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f | 1 | { | f | 1 | { |
2 | "author": "Mingyue Zhang", | 2 | "author": "Mingyue Zhang", | ||
3 | "author_email": "zhang@ife.uni-hannover.de", | 3 | "author_email": "zhang@ife.uni-hannover.de", | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.25835/hiioueb9", | 5 | "doi": "10.25835/hiioueb9", | ||
6 | "doi_date_published": "2022-01-28", | 6 | "doi_date_published": "2022-01-28", | ||
7 | "doi_publisher": "LUIS", | 7 | "doi_publisher": "LUIS", | ||
8 | "doi_status": "true", | 8 | "doi_status": "true", | ||
9 | "domain": "https://data.uni-hannover.de", | 9 | "domain": "https://data.uni-hannover.de", | ||
10 | "groups": [], | 10 | "groups": [], | ||
11 | "have_copyright": "Yes", | 11 | "have_copyright": "Yes", | ||
12 | "id": "0e224cff-9d06-4892-ac6c-e5fe428eb098", | 12 | "id": "0e224cff-9d06-4892-ac6c-e5fe428eb098", | ||
13 | "isopen": false, | 13 | "isopen": false, | ||
14 | "license_id": "CC-BY-NC-3.0", | 14 | "license_id": "CC-BY-NC-3.0", | ||
15 | "license_title": "CC-BY-NC-3.0", | 15 | "license_title": "CC-BY-NC-3.0", | ||
16 | "maintainer": "Liliane Biskupek", | 16 | "maintainer": "Liliane Biskupek", | ||
17 | "maintainer_email": "biskupek@ife.uni-hannover.de", | 17 | "maintainer_email": "biskupek@ife.uni-hannover.de", | ||
18 | "metadata_created": "2023-01-12T13:14:25.246477", | 18 | "metadata_created": "2023-01-12T13:14:25.246477", | ||
n | 19 | "metadata_modified": "2023-01-12T13:14:25.246483", | n | 19 | "metadata_modified": "2023-08-04T08:46:47.285718", |
20 | "name": "luh-simulated-dllr-data-for-timespan-1970-2021", | 20 | "name": "luh-simulated-dllr-data-for-timespan-1970-2021", | ||
21 | "notes": "Differential Lunar Laser Ranging (DLLR) is a new concept | 21 | "notes": "Differential Lunar Laser Ranging (DLLR) is a new concept | ||
22 | which will be implemented at the Table Mountain Observatory of JPL. A | 22 | which will be implemented at the Table Mountain Observatory of JPL. A | ||
23 | DLLR station will measure a lunar reflector at time t1 to get a range | 23 | DLLR station will measure a lunar reflector at time t1 to get a range | ||
24 | measurement. After a short switching interval (e.g., 1.5 min), the | 24 | measurement. After a short switching interval (e.g., 1.5 min), the | ||
25 | same station at time t2 will measure another reflector to get another | 25 | same station at time t2 will measure another reflector to get another | ||
26 | range. The DLLR observation will be obtained by the difference of the | 26 | range. The DLLR observation will be obtained by the difference of the | ||
27 | two consecutive range measurements, called lunar range difference. As | 27 | two consecutive range measurements, called lunar range difference. As | ||
28 | no actual DLLR data is available now, we did the DLLR simulation based | 28 | no actual DLLR data is available now, we did the DLLR simulation based | ||
29 | on modifying the LLR simulation software of Hofmann (2017).\r\n\r\nThe | 29 | on modifying the LLR simulation software of Hofmann (2017).\r\n\r\nThe | ||
30 | simulated DLLR data is simulated according to the real Lunar Laser | 30 | simulated DLLR data is simulated according to the real Lunar Laser | ||
31 | Ranging (LLR) 28093 normal points from 1970 to 2021 provided by the | 31 | Ranging (LLR) 28093 normal points from 1970 to 2021 provided by the | ||
32 | stations McDonald, MLRS1, MLRS2, OCA, WLRS, MLRO, APOLLO and LURE for | 32 | stations McDonald, MLRS1, MLRS2, OCA, WLRS, MLRO, APOLLO and LURE for | ||
33 | the reflectors Apollo 11, Apollo 14, Apollo 15, Lunokhod 1 and 2. The | 33 | the reflectors Apollo 11, Apollo 14, Apollo 15, Lunokhod 1 and 2. The | ||
34 | data distribution, the assumed stations and reflectors used for DLLR | 34 | data distribution, the assumed stations and reflectors used for DLLR | ||
35 | simulation are the same as those of the real LLR data group. We | 35 | simulation are the same as those of the real LLR data group. We | ||
36 | simulated four DLLR data groups, two with 1.5-minute switching | 36 | simulated four DLLR data groups, two with 1.5-minute switching | ||
37 | interval, two with 15-minute switching interval. Each switching | 37 | interval, two with 15-minute switching interval. Each switching | ||
