GPS - đường dẫn quán tính và hội nhập P1

... position [63, 96, 98]. 1.2.2 Local-Area Differential GPS Local-area differential GPS (LAGPS) is a form of DGPS in which the user's GPS receiver also receives real-time pseudorange and, possibly, ... DIFFERENTIAL AND AUGMENTED GPS 1.2.1 Differential GPS Differential GPS (DGPS) is a technique for reducing the error in GPS- derived positions by using additional data from a refe...

Ngày tải lên: 28/10/2013, 22:15

... Andrews Copyright # 2001 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 There are other ground-based radiowave signal systems suitable for use as part of an ... by LORAN-C signals produced by three or more long- range navigation (LORAN) signal sources positioned at ®xed, known locations for outside-the-building location determination. A LOR...

Ngày tải lên: 28/10/2013, 22:15

... & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 3.5.4 Pseudorange Measurements Using Carrier Phase Although pseudorange measurements using the C=A-code are the most commonly employed, ... is called the Y-code. The Y-code is formed by multiplying the P-code by an encrypting code called the W-code. The W-code is a random-looking sequence of chips that o...

Ngày tải lên: 07/11/2013, 19:15

... # 2001John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 can be calculated in military receivers by comparing the P-code pseudorange measurements obtained on the ... modulation of the P-code by an encrypting code known as the W-code. The W-code has a slower chipping rate than the P-code; there are precisely 20 P-code chips per W-code chip. Nor...

Ngày tải lên: 07/11/2013, 19:15

... Weill, Angus P. Andrews Copyright # 2001 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 pseudorange error can be greater than either an L 1 or L 2 carrier wavelength, ... waveform t t τ Cross-correlation with received C/A-code Cross-correlation with received C/A-code Multipath-mitigating reference code waveform τ 0 T c T c – T c – 0 T c T...

Ngày tải lên: 07/11/2013, 19:15

... Weill, Angus P. Andrews Copyright # 2001 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 where v is the vector velocity of the body in the rotating coordinate frame, ... the steam catapult. 4. GPS- aided alignment, using position matching with GPS to estimate the alignment variables. It is an integral part of integrated GPS= INS impleme...

Ngày tải lên: 15/12/2013, 03:15

... locally level earth-®xed coordinates, even though the sensors measure components in vehicle-body-®xed coordinates. In similar fashion, the Kalman ®lter state variables for GPS- only navigation must ... 7.59 is the discrete-time dynamic system model corresponding to the continuous-time dynamic system model of Eq. 7.51. The matrix F kÀ1 (de®ned in Eq. 7.60)in the discrete-time model (Eq. 7.59)...

Ngày tải lên: 15/12/2013, 03:15

... Weill, Angus P. Andrews Copyright # 2001 John Wiley & Sons, Inc. Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 3. Exponential decay of the autocorrelation functions is a reasonable indication of ... multiply-and-accumulate operations per up- date cycle [10, p. 104, plus decorrelation], and that of the predictor step (temporal update) will be on the order of n2n...

Ngày tải lên: 15/12/2013, 03:15

... DETERMINATION 283 9.2 LADGPS, WADGPS, AND WAAS 9.2.1 Description of Local-Area DGPS (LADGPS) LADGPS is a form of DGPS in which the user's GPS receiver receives real-time pseudorange and, possibly, ... s 2 H T H À1 : 284 DIFFERENTIAL GPS 9 Differential GPS 9.1 INTRODUCTION Differential GPS (DGPS) is a technique for reducing the error in GPS- derived positions by using additiona...

Ngày tải lên: 15/12/2013, 03:15

... pháp và việc tuyển sinh đáp ứng nhu cầu xã hội. Từ năm 2007 đến nay, Bộ GD - ÐT đã cùng các bộ, ngành và các doanh nghiệp tổ chức nhiều hội thảo quốc gia về đào tạo theo nhu cầu xã hội. Mỗi hội ... 1.1 .Tính cấp thiết của đề tài Toàn cầu hoá và hội nhập kinh tế quốc tế đã mở ra một thời kì cho sự phát triển của thế giới. Toàn cầu hoá kinh tế đã dẫn đến quốc tế...

Ngày tải lên: 30/03/2014, 08:20