Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 4 potx

... SW, Washington, DC, 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 1-3 815 4- 3 Electronic ... 0 -4 7 1-2 005 4- 9 54 CHAPTER FOUR Earth-Centered, Earth-Fixed Coordinate System 4. 1 INTRODUCTION In the previous chapter the motion of the satell...

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

... data clear angmat navd rymkmat load d: / gps / big data / srvy 8210 ; angmat ang; ptnumat transpt; rymkmat fintime; [st navd] navdat(angmat); ∗ find naviga data ( 20 ms) & first angle 9.13 ADJUSTMENT ... as p ≡ n + q ( 9.15) where q is the argument of perigee (subframe 3, bits 197–2 04 and 211–2 34) obtained from navigation data. Fundamentals of Global Positioning System Recei...

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 ... Generation of C / A Code 78 5 .7 Correlation Properties of C / A Code 83 Fundamentals of Global Positioning System Receivers: A Software Approach Jame...

Ngày tải lên: 14/08/2014, 10:22

... is often referred to as linearization. The above equation can be written in matrix form as    dr 1 dr 2 dr 3 dr 4       a 11 a 12 a 13 1 a 21 a 22 a 23 1 a 31 a 32 a 33 1 a 41 a 42 a 43 1       dx u dy u dz u db u    (2.8) where a i1 x i x u r i b u a i2 y i y u r i b u a i3 z i z u r i b u (2.9) The ... expressed in distance. The position...

Ngày tải lên: 14/08/2014, 10:22

... navigation data rate carried by the P code through phase modulation is at 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 ... 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 S...

Ngày tải lên: 14/08/2014, 10:22

... 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- 9 109 CHAPTER SIX Receiver Hardware Considerations 6.1 ... 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 comme...

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 acquir-...

Ngày tải lên: 14/08/2014, 10:22

... ISBN 0 -4 7 1-3 815 4- 3 Electronic ISBN 0 -4 7 1-2 005 4- 9 165 CHAPTER EIGHT Tracking GPS Signals 8.1 INTRODUCTION One might think that the basic method of tracking a signal is to build a narrow- band filter around ... as X(k) N 1 ∑ n 0 x(n)e j2pnk / N (8 .40 ) Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyr...

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 ... including the high-dynamics user, such as in high-speed aircraft with flexible maneuverability. Fundamentals of Global Positioning System Receivers: A Software Ap...

Ngày tải lên: 01/06/2014, 10:14