spacecraft antenna造句

例句与造句

1. One crewman cleared the spacecraft antenna and another crewman attached a line to hoist " Friendship 7 " aboard.
2. A recovery helicopter arrived after a few minutes, and after a brief problem with the spacecraft antenna, the capsule was lifted partly out of the water in order to allow Shepard to leave by the main hatch.
3. For example, does the spacecraft antenna acquire the tracking and data relay satellite ( TDRS ) only when the payload data are to be transmitted, or does it track TDRS continually to allow for the reception of emergency commands or transmission of emergency data?
4. High rate was used unless low rate was forced by poor link conditions, e . g ., the use of a small earth receiving antenna, an omni spacecraft antenna, or the need to conserve spacecraft power by turning off its RF power amplifier . ( The S-band transponder on the S-IVB had no voice subcarrier .)
5. Since the spacecraft was spin-stabilized, the spin resulted in a bias in the Doppler signal due to the spacecraft antenna pattern spinning with respect to the Earth station of 0.417 Hz ( 27.3 mm / s ) for the omnidirectional antenna, and  " 0.0172 Hz (  " 1.12 mm / s ) for the medium gain antenna.
6. It's difficult to find spacecraft antenna in a sentence. 用spacecraft antenna造句挺难的