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【单选题】
The incorrect statement about the signal flow graph is（）
A.
The branches of signal flow graph are unidirectional.
B.
The signal flow graph of a system is unique.
C.
A signal flow graph and its transposition have the same system function.
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参考答案：
举一反三
【判断题】It is beneficial to ask students to justify their answers in “true or false statements” activity. ()
A.
正确
B.
错误
【单选题】The signal flow graph of a system is shown as figure. The system function of this system is（）
A.
B.
C.
【单选题】A higher order system is implemented by the cascading or paralleling of several sub-systems. If we want the poles of the original system is same as those of the sub-systems, then we can adopt the（ ）
A.
cascading only.
B.
paralleling only.
C.
cascading or paralleling.
【单选题】A higher order system is implemented by the cascading or paralleling of several sub-systems. If we want the zeros of the original system is same as those of the sub-systems, then we can adopt the（ ）
A.
cascading only.
B.
paralleling only.
C.
cascading or paralleling.
【判断题】Drawing mind-map based on the text is one form of information transferring activity. ()
A.
正确
B.
错误
【单选题】If a second order LTI continuous system has step response as shown as figure, then the poles of its system function are（ ）
A.
two negative real poles.
B.
a pair of conjugate poles in the right half of the s complex plane.
C.
a pair of conjugate poles in the left half of the s complex plane.
相关题目：
【判断题】It is beneficial to ask students to justify their answers in “true or false statements” activity. ()
A.
正确
B.
错误
【单选题】The signal flow graph of a system is shown as figure. The system function of this system is（）
A.
B.
C.
【单选题】A higher order system is implemented by the cascading or paralleling of several sub-systems. If we want the poles of the original system is same as those of the sub-systems, then we can adopt the（ ）
A.
cascading only.
B.
paralleling only.
C.
cascading or paralleling.
【单选题】A higher order system is implemented by the cascading or paralleling of several sub-systems. If we want the zeros of the original system is same as those of the sub-systems, then we can adopt the（ ）
A.
cascading only.
B.
paralleling only.
C.
cascading or paralleling.
【判断题】Drawing mind-map based on the text is one form of information transferring activity. ()
A.
正确
B.
错误
【单选题】If a second order LTI continuous system has step response as shown as figure, then the poles of its system function are（ ）
A.
two negative real poles.
B.
a pair of conjugate poles in the right half of the s complex plane.
C.
a pair of conjugate poles in the left half of the s complex plane.
参考解析：
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