Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 6 pps

... 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...

Ngày tải lên: 14/08/2014, 10:22

... Jr., Global Positioning System: Theory and Applications, vols. 1 and 2, American Institute of Aeronautics and Astronautics, 370 L’Enfant Promenade, SW, Washington, DC, 19 96. 3. Kay, S. M., Fundamentals ... expressed in distance. The position dilution of precision is defined as PDOP 1 j j 2 x + j 2 y + j 2 z (2.59) Fundamentals of Global Positioning System Receivers: A...

Ngày tải lên: 14/08/2014, 10:22

... health indication of the transmitting satellite. The MSB (bit 77) indicates a summary of the health of the navigation data, where bit 77 equals: 0 All navigation data are OK. 1 Some or all navigation ... Global Positioning System: Theory and Applications, vols. 1 and 2, Ameri- can Institute of Aeronautics and Astronautics, 370 L’Enfant Promenade, SW, Wash- ington, DC, 19 96. 8...

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 1-3 815 4-3 Electronic ISBN 0-4 7 1-2 005 4-9 165 CHAPTER ... to track 20 ms of data without a navigation data phase transition, one must find a phase transition in the data. Th...

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 ... tracking are per- formed by hardware. From the navigation data phase transition the subframes and navigation data can be obtained. Ephemeris data and pseudoranges can be FIGURE...

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 1-3 815 4-3 Electronic ISBN 0-4 7 1-2 005 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 desire...

Ngày tải lên: 14/08/2014, 10:22

... 19 96. Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 815 4-3 Electronic ISBN 0-4 7 1-2 005 4-9 54 CHAPTER ... direction shifts westward about 50 ( 360 × 60 × 60 / 260 00) arc-seconds per year and this is a very small value. Therefore, the verna...

Ngày tải lên: 14/08/2014, 10:22

... resolution. 148 ACQUISITION OF GPS C / A 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 ... CONVOLUTION AND CIRCULAR CORRELATION (1) This section provides the basic mathematics to understand a simpler way to per- form correlation. If an input signal passes through...

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 ... data bit. The signs of these navigation data are arbitrarily chosen. The navigation data are designated as + 1 and 1. The parity check process can put the navigation data in the correct pol...

Ngày tải lên: 14/08/2014, 10:22

... 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. Fundamentals of global positioning ... From the navigation data phase transition the subframes and navigation data can be obtained. Ephemeris data and pseudoranges can be obtained from the navigation data. The epheme...

Ngày tải lên: 01/06/2014, 10:14