15 research outputs found
Π‘ΠΏΠΎΡΠΎΠ± ΠΎΡΠ΅Π½ΠΈΠ²Π°Π½ΠΈΡ ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π² ΠΈΠΎΠ½ΠΎΡΡΠ΅ΡΠ΅ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΈΠΈ ΡΠΈΠ³Π½Π°Π»ΠΎΠ² Π³Π»ΠΎΠ±Π°Π»ΡΠ½ΠΎΠΉ Π½Π°Π²ΠΈΠ³Π°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠΏΡΡΠ½ΠΈΠΊΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ GPS
Objectives. The problem of developing hardware effective method for estimating the total electron content in the ionosphere based on retransmission of the L1, L2 signals of the global navigation satellite system GPS using a repeater nanosatellite is solved.Methods. It is shown that with the retransmission of L1, L2 signals at frequencies of 150/400 MHz allocated for geophysical research, a coherent multi-position radar system is formed, including navigation satellites (NS) β signal sources, repeater nanosatellite (SR) and ground receiving points (RP). The delay time and phase of the four received signals contain the information about the total TEC on the propagation paths NS β SR and SR β RP. It is shown that due to retransmission and subsequent processing, it is possible to isolate TECs on each of the propagation paths as well as determination of the coordinates of the SR.Results. The content of the method, the procedure for evaluating TEC based on the results of processing the relayed signals, and the technical requirements for the relay equipment are determined. The accuracy characteristics of the proposed method are obtained. Simulation results are given.Conclusion. The information presented in the article may be useful for specialists and researchers who interested in the issues of radio tomographic research of the ionosphere and forecasting hazardous natural phenomena.Π¦Π΅Π»ΠΈ. Π Π΅ΡΠ°Π΅ΡΡΡ Π·Π°Π΄Π°ΡΠ° ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΠΎ Π°ΠΏΠΏΠ°ΡΠ°ΡΡΡΠ½ΡΠΌ Π·Π°ΡΡΠ°ΡΠ°ΠΌ ΡΠΏΠΎΡΠΎΠ±Π° ΠΎΡΠ΅Π½ΠΈΠ²Π°Π½ΠΈΡ ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π² ΠΈΠΎΠ½ΠΎΡΡΠ΅ΡΠ΅ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΈΠΈ ΡΠΈΠ³Π½Π°Π»ΠΎΠ² Π³Π»ΠΎΠ±Π°Π»ΡΠ½ΠΎΠΉ Π½Π°Π²ΠΈΠ³Π°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠΏΡΡΠ½ΠΈΠΊΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ GPS Π½Π° Π΄Π²ΡΡ
ΡΠ°ΡΡΠΎΡΠ°Ρ
L1, L2 ΠΊΠΎΠ³Π΅ΡΠ΅Π½ΡΠ½ΡΡ
ΡΠΈΠ³Π½Π°Π»ΠΎΠ² Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΌΠ°Π»ΠΎΠ³Π°Π±Π°ΡΠΈΡΠ½ΠΎΠ³ΠΎ Π½Π°Π½ΠΎΡΠΏΡΡΠ½ΠΈΠΊΠ°-ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΎΡΠ°.ΠΠ΅ΡΠΎΠ΄Ρ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΏΡΠΈ ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΈΠΈ Π½Π°Π²ΠΈΠ³Π°ΡΠΈΠΎΠ½Π½ΡΡ
ΡΠΈΠ³Π½Π°Π»ΠΎΠ² Π½Π° Π²ΡΠ΄Π΅Π»Π΅Π½Π½ΡΠ΅ Π΄Π»Ρ Π³Π΅ΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΡΠ°ΡΡΠΎΡΡ 150/400 ΠΠΡ ΠΎΠ±ΡΠ°Π·ΡΠ΅ΡΡΡ ΠΊΠΎΠ³Π΅ΡΠ΅Π½ΡΠ½Π°Ρ ΠΌΠ½ΠΎΠ³ΠΎΠΏΠΎΠ·ΠΈΡΠΈΠΎΠ½Π½Π°Ρ ΡΠ°Π΄ΠΈΠΎΠ»ΠΎΠΊΠ°ΡΠΈΠΎΠ½Π½Π°Ρ ΡΠΈΡΡΠ΅ΠΌΠ°, Π²ΠΊΠ»ΡΡΠ°ΡΡΠ°Ρ Π½Π°Π²ΠΈΠ³Π°ΡΠΈΠΎΠ½Π½ΡΠ΅ ΡΠΏΡΡΠ½ΠΈΠΊΠΈ (ΠΠ‘) β ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠΈ ΡΠΈΠ³Π½Π°Π»ΠΎΠ², Π½Π°Π½ΠΎΡΠΏΡΡΠ½ΠΈΠΊ-ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΎΡ (Π‘Π ) ΠΈ Π½Π°Π·Π΅ΠΌΠ½ΡΠ΅ ΠΏΡΠΈΠ΅ΠΌΠ½ΡΠ΅ ΠΏΡΠ½ΠΊΡΡ (ΠΠ). ΠΡΠ΅ΠΌΡ Π·Π°Π΄Π΅ΡΠΆΠΊΠΈ ΠΈ ΡΠ°Π·Ρ ΡΠ΅ΡΡΡΠ΅Ρ
