydraulic proportional loading control system with intelligent dual-PID can fulfill the loading precision requirement of double-axis membrane material experiment.
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Sangla, Damien, Nicolas Aubry, Julien Didierjean, Didier Perrodin, François Balembois, Kherreddine Lebbou, Alain Brenier, Patrick Georges, Jean-Marie Fourmigue, and Olivier Tillement. "High power laser with Yb:YAG single crystal fibers directly grown by the micro-pulling down technique." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/assp.2009.tub16.

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Sangla, Damien, Julien Didierjean, Nicolas Aubry, Didier Perrodin, François Balembois, Kherreddine Lebbou, Alain Brenier, Patrick Georges, Jean Marie Fourmigue, and Olivier Tillement. "Micro-pulling down Nd:YAG single crystal fibers for high power linearly polarized CW and Q-Switched lasers." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/assp.2008.wb26.

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