38 | interval group includes two subgroups with different observation | 38 | interval group includes two subgroups with different observation | ||
39 | accuracies. One is the same as the LLR range accuracy and another one | 39 | accuracies. One is the same as the LLR range accuracy and another one | ||
40 | is 200 times improved based on LLR range accuracy. For this DLLR | 40 | is 200 times improved based on LLR range accuracy. For this DLLR | ||
41 | simulation, the used temperature, pressure, wavelength and humidity of | 41 | simulation, the used temperature, pressure, wavelength and humidity of | ||
42 | the station are the same for the two measurement time points t1 and | 42 | the station are the same for the two measurement time points t1 and | ||
43 | t2.\r\n\r\nThe respective columns of the data contain the following | 43 | t2.\r\n\r\nThe respective columns of the data contain the following | ||
44 | information: \r\n\r\n1. station CODE\r\n2. measuring time t1 | 44 | information: \r\n\r\n1. station CODE\r\n2. measuring time t1 | ||
45 | [JD]\r\n3. reflector 1\r\n4. reflector 2\r\n5. range difference | 45 | [JD]\r\n3. reflector 1\r\n4. reflector 2\r\n5. range difference | ||
46 | [km]\r\n6. accuracy [um]\r\n7. temperature[ Celsius degree]\r\n8. | 46 | [km]\r\n6. accuracy [um]\r\n7. temperature[ Celsius degree]\r\n8. | ||
47 | pressure [hPa]\r\n9. wavelength [um]\r\n10. humidity [%]\r\n\r\nA | 47 | pressure [hPa]\r\n9. wavelength [um]\r\n10. humidity [%]\r\n\r\nA | ||
48 | detailed description of the simulation process and the analysis of the | 48 | detailed description of the simulation process and the analysis of the | ||
49 | data sets is published as \"_Characteristics of differential lunar | 49 | data sets is published as \"_Characteristics of differential lunar | ||
50 | laser ranging_, Astronomy & Astrophysics, in review, 2022\".\r\n\r\nAs | 50 | laser ranging_, Astronomy & Astrophysics, in review, 2022\".\r\n\r\nAs | ||
51 | the simulated data is still under scientific investigation, the data | 51 | the simulated data is still under scientific investigation, the data | ||
52 | sets are of a preliminary nature and show work in progress at the | 52 | sets are of a preliminary nature and show work in progress at the | ||
53 | Institute of Geodesy at Leibniz University | 53 | Institute of Geodesy at Leibniz University | ||
54 | Hannover.\r\n\r\n-----\r\nHofmann, F. (2017), _Lunar Laser Ranging | 54 | Hannover.\r\n\r\n-----\r\nHofmann, F. (2017), _Lunar Laser Ranging | ||
55 | \u2013 verbesserte Modellierung der Monddynamik und Sch\u00e4tzung | 55 | \u2013 verbesserte Modellierung der Monddynamik und Sch\u00e4tzung | ||
56 | relativistischer Parameter_, PhD thesis, Leibniz University | 56 | relativistischer Parameter_, PhD thesis, Leibniz University | ||
57 | Hannover.\r\n", | 57 | Hannover.\r\n", | ||
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61 | "approval_status": "approved", | 61 | "approval_status": "approved", | ||
62 | "created": "2021-10-14T10:15:52.960546", | 62 | "created": "2021-10-14T10:15:52.960546", | ||
63 | "description": "Schneiderberg 50, 30167 | 63 | "description": "Schneiderberg 50, 30167 | ||
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177 | "state": "active", | 178 | "state": "active", | ||
178 | "tags": [ | 179 | "tags": [ | ||
179 | { | 180 | { | ||
180 | "display_name": "DLLR", | 181 | "display_name": "DLLR", | ||
181 | "id": "e68ecacf-37b5-44eb-8565-bb3767be2eb5", | 182 | "id": "e68ecacf-37b5-44eb-8565-bb3767be2eb5", | ||
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192 | } | 193 | } | ||
193 | ], | 194 | ], | ||
194 | "terms_of_usage": "Yes", | 195 | "terms_of_usage": "Yes", | ||
195 | "title": "Simulated DLLR data for timespan 1970 - 2021", | 196 | "title": "Simulated DLLR data for timespan 1970 - 2021", | ||
196 | "type": "vdataset", | 197 | "type": "vdataset", | ||
197 | "url": | 198 | "url": | ||
198 | a.uni-hannover.de/dataset/simulated-dllr-data-for-timespan-1970-2021", | 199 | a.uni-hannover.de/dataset/simulated-dllr-data-for-timespan-1970-2021", | ||
199 | "version": "" | 200 | "version": "" | ||
200 | } | 201 | } |