2026知到答案 Sensor Technology（北京航空航天大学） 最新智慧树满分章节测试答案

第一章 单元测试

1、单选题：
If we compare a computer to the human brain, then sensors can be likened to（ ）.
选项：
A:Sense Organs
B:Skin
C:Eyes
D:Hands
答案: 【Sense Organs】

2、判断题：
The greater the temperature difference between the two thermometers on a wet-bulb psychrometer, the higher the relative humidity. （ ）
选项：
A:对
B:错
答案: 【对】

3、多选题：
When measuring relative humidity with a wet-bulb psychrometer, which of the following factors will affect the measured value? （ ）
选项：
A:Ambient Temperature
B:Thermometer Range
C:Wind speed at the wet bulb
D:Atmospheric pressure
答案: 【Ambient Temperature;
Wind speed at the wet bulb;
Atmospheric pressure】

4、单选题：
A sensor is generally composed of three parts: a sensitive element, （ ） and a conversion circuit.
选项：
A:Filter Circuit
B:Acquisition Circuit
C:Conversion Element
D:Amplification circuit
答案: 【Conversion Element】

5、判断题：
The function of a sensor is to sense measured information and convert it into another easily measurable physical quantity. Any device with such functions belongs to a sensor, and a corresponding relationship between input and output is not a necessary condition. （ ）
选项：
A:错
B:对
答案: 【错】

第二章 单元测试

1、单选题：
Which of the following belongs to the dynamic characteristic parameters of sensors? （ ）
选项：
A:Sensitivity
B:Natural frequency
C:Linearity
D:Repeatability
答案: 【Natural frequency】

2、多选题：
Which of the following belong to the static characteristic parameters of sensors? （ ）
选项：
A:Stability
B:Hysteresis
C:Linearity
D:Over shoot
答案: 【Stability;
Hysteresis;
Linearity】

3、单选题：
The smaller the input variation that a sensor can detect, （ ） of the sensor.
选项：
A:The better the linearity
B:The higher the resolution
C:The smaller the hysteresis
D:The better the repeatability
答案: 【The higher the resolution】

4、单选题：
Nonlinearity refers to the degree to which the calibration curve （ ）.
选项：
A:Close to the true value
B:Non-coincidence of forward and reverse strokes
C:Repeatability
D:Deviation from the fitted straight line
答案: 【Deviation from the fitted straight line】

5、单选题：
The dynamic characteristic parameter of a first-order system is the （ ）.
选项：
A:Time Constant
B:Linearity
C:Natural Frequency
D:Damping Ratio
答案: 【Time Constant】

6、单选题：
（ ） is commonly used to test the steady-state response characteristics of sensors.
选项：
A:Sawtooth wave signal
B:Triangular Wave Signal
C:Step Signal
D:Sinusoidal signal
答案: 【Sinusoidal signal】