1. Multiple choice questions (10 questions in total, 50 points)
1. (Single-choice question) Which is not a key component of intelligent networked vehicles (A: Short-range ultrasonic radar; ).
- A. Short-range ultrasonic radar
- B. Medium-range millimeter-wave radar
- C. LiDAR
- D. Short-range millimeter-wave radar
2. (Single-choice question) Which of the statements about smart cars and high-precision autonomous driving maps is correct? C
- A. Smart cars must use high-precision autonomous driving maps
- B. L3 and above smart cars must use high-precision autonomous driving maps
- C. L4 and above smart cars must use high-precision autonomous driving maps
- D. Only L5 smart cars need to use high-precision autonomous driving maps
3. (Single-choice question) The most common sensor fusion for intelligent networked vehicles is (C).
- A. Fusion of millimeter-wave radar and lidar
- B. Fusion of millimeter-wave radar and ultrasonic sensors
- C. Fusion of millimeter-wave radar and vision sensors
- D. Fusion of lidar and vision sensors
4. (Single-choice question) In feature-based traffic sign recognition, it is generally not used as a feature (C: Texture feature; ).
- A. Color characteristics
- B. Shape features
- C. Texture features
- D. Spatial relationship features
5. (Single-choice question) The commonly used sensors for pedestrian recognition are (D: visual sensor; ).
- A. Ultrasonic sensor
- B. Millimeter wave radar
- C. LiDAR
- D. Vision sensor
6. (Single-choice question) The sensor used in the lane keeping assist system of intelligent networked vehicles can be (D).
- A. Ultrasonic sensor
- B. Millimeter wave radar
- C. LiDAR
- D. Vision sensor
7. (Single-choice question) Which one is not suitable as a sensor for the blind spot monitoring system is (C).
- A. Short-range millimeter-wave radar
- B. Medium-range millimeter-wave radar
- C. Long-range millimeter-wave radar
- D. Vision sensor
8. (Single-choice question) The inertial components of intelligent networked vehicles mainly refer to (B).
- A. Wheel speed sensor
- B. Micromachined Gyroscope
- C. Throttle sensor
- D. Steering wheel angle sensor
9. (Single-choice question) It is (C) that can realize V2X short-distance communication.
- A. Bluetooth
- B. Wi-Fi
- C. LTE-V
- D. 5G
10. (Single-choice question) It is necessary to fuse the sensing data of multiple smart car sensors through the Internet of Vehicles to eliminate blind spots in perception. Such a level of smart car networking should meet: B
- A. At least level L1
- B. At least level L2
- C. At least level L3
- D. At least level L4
2. Fill in the blanks (10 questions in total, 50 points)
11. (Fill in the blank) The environmental perception sensors of intelligent networked vehicles mainly include ultrasonic sensors, __millimeter-wave radar_______, ______lidar________, and vision sensors.
correct answer:
(1) Millimeter wave radar
(2) LiDAR
12. (Fill in the blank) Vision sensors for intelligent connected cars are divided into , , and .
correct answer:
(1) Monocular camera
(2) Double-sided camera
(3) Trinocular camera
(4) Surround view camera
13. (Fill in the blank) For multi-beam laser radar, it has the functions of high-precision electronic map and positioning, , , and obstacle trajectory prediction.
correct answer:
(1) Obstacle detection and recognition
(2) Drivable area detection
14. (Fill in the blank)
According to the different sensors used, road recognition is divided into based on road recognition and based on road recognition.
correct answer:
(1) Vision sensor
(2) Radar
15. (Fill in the blank) The task of road recognition is to extract the geometric structure of the lane, such as the width of the lane, the curvature of the lane line, etc.; determine the vehicle in the lane; extract ______________.
correct answer:
(1) Position direction
(2) The area where the vehicle can be driven; the area where the vehicle can be driven; the area where the vehicle can be driven
16. (Fill in the blank) V2X communication of intelligent connected vehicles refers to vehicle-to-vehicle communication (V2V), vehicle-to-infrastructure communication ( ), vehicle-to-pedestrian communication (V2P), and vehicle-to-cloud communication ( ).
correct answer:
(1) V2I
(2) V2N
17. (Fill in the blank) The DSRC communication system is mainly composed of , , and the DSRC protocol.
correct answer:
(1) On-board unit; OBU
(2) Road side unit; RSU
18. (Fill in the blank) The main characteristics of V2V communication include that the link between vehicles is intermittent and random; the communication between vehicles can be carried out, which can ensure the safe and correct arrival of messages; the multi-hop transmission between vehicles depends on At.
correct answer:
(1) Multi-hop transmission
(2) the choice of routing; route selection
19. (Fill in the blank) 5G mobile communication has the characteristics of high speed, , low power consumption, low delay, Internet of Everything, and so on.
correct answer:
(1) ubiquitous network; ubiquitous
(2) Refactoring security
20. (Fill in the blank) Millimeter-wave radar can meet the detection requirements of different ranges, among which Hz millimeter-wave radar mainly realizes short-range detection, and Hz millimeter-wave radar mainly realizes medium-range and long-range detection.
correct answer:
(1) 24GHz
(2) 77GHz