المؤلفون: Yi Jiang, Nils Olsen, JiaMing Ou, Qing Yan

المصدر: Earth and Planetary Physics, Vol 7, Iss 1, Pp 151-160 (2023)

مصطلحات موضوعية: elliptical orbit, satellite orbit simulation, lithosphere field modelling, spherical harmonics, Science, Geophysics. Cosmic physics, QC801-809, Environmental sciences, GE1-350

وصف الملف: electronic resource

العلاقة: https://doaj.org/toc/2096-3955Test

الوصول الحر: https://doaj.org/article/d6b8fb8e4fc94efcaa5f5b4aad7a0e87Test

المؤلفون: Mee, Nicholas, author

المصدر: Gravity: From Falling Apples to Supermassive Black Holes, 2022, ill.

الإتاحة: https://doi.org/10.1093/oso/9780192845283.003.0003Test

المؤلفون: Yuxian Yue, Jinyue Geng, Guanhua Feng, Wenhao Li

المصدر: Aerospace, Vol 10, Iss 10, p 899 (2023)

مصطلحات موضوعية: very low Earth orbit, air-breathing electric propulsion, elliptical orbit, control method, Motor vehicles. Aeronautics. Astronautics, TL1-4050

وصف الملف: electronic resource

العلاقة: https://www.mdpi.com/2226-4310/10/10/899Test; https://doaj.org/toc/2226-4310Test

الوصول الحر: https://doaj.org/article/eee9688188fb4ba986a87499c70b3afdTest

المؤلفون: Luferchik, A. V., Luferchik, P. V., Galeev, R. G., Bogatyrev, E. V.

المصدر: URAL RADIO ENGINEERING JOURNAL; Том 7, № 2 (2023): URAL RADIO ENGINEERING JOURNAL ; 2588-0462 ; 2588-0454

مصطلحات موضوعية: satellite radio channel, Ka and Q frequency bands, highly elliptical orbit, signal attenuation, spacecraft, earth station, atmospheric disturbances, rain intensity, cпутниковый радиоканал, Ka- и Q-диапазоны частот, затухание сигнала, высокоэллиптическая орбита, атмосферные возмущения, интенсивность дождя, космический аппарат, земная станция

العلاقة: https://journals.urfu.ru/index.php/urj/article/view/7293/5277Test; https://journals.urfu.ru/index.php/urj/article/view/7293Test

الإتاحة: https://journals.urfu.ru/index.php/urj/article/view/7293Test

المؤلفون: Veniamin V. Malyshev, Alexander V. Starkov, Alexander V. Fedorov, Alexey A. Trishin

المصدر: RUDN Journal of Engineering Research, Vol 22, Iss 2, Pp 172-183 (2021)

مصطلحات موضوعية: spacecraft, optimal control, dynamic operations, synthesis, circular orbit, highly elliptical orbit, technique, safety, mathematical model, Engineering (General). Civil engineering (General), TA1-2040

وصف الملف: electronic resource

العلاقة: http://journals.rudn.ru/engineering-researches/article/viewFile/27549/19866Test; https://doaj.org/toc/2312-8143Test; https://doaj.org/toc/2312-8151Test

الوصول الحر: https://doaj.org/article/265678d4edcf49f183e64e78a5d85c0eTest

المؤلفون: H. C. POLAT, O. TEKINALP

المصدر: Publications of the Astronomical Observatory of Belgrade 101 71-91

مصطلحات موضوعية: solar sail satellite, station-keeping, gauss variational equations, elliptical orbit, low earth orbit

العلاقة: https://publications.aob.rs/101/pdf/071-091.pdfTest; https://zenodo.org/communities/astronomy-generalTest; https://zenodo.org/record/5643570Test; https://doi.org/10.5281/zenodo.5643570Test; oai:zenodo.org:5643570

الإتاحة: https://doi.org/10.5281/zenodo.5643570Test
https://doi.org/10.5281/zenodo.5643569Test
https://zenodo.org/record/5643570Test

المؤلفون: Jinhua Sheng, Yangjie Ma, Weixiang Liu, Qingqiang Liu

المصدر: IEEE Access, Vol 7, Pp 184385-184397 (2019)

مصطلحات موضوعية: Attenuation correction (AC), computed tomography (CT), elliptical orbit, ordered subsets expectation maximization (OSEM), single photon emission computed tomography (SPECT), slit-slat collimation, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

العلاقة: https://ieeexplore.ieee.org/document/8935517Test/; https://doaj.org/toc/2169-3536Test

الوصول الحر: https://doaj.org/article/5f00f61decb245d494e1851fcfbb893cTest

المؤلفون: Mokhnatkin Artem, Molotov Igor, Tijerina Eduardo Gerardo Perez, Leon José Enrique Perez, Kokina Tatiana, Schildknecht Thomas

المصدر: Open Astronomy, Vol 27, Iss 1, Pp 167-174 (2018)

مصطلحات موضوعية: telescope, high elliptical orbit, geosynchronous orbit, space debris, satellite, tracking, Astronomy, QB1-991

وصف الملف: electronic resource

العلاقة: https://doaj.org/toc/2543-6376Test

الوصول الحر: https://doaj.org/article/197ed55f200e415cb7c7452f62b4cfd9Test

المؤلفون: La Norcia R., Spiller D., Curti F., Circi C.

المساهمون: La Norcia, R., Spiller, D., Curti, F., Circi, C.

مصطلحات موضوعية: aerospace engineering, space system, formation flying, highly elliptical orbit, particle swarm optimization

العلاقة: info:eu-repo/semantics/altIdentifier/wos/WOS:000646300300004; volume:67; issue:11; firstpage:3409; lastpage:3425; numberofpages:17; journal:ADVANCES IN SPACE RESEARCH; http://hdl.handle.net/11573/1559273Test; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85084464021

الإتاحة: https://doi.org/10.1016/j.asr.2020.04.008Test
http://hdl.handle.net/11573/1559273Test

المؤلفون: Xinchang Hu, Pengbo Wang, Hongcheng Zeng, Yanan Guo

المصدر: Remote Sensing; Volume 13; Issue 23; Pages: 4883

مصطلحات موضوعية: highly elliptical orbit, squinted sliding spotlight SAR, R4-ESRM, imaging algorithm, hybrid correlation

جغرافية الموضوع: agris

وصف الملف: application/pdf

العلاقة: https://dx.doi.org/10.3390/rs13234883Test

الإتاحة: https://doi.org/10.3390/rs13234883Test