Info

Convolution integral 243, 768-769

Convohitfctnal encoding 282

Coordinate systems 24-31

Notation xi

Parallax 30

Table of inertial 28

Transformations 760-766

Coordinated Universal Time (UTC)

798, 801-802

Attached to data 298

Copernicus spacecraft (OAO-3) (See OAO) Cordoba Durchmu$terung (Star Catalog) 143 Core catalog (star catalogs) 147

Cores, magnetic 205

Correction of invalid data 296-297, 307

Correlation, among measurement types 478 Among observations & noise in state estimation 444-445

In estimation theory 452-453

1 Limited attitude accuracy due to

390-391,394

Of a single measurement type at different times 478-482

Of measurement uncertainties

374,378-379, 382-383 Correlation angle 346, 353-357

Expressions for 384, 388-389

Figure summarizing relationships 391

For a single measurement type at different times 478-482

Correlation coefficient 378,429,452

COS (European Astronomy satellite)— Slit horizon sensor/Sun sensor

169, 178-179,721 Cosine detector (Sun sensor) 156-159

Cosines, law of (in spherical triangles)

33-34, 731-732 COSPAR (See Committee on Space

Research) COSPAR International Reference

Atmosphere 110

Covariance 429

Covariance analysis 429-434

In state estimation 452-453,461,465

Cofarlance matrix (See Error covariance matrix) 430-434

COj (See Carbon dioxide; Infrared radiation) Crescent (illumination phase) 331

Crew, disturbance torques due to motion of 578-580

Critical angle prism (Sun sensor) 159-160 Critically damped control system 593

Cross product (See Vector product) CROSSP (subroutine) 691

Crosstalk, in magnetometers 250

CTS (Communications Technology Satellite)— Application of block averaging to attitude solutions 371

Attitude acquisition

661-663, 666,669-670,672 Attitude data simulator 710-711

Attitude determination 10-12

—Accuracy of 397

—During attitude acquisition 422-424 Attitude software structure 698

Attitude support system 700-703

Attitude system of 788-789

Control system description 612-613,622-625 Correlation among measurement types

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