Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 5 pps

... second row shows a navigation data bit that has a data rate of 50 Hz; thus, a data bit is 20 ms long and contains 20 C / A codes. Thirty data bits make a word that is 600 ms long as shown in the ... a 50 Hz rate. 5. 5 C / A CODE AND DATA FORMAT (1,2 ,5) The C / A code is a bi-phase modulated signal with a chip rate of 1.023 MHz. Therefore, the null-to-null bandwidt...

Ngày tải lên: 14/08/2014, 10:22

... j 2 z (2 .59 ) Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 8 15 4-3 Electronic ISBN 0-4 7 1-2 0 05 4-9 7 CHAPTER ... Jr., Global Positioning System: Theory and Applications, vols. 1 and 2, American Institute of Aeronautics and Astronautics...

Ngày tải lên: 14/08/2014, 10:22

... the degradation of the signal-to-noise ratio. Spilker (11) indicated that a 1-bit ADC degrades the signal-to-noise ratio by 1.96 dB and a 2-bit ADC degrades the signal-to-noise by 0 .55 dB. Many commercial ... preferred approach, in actual laboratory experiments Figure 6.5b is used because of the availability of amplifiers. In Figure 6.5b, the M / A COM ANP-C-11 4 -5 antenna with...

Ngày tải lên: 14/08/2014, 10:22

... 0 x(n)e j2pnk / N (8.40) Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 8 15 4-3 Electronic ISBN 0-4 7 1-2 0 05 4-9 1 65 CHAPTER ... data points are placed in cascade to generate a total of 51 2 data points. There is no discontinuity from data...

Ngày tải lên: 14/08/2014, 10:22

... History of GPS Development 1 1 .3 A Basic GPS Receiver 2 1 .4 Approaches of Presentation 3 1 .5 Software Approach 3 1 .6 Potential Advantages of the Software Approach 4 1 .7 Organization of the ... user position. 1 .5 SOFTWARE APPROACH This book uses the concept of software radio to present the subject. The soft- ware radio idea is to use an analog-to-digital conv...

Ngày tải lên: 14/08/2014, 10:22

... maximum Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 8 15 4-3 Electronic ISBN 0-4 7 1-2 0 05 4-9 32 CHAPTER ... efficiency of the antenna and the accuracy of the solid angle of the antenna because the power cannot be cut off sharply at a de...

Ngày tải lên: 14/08/2014, 10:22

... 1996. Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 8 15 4-3 Electronic ISBN 0-4 7 1-2 0 05 4-9 54 CHAPTER ... in Parkinson, B. W., Spilker, J. J. Jr., Global Positioning System: Theory and Appli- cations, vols. 1 and 2, American Institute of...

Ngày tải lên: 14/08/2014, 10:22

... input data do not arrive in a continuous manner. This operation is suitable for a block of data. The input data are sam- pled with a 5 MHz ADC and stored in memory. Only 1 ms of the input data are used ... CODE SIGNALS FIGURE 7.6 Effect of phase transition on the delay and multiplication method. search for 1 ms of data to acquire a satellite. Longer data are needed for acqui...

Ngày tải lên: 14/08/2014, 10:22

... navigation data in subframe 3 into ephermeris data clear angmat navd rymkmat load d: / gps / big data / srvy 8310 ; angmat ang; ptnumat transpt; rymkmat fintime; [st navd] navdat(angmat); ∗ find naviga ... of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 8 15 4-3 Electronic ISB...

Ngày tải lên: 14/08/2014, 10:22

... Count 81 5. 11 Parity Check Algorithm 82 5. 12 Navigation Data from Subframe 1 88 5. 13 Navigation Data from Subframes 2 and 3 90 5. 14 Navigation Data from Subframes 4 and 5 Support Data 92 5. 15 Ionospheric ... formats. Some content that appears in print, however, may not be available in electronic format. Library of Congress Cataloging-in-Publication Data Tsui, James Bao-yen. Fun...

Ngày tải lên: 01/06/2014, 10:14