SATELLITE COMMUNICATION BY GAGLIARDI PDF
This second edition of Satellite Communications is a revised, updated, and DRM-free; Included format: PDF; ebooks can be used on all reading devices. Satellite communication is one of the most impressive spin-offs from space programs, and has . The inspiration for writing Satellite Communication Engineering comes partly from my students who Wiley. 2. Gagliardi, R.M. ( ). Satellite. SATELLITE. COMMUNICATIONS. Robert M. Gagliardi. CBS. CBS PUBLISHERS & DISTRIBUTORS PVT. LTD. New Delhi • Bangalore • Pune • Cochin • Chennai.
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Buy Satellite Communication by Robert M Gagliardi PDF Online. ISBN from CBS Publications. Download Free Sample and Get Upto 73% OFF. Satellite Communications [Robert M. Gagliardi] on pixia-club.info *FREE* shipping on qualifying offers. This second edition of Satellite Communications is a. Robert M. Gagliardi. Abstract. This second edition of Satellite Communications is a revised, updated, and improved version of the first edition (Van Nostrand.
We derive simple mathematical models of the network bit-error rate versus the system parameters and the transmitter and receiver vibration statistics.
An example of a practical optical heterodyne free-space satellite optical communication network is presented. From this research it is clear that even low-amplitude vibration of the satellite-pointing systems dramatically decreases network performance. Introduction lite links is the complexity of the pointing system, Global communication from any place on Earth is an which derives from the necessity to point a narrow or attractive goal.
By this method the information ters in the presence of relative motion and vibration. The last satellite then trans- data and signals from the electro-optic tracking sys- mits the information to the destination. Optical in- tem. Such vibrations decrease heterodyne mixing rate, and acceptability of denser satellite orbit popu- efficiency and the received optical power. These two lation. In optical sat- ellite networks the problem is more complicated because all the satellites continually vibrate ran- The authors are with the Department of Electrical and Com- domly.
Box The concept of rf intersatellite link communication , Beer-Sheva , Israel. The email address for N.
Ko- peika is kopeika bguee. Network of free-space optical communication satellites. Analysis of the performance of analog and digital direct-detection satellite optical commu- nication networks is described in Refs. Re- sults of on-board measurements of satellite vibration spectra are specified in Ref. Skormin et al. Held and Barry,11 using measured platform disturbance data, analyze the precision pointing and tracking accuracy 2.
Satellite Heterodyne Detection Model that is possible between satellites. Barry and In this section we define the basic elements of the Mecherle12 found relationships between the rms heterodyne transmitter and receiver in satellite op- standard deviation of the pointing-error distribution tical communication networks. Figure 2 shows sim- and the burst error of the communication system.
The transmitter model includes a laser are to tolerate vibrations are suggested. The book transmitter, a telescope, and a tracking system.
The messages arrive at the input of the Here we derive simple mathematical models of the transmitter. The transmitter converts electrical network BER as a function of the network parame- signals into optical signals by using the laser.
The ters and the transmitter and receiver vibration sta- transmitter telescope collimates the laser radiation tistics. The uniqueness of our model is its capability in the receiver satellite direction, using data from the to analyze most of the heterodyne detection scheme tracking system. The tracking system directs the in one simple expression. An example of a practical receiver telescope in the direction of the transmitter optical heterodyne free-space satellite optical com- satellite.
Vibrations of receiver telescope direction munication network is presented. From this re- in the receiver plane decrease the received optical search it is clear that even low-amplitude vibrations power.
The receiver telescope focuses the received of the satellite-pointing systems dramatically de- radiation onto the detector.
The radiation propa- crease network performance. Our models can be the gates through the beam splitter to the detector. The basis for satellite optical communication, tracking, local-oscillator radiation is reflected by the beam and pointing-system design of appropriate complex- splitter to the detector.
Vibrations of the receiver The probability-density function of the transmitter telescope direction relative to the direction of the re- radial-pointing-error angle is S D ceived radiation decrease the heterodyne mixing ef- ficiency, which is extremely sensitive to alignment of uT uT2 the two beams.
The data are recov- ered from the electronic signal by a decision circuit.
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The probability-density function of the receiver radial-pointing-error angle is S D 3. Range Equation Model position of the satellite according to the orbit equa- In this section we derive a model that relates the tion! The distance between the transmitter and lite. The instan- tween satellites includes the use of a beacon signal taneous received power as a function of pointing- and of a tracking system with a quadrant detector on direction-error angles uR and uT and the difference each satellite of the communication channel.
The angle between the transmitter and the local- tracking system works in direct-detection mode. In oscillator linear polarization up is this section we present the statistics models of the receiver and transmitter pointing systems. The first half of the book again covers the basics of satellite links, but has been updated to include additional areas such as Global Positioning and deep space satellites, dual polarization, multiple beaming, advanced satellite electronics, frequency synthesizers, and digital frequency generators.
All of these latter topics figure to be important aspects of satellite systems and space platforms of the twenty-first century. As in the first edition, the objective of the new edition is to present a unified approach to satellite communications, helping the reader to become familiar with the terminology, models, analysis procedures, and evolving design directions for modem and future satellites.
The presentation stresses overall system analysis and block diagram design, as opposed to complicated mathematical or physics descriptions.
Satellite Communications by Gagliardi Robert M
Backup mathematics is relegated to the appendices where a reader can digest the detail at his own pace. The discussion begins with the simplest satellite systems and builds to the more complex payloads presently being used. Read more Read less. Product details Paperback: Springer; Softcover reprint of the original 1st ed. English ISBN Tell the Publisher! I'd like to read this book on Kindle Don't have a Kindle?
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Top Reviews Most recent Top Reviews. There was a problem filtering reviews right now. Please try again later. Gagliardi was a professor of mine This book and his comm engineering book both are written in an excellent "middle of the road" flavor that gives them usefulness to both academics and practicing engineers.
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First published: Gagliardi - Google Books New! He addresses many practical situations without excrescent and unnecessary detail.
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