MATERIALS AND METHODS (for definitions and additional details, see the technical appendix at end of chap- ter): Sources of data pdf

... technical appendix at end of chap- ter): Sources of data The population-based data used in this monograph for incidence and survival are from the Surveillance, Epidemiology and End Results (SEER) ... explanation of an association between the medication and cancer is that medication Y is used to treat a medical condition and that the condition rather t...

Ngày tải lên: 29/03/2014, 01:20

... assumed. Also, the response rate estimates are meant to illustrate the relative differences between methods. Actual response rates will vary depending on the ways methods are deployed and should ... methods. The scope addresses factors including size of the customer population, strengths and weaknesses of alternate methods, survey response rates and resource constrai...

Ngày tải lên: 18/10/2013, 12:15

... planning. In the following survey we present and discuss the state -of -the- art in each one of the above categories. We compare and analyze different methods based on technical publications and on commercial ... coordinates, its own orientation being dictated solely by the relative translations of its end points, which in turn are affected only by the lateral disp...

Ngày tải lên: 12/12/2013, 21:16

... to the estimated position of the robot at the time that the observation was made. The projection of a segment into the external coordinate system is based on the estimate of the position of the ... Orientation : the square of the difference in orientation of the two candidates must be smaller than the sum of the variances. 2. Alignment: the square...

Ngày tải lên: 16/12/2013, 14:15

... oriented around the core. The magnitude of these surges will vary with the strength of the external magnetic field, and its orientation with respect to the axis of the core and sensing coil of the fluxgate configuration. ... measured to induce a voltage in the sense coil. The greater the differential between the saturated and unsaturated states (i.e., the...

Ngày tải lên: 22/12/2013, 20:16

... change in the output of the gyro- scope as a result of the Earth's rotation. This change in output is at a constant rate; however, this rate depends on the location of the gyroscope on the Earth. ... discusses the state -of -the- art in each of the above six categories. The material is organized in two parts: Part I deals with the sensors used in mobile rob...

Ngày tải lên: 22/12/2013, 20:16

... Trilateration and Triangulation. 1. Trilateration Trilateration is the determination of a vehicle's position based on distance measurements to known beacon sources. In trilateration navigation ... coordinates, its own orientation being dictated solely by the relative translations of its end points, which in turn are affected only by the lateral displacements of the two...

Ngày tải lên: 19/01/2014, 19:20

... simultaneously gating the MCPs of the observation cameras according to their own unique on-off encoding pattern over the duration of the detection phase. This binary gating alternately blocks and passes ... coordinate system, while topological maps represent the world as a network of nodes and arcs. This book presents and discusses the state -of -the- art in each of...

Ngày tải lên: 13/02/2014, 09:20

... coordinate system, while topological maps represent the world as a network of nodes and arcs. This book presents and discusses the state -of -the- art in each of the above six categories. The material ... recorded and the associated distances calculated from elapsed time. Figure 4.6 [Polaroid, 1990] illustrates the operation of the sensor in a timing diagram. In th...

Ngày tải lên: 03/03/2014, 23:09

... for both and c to yield , c c There is one zero row in the left-hand side, and the rank of and that of is , the number of nonzero rows. The residual system is (compatible), and , so the system ... This is the point of the following theorem. Theorem 2.4.4 The number of linearly independent columns of any matrix is equal to the number of its independent r...

Ngày tải lên: 14/03/2014, 14:20