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QUIZ 1: Sensor Characteristics

Due date: 2026-01-17 23:59.
Recommended Resources:
In this quiz, you will practice your understanding of the definitions introduced in the first lectures of the course. You may also refer to the formal definitions in the Chapters 1,2 of the Fraden book recommended above.
Assumptions:

Active vs Passive Systems

Question 1

Which one of the following is DEFINITELY NOT an active system?
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Question 2

Which one of the following is DEFINITELY NOT a passive system?
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Sensor Definition

Question 3

Which one of the following is not a sensor according to the definition given in lectures?
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Active vs Passive Sensors

Question 4

Which one of the following would Fraden most likely classify as an active sensor?
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Question 5

Which one of the following would Fraden most likely classify as a passive sensor?
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Relative vs Absolute Sensors

Question 6

Which one of the following would Fraden most likely consider to be an absolute sensor?
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Question 7

Which one of the following would Fraden most likely consider to be a relative sensor?
TODO: assume all sensors mentioned below are digital.
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Sensing and Autonomy Basics

Question 8

As discussed in lecture, many sensing and autonomy problems are characterized by the 4 Us. Which of the following are the Us mentioned in lecture?
Select ALL that apply.
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Sensor Calibration

Question 9

Which of the following calibration scenarios are overdetermined?
Select ALL that apply.
%Correct answers: %✅ Calibrating a thermometer using 100 measurements %✅ Estimating 3D accelerometer bias using thousands of samples %✅ Estimating camera intrinsics from hundreds of images
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Question 10

Select ALL of the statements about transfer functions and correction functions that are TRUE.
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Authors

Anna LaValle, Steven M. LaValle
% <!page=fsta-funsta-1-quiz-009> %Based on the definition given in the %lectures and in Fraden Chs.~1 and 2, which %of the following items are sensors? %If it is a sensor, write its %characteristics (active/passive, %simple/complex, absolute/relative). %There may not be an absolute right answer. %Therefore, state your reasoning clearly. % % *Radar (for air traffic control) % * Electron microscope % * Magnifying glass % * Smoke detector % * The Large Hadron Collider % * Metal detector (as in airport %security) % *Pocket radio
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