ΠΏΡΠΈΠ½ΠΈΠΌΠ°Π΅ΠΌΡΡ
ΡΠΈΠ³Π½Π°Π»ΠΎΠ² ΡΠΎΠ΄Π΅ΡΠΆΠ°Ρ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡ ΠΎ ΡΡΠΌΠΌΠ°ΡΠ½ΠΎΠΌ ΠΏΠΎΠ»Π½ΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΌ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠΈ Π½Π° ΡΡΠ°ΡΡΠ°Ρ
ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΠ‘ β Π‘Π ΠΈ Π‘Π β ΠΠ. ΠΠ° ΡΡΠ΅Ρ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΠΈΠ³Π½Π°Π»ΠΎΠ² Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΠ΅ ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π½Π° ΠΊΠ°ΠΆΠ΄ΠΎΠΉ ΠΈΠ· ΡΡΠ°ΡΡ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ΠΈΡ, Π° ΡΠ°ΠΊΠΆΠ΅ Π½Π°Ρ
ΠΎΠΆΠ΄Π΅Π½ΠΈΠ΅ ΠΊΠΎΠΎΡΠ΄ΠΈΠ½Π°Ρ CΠ .Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Ρ ΡΠΏΠΎΡΠΎΠ± ΠΈ ΠΏΠΎΡΡΠ΄ΠΎΠΊ ΠΎΡΠ΅Π½ΠΈΠ²Π°Π½ΠΈΡ ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΏΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°ΠΌ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΠ΅ΡΡΠ°Π½ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΡΠΈΠ³Π½Π°Π»ΠΎΠ² ΠΈ ΡΠ΅Ρ
Π½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΡ ΠΊ Π°ΠΏΠΏΠ°ΡΠ°ΡΡΡΠ΅ ΡΠ΅ΡΡΠ°Π½ΡΠ»ΡΡΠΈΠΈ. ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ ΡΠΎΡΠ½ΠΎΡΡΠΈ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ.ΠΠ°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Π½ΡΠ΅ Π² ΡΡΠ°ΡΡΠ΅ ΡΠ²Π΅Π΄Π΅Π½ΠΈΡ ΠΌΠΎΠ³ΡΡ Π±ΡΡΡ ΠΏΠΎΠ»Π΅Π·Π½Ρ Π΄Π»Ρ ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΡΡΠΎΠ² ΠΈ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ, ΠΈΠ½ΡΠ΅ΡΠ΅ΡΡΡΡΠΈΡ
ΡΡ Π²ΠΎΠΏΡΠΎΡΠ°ΠΌΠΈ ΡΠ°Π΄ΠΈΠΎΡΠΎΠΌΠΎΠ³ΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ ΠΈΠΎΠ½ΠΎΡΡΠ΅ΡΡ ΠΈ ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΎΠΏΠ°ΡΠ½ΡΡ
ΠΏΡΠΈΡΠΎΠ΄Π½ΡΡ
ΡΠ²Π»Π΅Π½ΠΈΠΉ
Basic GNSS theory
ΠΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΠ΅ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ: Adobe Acrobat.Π’ΡΡΠ΄Ρ ΡΠΎΡΡΡΠ΄Π½ΠΈΠΊΠΎΠ² Π‘ΠΠΠ£ (ΡΠ»Π΅ΠΊΡΡΠΎΠ½. Π²Π΅ΡΡΠΈΡ).Abstracts:Β The purpose of the course is to give the students initial understanding of basic theories and methods used in GNSS, to give the students basic comprehension of the system and how it functions. The student should understand the fundamental operation concepts of GNSS
System Analysis of Space Missions [ΠΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΡΠΉ ΡΠ΅ΡΡΡΡ] : electronic lecture notes
ΠΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΠ΅ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ: Adobe Acrobat.Π’ΡΡΠ΄Ρ ΡΠΎΡΡΡΠ΄Π½ΠΈΠΊΠΎΠ² Π‘ΠΠΠ£(ΡΠ»Π΅ΠΊΡΡΠΎΠ½. Π²Π΅ΡΡΠΈΡ)
System Analysis of Space Missions [ΠΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΡΠΉ ΡΠ΅ΡΡΡΡ] : electronic laboratory course
The present laboratory practice on discipline Β«System Analysis of Space MissionsΒ» urged to give practical skills in carrying out of the complex analysis of almost any typical missions in a circumterraneous space. Problems in a practical work represent a cΠ’ΡΡΠ΄Ρ ΡΠΎΡΡΡΠ΄Π½ΠΈΠΊΠΎΠ² Π‘ΠΠΠ£(ΡΠ»Π΅ΠΊΡΡΠΎΠ½. Π²Π΅ΡΡΠΈΡ).ΠΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΠ΅ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ: Adobe Acrobat