Examples of Spacecraft bus in a sentence
Spacecraft bus (distinct from the spacecraft payload), provides the support in- frastructure of the spacecraft (e.g., command and data handling, communications and an- tenna(s), electrical power, propulsion, ther- mal control, attitude and orbit control, guid- ance, navigation and control, structure and truss, life support (for crewed mission)) and location (e.g., attachment, interface) for the spacecraft payload.
Spacecraft bus (distinct from the spacecraft payload), provides the support infrastructure of the spacecraft (e.g., command and data handling, communications and antenna(s), electrical power, propulsion, thermal control, attitude and orbit control, guidance, navigation and control, structure and truss, life support (for crewed mission)) and location (e.g., attachment, interface) for the spacecraft payload.
Spacecraft bus testing is often conducted at the observatory level, in which case the Spacecraft PER is performed inconjunction with the Mission PER.
Left – Spacecraft bus with solar panels deployed but mast in stowed configuration.
The CTA is also thermally isolated from the solar panel and Spacecraft bus by means of low emissivity radiation shields.
The Spacecraft bus structure is a modular design with nine bays arranged in an octagon.
Spacecraft bus cost performance history.Weight (kg,Constant Cost Duration FY97a growthbaCost at project completion (launch +30 days) in constant fiscal year (FY) dollars.bPercent cost growth from initial cost estimate at start of Phase C/D.cCost adjusted for 3.5 years of program schedule slip, e.g., funding shortfall, government- furnished instrument delays, programmatic delays, etc.management.
It provides the electronic interface between the Spacecraft bus and the Instrument sensors.
The CTA is mechanically mounted to, but thermally isolated from, the Spacecraft bus by means of low conductivity gamma- alumina struts.
Ripple and transients will be superimposed as stated in the following paragraphs.NOMINAL VOLTAGE AT BOX INPUTRANGE+32 VDC+24 to +35 VDC Table 17 Steady State Bus Voltage Characteristics 5.2.1.2 Ripple VALUETable 18 Spacecraft Bus Ripple Characteristics Ripple on the Spacecraft bus shall be less than 1.0 Volts peak-to-peak over the frequency range of 1 Hz to 10 MHz, and less than 0.5V peak-to-peak for frequencies over 10 MHz, at the power input.