将Z变换方程转换为差分方程的过程称为反Z变换。反Z变换是将信号从复频域转换为时间域的过程。如果我们已知一个系统的传递函数,即Z变换方程: H ( z ) Y ( z ) X ( z ) b n b n − 1 z − 1 ⋯ b 0 z − n 1 a n a n − 1 z − 1 ⋯ a 0 z − n 0…
Towards a Theory of Accountability and Audit
Radha Jagadeesan1’*, Alan Jeffrey2, Corin Pitcher1, and James Riely1’*
1 School of Computing, DePaul University
2 Bell Labs, Alcatel-Lucent
Abstract. Accountability mechanisms, which rely on after-the-fact…