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Spacecraft-to-Earth Communications for Juno and Mars Science Laboratory Critical EventsDeep Space communications typically utilize closed loop receivers and Binary Phase Shift Keying (BPSK) or Quadrature Phase Shift Keying (QPSK). Critical spacecraft events include orbit insertion and entry, descent, and landing.---Low gain antennas--> low signal -to-noise-ratio.---High dynamics such as parachute deployment or spin --> Doppler shift. During critical events, open loop receivers and Multiple Frequency Shift Keying (MFSK) used. Entry, Descent, Landing (EDL) Data Analysis (EDA) system detects tones in real-time.
Document ID
20130000296
Acquisition Source
Jet Propulsion Laboratory
Document Type
Presentation
External Source(s)
Authors
Soriano, Melissa
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Finley, Susan
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Jongeling, Andre
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Fort, David
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Goodhart, Charles
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Rogstad, David
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Navarro, Robert
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 27, 2013
Publication Date
March 3, 2012
Subject Category
Lunar And Planetary Science And Exploration
Meeting Information
Meeting: IEEE Aerospace Conference
Location: Big Sky, MT
Country: United States
Start Date: March 3, 2012
End Date: March 10, 2012
Sponsors: Institute of Electrical and Electronics Engineers
Distribution Limits
Public
Copyright
Other
Keywords
radio science
Mars Science Laboratory ( MSL)
Data Analysis (EDA)
Juno
entry, descent, landing (EDL)

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