Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 2 ppsx

... [dx u dy u dz u db u ] T a         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 . . . a n1 a n2 a n3 1         (2. 15) 12 BASIC GPS CONCEPT user clock error cannot be corrected ... as PDOP 1 j j 2 x + j 2 y + j 2 z (2. 59) Fundamentals of Global Positioning System Receivers: A Software Appr...

Ngày tải lên: 14/08/2014, 10:22

... 1 1 .2 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 ... 17 2 .10 Basic Relationships in an Ellipse 18 2 .11 Calculation of Altitude 20 2 . 12 Calculation of Geodetic Latitude 21 2 .13 Calculation of a Point on...

Ngày tải lên: 14/08/2014, 10:22

... the area PSV can be obtained from area PQV as area PSV b s a s area PQV b s a s (area OQV area OQP) b s a s [ 1 2 a 2 s E 1 2 a 2 s sin E cos E ] a s b s 2 (E sin E cos E ) ( 3 .23 ) 3. 12 TRUE AND ... maximum Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  20 00 John Wiley & Sons, Inc. Print...

Ngày tải lên: 14/08/2014, 10:22

... 1996. Fundamentals of Global Positioning System Receivers: A Software Approach James Bao-Yen Tsui Copyright  20 00 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 ... coordinate to another one, but the transform can be achieved in a step-by-step manner. For example, if the transform is to rotate angle...

Ngày tải lên: 14/08/2014, 10:22

... parameters: This subframe also contains the four additional satellite clock correction parameters: t oc (21 9 23 4), a f 0 (27 1 29 2), a f 1 (24 9 26 4), and a f 2 (24 1 24 8). They are used in Equation ( 4.37). 7. ... 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-phas...

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 ... Receivers: A Software Approach James Bao-Yen Tsui Copyright  20 00 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 815 4-3 Electronic ISBN 0-4 7 1 -2 005 4-9...

Ngày tải lên: 14/08/2014, 10:22

... delay and multiplication method. search for 1 ms of data to acquire a satellite. Longer data are needed for acquir- ing a certain satellite. One interesting point is that a navigation data change ... operations and each operation consists of a 5,000-point multiplication and a 5,000-point FFT. The outputs are 5,000 frames of data and each con- tains 2, 500 frequency components...

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  20 00 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 ... data points are placed in cascade to generate a total of 5 12 data points. There is no discontinuity from data poi...

Ngày tải lên: 14/08/2014, 10:22

... data clear angmat navd rymkmat load d: / gps / big data / srvy 821 0 ; angmat ang; ptnumat transpt; rymkmat fintime; [st navd] navdat(angmat); ∗ find naviga data ( 20 ms) & first angle 9.13 ADJUSTMENT ... data are multiplied by p to change to radians. 23 5 Index A Acquisition, 134–164, 21 5 21 7 Actual anomaly, 47–50, 57–60, 68–70, 21 1 21 2 Aliasing, 117–118, 123 – 126 Almanac data...

Ngày tải lên: 14/08/2014, 10:22

... 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 system receivers ... 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 ephemer...

Ngày tải lên: 01/06/2014, 10:14