Sentence examples for spacecraft navigation from inspiring English sources

They provide range and topographic measurements critical in spacecraft navigation.

The global positioning system (GPS), which is suitable for aircraft and spacecraft navigation, was initiated by the U.S. Department of Defense in 1973.

In the last decades there have been an increasing interest in improving the accuracy of spacecraft navigation and trajectory data.

Such measurements allow spacecraft navigation with reduced errors and reduced risk, but require at least some long (thousands of km) baselines.

Also among the brightest stars are Rigel A, a young supergiant in the constellation Orion, and Canopus, a bright beacon in the Southern Hemisphere often used for spacecraft navigation.

In most cases, the inertial navigation system is used for spacecraft navigation.

Its star trackers, used to help the spacecraft's navigation, have been blinded, even when not looking directly at the sun.

Thus, the proposed switch-mode filter is very suitable for spacecraft autonomous navigation system and other strong nonlinear state estimation fields.

Analysis has proved mission feasibility, identifying key challenges in both missions for developing cost-effective techniques for: spacecraft propulsion; navigation; autonomous operations; and a reliable safe mode strategy.

By the use of three gyroscopes and accelerometers, a spacecraft's navigation system can make precise measurements of any change in velocity, either positive or negative, along any or all of the three principal axes.

They include warming the spacecraft's navigation instruments, and finding Earth on the sky so that the probe's main communications antenna can be pointed in the right direction for the call home.