Major US Airline Year 2000 Operating Costs Cost per ASM=9. Aircraft Fuel 13% Engine Maint. Material &OSR 2% Engine Ownership Salaries

• Lifecycle cost • Operating cost • Development cost • Manufacturing cost • Revenue • Valuation techniques

Commander Paul A. Sohl, USN CDR Sohl was born in Waterloo, Iowa and graduated from Rock Island High School, Rock Island, Illinois in May 1981. After graduating from the Massachusetts Institute of Technology in June 1985 with a Bachelor of Science degree in Aeronautical

PAUL ALFRED LAGACE Margaret macvicar Faculty Fellow Professor of Aeronautics and Astronautics and Engineering Systems Co-Director, Leaders For Manufacturing and System Design and Management Programs

Gordon mckinzie Manager, New Aircraft Development United airlines I joined United Airlines in 1967 and am presently Manager of New Aircraft Development, a post I have held since 1987. Assignments at United have included

The signal suffers an attenuation loss l Received power PR= PT/L Received snr=E,/No, Eb=Pr/Rb Antennas are used to compensate for attenuation loss Capture as much of the signal as possible

Source coding Source Encode Channel Alphabet alphabet Source symbols Letters of alphabet, ASClI symbols, English

Sampling Sampling provides a discrete-time representation of a continuous waveform Sample points are real-valued numbers In order to transmit over a digital system we must first convert into discrete valued numbers

Sampling Given a continuous time waveform, can we represent it using discrete samples? How often should we sample? Can we reproduce the original waveform?

第一节 系统工程方法 第二节 评价原理与方法 第三节 博弈理论与方法