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【单选题】
If the unit response of a causal discrete LTI system is decreasing monotonically, then a correct statement about the system function’s poles of this system is（ ）
A.
Poles are conjugate complex number located in the left half of the z plane.
B.
Poles are negative real number.
C.
Poles are positive real number smaller than 1.
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参考答案：
举一反三
【多选题】Generally speaking, _______ ______belong to productive skills.
A.
listening
B.
speaking
C.
reading
D.
writing
【单选题】There are two second order causal discrete LTI systems with conjugate complex poles. The poles of system 1 are located in the left half of the z plane, while system 2 in the right half. The correct st...
A.
System 1 is causal and stable, while system 2 is causal and unstable.
B.
The frequency of the unit response of system 1 is higher than that of system 2.
C.
The unit responses of both systems are damping oscillation.
【多选题】As the purpose and rationale differ from people to people, there are different writing teaching approaches: _______, _______, and _______. ()
A.
product-oriented approach
B.
process approach
C.
genre-based approach
D.
direct method
【多选题】The Pacific route is composed of
A.
Asia-America route
B.
Asia-Central America route
C.
Asia-South America route
D.
Atlantic route
【多选题】Derya Altınmakas (2019) identified several factors influencing writing learning. Among those are critical thinking skills, well-established arguments, _______, _______, and grammatical competence. ()
A.
size of related vocabulary
B.
mastery of grammar
C.
organization and filtering of ideas
D.
background knowledge about particular concepts, events
【单选题】That “sentences were the building blocks of discourse, and that discourse was created by fitting one building block on to the next” is believed to be a belief behind( ) . ()
A.
product-oriented approach
B.
process approach
C.
genre-based approach
D.
communicate approach
【单选题】The wrong statement about the zeros and poles of a continuous LTI all-pass system is（ ）
A.
All poles are located in the left half of the s plane, while all zeros are located in the right half of the s plane.
B.
All poles are located in the right half of the s plane, while all zeros are located in the left half of the s plane.
C.
Every pole has a corresponding zero which is mirror symmetrical to it about imaginary axis.
【单选题】The magnitude response of a continuous LTI system is shown as figure. The correct assertion about this system is（ ）
A.
-0.2±j2 are the poles of this system.
B.
-0.2±j6 are the poles of this system.
C.
-2±j0.2 and -10±j0.2 are the poles of this system.
相关题目：
【多选题】Generally speaking, _______ ______belong to productive skills.
A.
listening
B.
speaking
C.
reading
D.
writing
【单选题】There are two second order causal discrete LTI systems with conjugate complex poles. The poles of system 1 are located in the left half of the z plane, while system 2 in the right half. The correct st...
A.
System 1 is causal and stable, while system 2 is causal and unstable.
B.
The frequency of the unit response of system 1 is higher than that of system 2.
C.
The unit responses of both systems are damping oscillation.
【多选题】As the purpose and rationale differ from people to people, there are different writing teaching approaches: _______, _______, and _______. ()
A.
product-oriented approach
B.
process approach
C.
genre-based approach
D.
direct method
【多选题】The Pacific route is composed of
A.
Asia-America route
B.
Asia-Central America route
C.
Asia-South America route
D.
Atlantic route
【多选题】Derya Altınmakas (2019) identified several factors influencing writing learning. Among those are critical thinking skills, well-established arguments, _______, _______, and grammatical competence. ()
A.
size of related vocabulary
B.
mastery of grammar
C.
organization and filtering of ideas
D.
background knowledge about particular concepts, events
【单选题】That “sentences were the building blocks of discourse, and that discourse was created by fitting one building block on to the next” is believed to be a belief behind( ) . ()
A.
product-oriented approach
B.
process approach
C.
genre-based approach
D.
communicate approach
【单选题】The wrong statement about the zeros and poles of a continuous LTI all-pass system is（ ）
A.
All poles are located in the left half of the s plane, while all zeros are located in the right half of the s plane.
B.
All poles are located in the right half of the s plane, while all zeros are located in the left half of the s plane.
C.
Every pole has a corresponding zero which is mirror symmetrical to it about imaginary axis.
【单选题】The magnitude response of a continuous LTI system is shown as figure. The correct assertion about this system is（ ）
A.
-0.2±j2 are the poles of this system.
B.
-0.2±j6 are the poles of this system.
C.
-2±j0.2 and -10±j0.2 are the poles of this system.
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