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Your search keyword '"Yao Q-"' showing total 20 results
Start Over Author "Yao Q-" Journal ieee transactions on applied superconductivity
20 results on '"Yao Q-"'

2. DCT&CCT Superconducting Multiplets for HIAF-HFRS

Author

Mei, E. M., primary, Sun, L. T., additional, You, W., additional, Liang, Y., additional, Ou, X. J., additional, Tong, Y. J., additional, Qin, X. Q., additional, Zheng, S. J., additional, Zhang, X., additional, Zhang, J. J., additional, Yang, T. L., additional, Ni, D. S., additional, Wang, X. D., additional, Wang, L. S., additional, Yang, Y. B., additional, Wu, B. M., additional, Chen, Y. Q., additional, Zhu, L., additional, Lu, J. Q., additional, Chen, Y., additional, Yao, Q. G., additional, Yang, W. J., additional, and Wu, W., additional

Published
2022
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4. Development of a Cyclotron Magnet

Author

Yao, Q. G., primary, Zhou, L. C., additional, Yu, H. Y., additional, Pei, C. P., additional, Zhao, L. X., additional, Han, S. F., additional, Zhang, J. Q., additional, Wang, B., additional, Zhang, X. Y., additional, Ma, L. Z., additional, and Yuan, P., additional

Published
2016
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5. The Study of Synchrotron Quadrupole in HIMM

Author

Yao, Q. G., primary, Zhang, X., additional, Yang, J., additional, Zhang, X. Y., additional, Pei, C. P., additional, Yang, W. J., additional, Han, S. F., additional, Ma, L. Z., additional, and Yuan, P., additional

Published
2016
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7. The Development of HITFiL Cyclotron Magnet

Author

Yao, Q. G., primary, Han, S. F., additional, Pei, C. P., additional, Zhang, X., additional, Zhang, X. Y., additional, Yang, W. J., additional, Yang, L. L., additional, Hao, H. F., additional, Wang, B., additional, Zhang, X. Q., additional, Ma, L. Z., additional, and Yuan, P., additional

Published
2014
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10. Magnet Technology Activities and Status at IMP

Author

Yuan, P., primary, Ma, L. Z., additional, Zhang, B., additional, Zhang, X. Q., additional, Han, S. F., additional, Yao, Q. G., additional, Sun, G. P., additional, Wang, W. J., additional, Wang, F., additional, Xie, C. A., additional, Xu, D. Y., additional, He, Y., additional, Wu, W., additional, Zhang, X. Y., additional, Ni, D. S., additional, Yang, T. J., additional, and Zhang, S. L., additional

Published
2012
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14. Magnetic Field Design of the Dipole for Super-FRS at FAIR

Author

Yao, Q G, primary, Ma, L Z, additional, Zhang, X Q, additional, He, Y, additional, Wu, W, additional, Moritz, G, additional, Leibrock, H, additional, Han, S F, additional, Ni, D S, additional, Guo, B L, additional, Wu, X, additional, Zhang, B, additional, Zhang, S L, additional, Yuan, P, additional, and Zhan, W L, additional

Published
2010
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15. Stress Analysis of the Superconducting Magnet of LPT

Author

Wu, X, primary, Yuan, P, additional, Ma, L Z, additional, Zhang, X Q, additional, He, Y, additional, Yao, Q G, additional, Wu, W, additional, Guo, B L, additional, Han, S F, additional, Zhang, B, additional, Zhang, S L, additional, and Huang, W X, additional

Published
2010
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16. Some Superconducting Magnets at IMP

Author

Yuan, P, primary, Zhao, H W, additional, Leibrock, H, additional, Ma, L Z, additional, Sun, L T, additional, Zhang, X Q, additional, Zhang, B, additional, Guo, B L, additional, Wu, W, additional, Yao, Q G, additional, Wu, W Y, additional, Wang, Q L, additional, Wu, X, additional, Han, S F, additional, He, Y, additional, and Zhang, S L, additional

Published
2010
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19. Characterization of the Performance of a Quasi-Optical NbN Superconducting HEB Mixer.

Author

Jiang, L., Zhang, W., Li, N., Lin, Z. H., Yao, Q. J., Miao, W., Shi, S. C., Svechnikov, S. I., Vakhtomin, Y. B., Antipov, S. V., Voronov, B. M., and Gol'tsman, G. N.

Subjects
MICROWAVE mixers, BOLOMETERS, ELECTRIC noise, SUPERCONDUCTORS, ELECTRIC power supplies to apparatus, POWER transmission, ELECTRIC oscillators, ELECTRIC power, MICROWAVE detectors
Abstract

In this paper we focus mainly on the investigation of the performance of a quasi-optical (planar log-spiral antenna) phonon-cooled NbN superconducting hot electron bolometer (HEB) mixer, which is cryogenically cooled by a close-cycled 4-K cryocooler, at 500 and 850 GHz frequency bands. The mixer's noise performance, stability of IF output power, and local oscillator (LO) power requirement are characterized for three NbN superconducting HEB devices of different sizes. The transmission characteristics of Mylar and Zitex films with incidence waves of an elliptical polarization are also examined by measuring the mixer's noise temperature. The lowest receiver noise temperatures (with no corrections) of 750 and 1100 K are measured at 500 and 850 GHz, respectively. Experimental results also demonstrate that the bigger the HEB device is, the higher the stability of IF output power becomes. [ABSTRACT FROM AUTHOR]

Published
2007
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20. Characterization of NbN HEB Mixers Cooled by a Close-Cycled 4 Kelvin Refrigerator.

Author

Jiang, L., Li, J., Zhang, W., Yao, Q. J., Lin, Z. L., Shi, S. C., Vachtomin, Y. B., Antipov, S. V., Svechnikov, S. I., Voronov, B. M., and Goltsman, G. N.

Subjects
ELECTRIC equipment, PHYSICAL sciences, ASTRONOMY, BOLOMETERS, INFRARED detectors, MIXING circuits
Abstract

It is quite beneficial to operate superconducting hot-electron-bolometer (HEB) mixers with a close-cycled 4 Kelvin refrigerator for real applications such as astronomy and atmospheric research. In this paper, a phononcooled NbN HEB mixer (quasioptical type) is thoroughly characterized under such a cooling circumstance. The effects of mechanical vibration, electrical interference, and temperature fluctuation of a two-stage Gifford-McMahon 4 Kelvin refrigerator upon the characteristics of the phononcooled NbN HEB mixer are investigated in particular. Detailed measurement results are presented. [ABSTRACT FROM AUTHOR]

Published
2005
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