已知单位反馈系统I, II, II均为最小相位系统,其开环对数幅频特性的渐近线分别在图5-7中给出,试
已知单位反馈系统I, II, II均为最小相位系统,其开环对数幅频特性的渐近线分别在图5-7中给出,
试完成:
(1)求出各系统分别对单位阶跃输入和单位斜坡输入时的稳态误差;
(2)分析比较系统II和系统对于阶跃输入的超调量。
已知单位反馈系统I, II, II均为最小相位系统,其开环对数幅频特性的渐近线分别在图5-7中给出,
试完成:
(1)求出各系统分别对单位阶跃输入和单位斜坡输入时的稳态误差;
(2)分析比较系统II和系统对于阶跃输入的超调量。
第1题
在等差数列{an)中,已知a3=l2,S12>;0,S13<;0.
(I)求公差d的取值范围;
(II)指出S1,S2,…,Sn中哪个值最大,并说明理由.
第2题
(I)求复数域上线性空间V的线性变换的特征值与特征向量,已知在一组基下的矩阵为:
(II)在(I)中哪些变换的矩阵可以在适当的基下化成对角形?在可以化成对角形的情况,写出相应的基变换的过渡矩阵T,并验算T-1AT。
第3题
A.只有I
B.只有III
C.只有II和III
D.I、II和III都对
第4题
A.只有I和III
B.只有I
C.只有III
D.只有I和II
第5题
A.只有I
B.只有III
C.只有I和II
D.I,II和III都对
第6题
(ii) Comment on the figures in the statement prepared in (a)(i) above. (4 marks)
第7题
(ii) State when the inheritance tax (IHT) calculated in (i) would be payable and by whom. (2 marks)
第8题
2 (a) Define the following terms:
(i) Forensic Accounting;
(ii) Forensic Investigation;
(iii) Forensic Auditing. (6 marks)
第9题
(ii) evaluates the relative performance of the four depots as indicated by the analysis in the summary table
prepared in (i); (5 marks)
第10题
(i) A transaction processing system collects and records the transactions of an organisation
(ii) An executive information system is a way of integrating the data from all operations within the organisation into a single system
Which of the above statements is/are true?
A.(i) only
B.(ii) only
C.Both (i) and (ii)
D.Neither (i) nor (ii)
第11题
(ii) Suggest THREE other performance measures (not applied in (i)) which might be used to assess the
customer perspective of the balanced scorecard of GER. (3 marks)