• Home
  • Radio
  • Autonomous Software-Defined Radio Receivers for Deep Space by J. Hamkins, et al.,

Autonomous Software-Defined Radio Receivers for Deep Space by J. Hamkins, et al.,

By J. Hamkins, et al.,

Show description

Read Online or Download Autonomous Software-Defined Radio Receivers for Deep Space Applns PDF

Best radio books

RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and Identification 2nd Edition

RFID (Radio Frequency id) is utilized in all parts of automated info trap permitting contactless id of items utilizing RF. With purposes starting from safe web money platforms to commercial automation and entry regulate, RFID know-how recommendations are receiving a lot realization within the learn and improvement departments of huge companies.

I Hid It Under the Sheets: Growing Up With Radio (Sports and American Culture)

 Imagine that there has been a time in the US while a baby sat subsequent to a radio and easily listened. yet didn’t simply pay attention, used to be enthralled and knew that this time used to be his on my own, that he used to be a part of the vortex of drama unfolding contained in the radio’s innards. . . . I by no means observed a punch thrown, or a pitcher shatter, or a blood-smeared blouse as I listened to the radio.

Wireless Location in CDMA Cellular Radio Systems

With the expanding marketplace penetration of mobile phones, the variety of E-911 calls positioned via mobile phones has grown cons- erably. This development in E-911 calls ended in a 1996 FCC ruling requiring that each one mobile, desktops, and SMR licensees offer situation details for the help of E-911 safeguard prone.

Vox Populi: The O'Shaughnessy Files

Vox Populi is the long-awaited fourth choice of interviews, editorials, essays, observations and prepared perception from mythical manhattan broadcaster William O'Shaughnessy. With this inspiring new anthology, invoice is again in a massive approach, supplying compelling discussion and opinion on well timed concerns and present occasions in politics, media, the humanities and pop culture.

Additional resources for Autonomous Software-Defined Radio Receivers for Deep Space Applns

Example text

2-7. Flow diagram of the Viterbi code node synchronizer. 1 XA = (NS/Nφ)*Sφmin Note: NS = k*Nφ, K = 1,2,4,8 UL = 0 Set Phase (one with Sφmin) Tracking Loop 0 ≤ α1 ≤ 1024 Sφmin = min(S0,S1) ≤ α1 1 Sφmax = max(S0,S1) 1 0 ≤ α0 ≤ 255 Acquisition Loop ∆φ = |S1–S0| ≤ α0 Integrate Φ1 (S1, Nφ) Integrate Φ0 (S0, Nφ) Set Tφ = 255 Reset 36 Chapter 2 The Electra Radio 37 The tracking-error-count threshold TS is computed based on both the averaged error count XA and the symbol SNR estimate. Initially, the threshold is set equal to TR ≡ XA +∆S (∆S is a pre-determined constant between 0 and 255).

Electra modulator block diagram. Swept Frequency (Aid Acquisition) F0 System Clock NRZ/Man Pulse Shape NRZ/Man Pulse Shape cos δ Digital Modulator M To DAC F0 Fixed Frequency Offset Filter Bank Filter Bank 40 Chapter 2 The Electra Radio 41 the bipolar input levels to the complex multiplier depicted in Fig. 5 · Tpow (2 11) where Tpow is a programmable input parameter controlling the modulator output power. 5 · Tpow · sin β (2 12) (2 13) where β is the programmable modulation index parameter (nominally set to π/3 radians).

55–67, January 1982. [12] S. W. Asmar, “Characteristic Trends of Ultrastable Oscillators for Radio Science Experiments,” The Telecommunications and Data Acquisition Progress Report 42-129, January–March 1997, Jet Propulsion Laboratory, Pasadena, California, pp. 1–5, May 15, 1997. pdf [13] S. Hinedi, “A Functional Description of the Advanced Receiver,” The Telecommunications and Data Acquisition Progress Report 42-100, October– December 1989, Jet Propulsion Laboratory, Pasadena, California, pp. 131– 149, February 15, 1990.

Download PDF sample

Rated 4.57 of 5 – based on 20 votes