You are the Software Systems Engineer for a next generation autonomous ground se
ID: 3583274 • Letter: Y
Question
You are the Software Systems Engineer for a next generation autonomous ground sensor program that uses embedded signal processing software to analyze sound-frequency vibration data collected by a hardware sensor and identify and track entities near it. Using low bandwidth covert radio communications restricts the sensor to one message per second. Construct a top-level timeline for this device suitable for allocating processing time among the following 5 processes: a) Overhead and 20% spare, b) Communications (radio interface), c) Data Collection (sensor interface), d) Data Reduction (tracking), and e) Decision Making (what to send out). For your answer to receive full credit you need to describe what's going on in the process unambiguously, in a sentence or two.
This is not a graphical timeline question, a textual answer is expected like:
t=0 to 20ms: process (a) Overhead to ...
t=20ms to 40ms: process (b) Copy packet from radio and ...
etc.
Explanation / Answer
Answer :
You are the Software Systems Engineer for a next generation autonomous ground sensor program that uses embedded signal processing software to analyze sound-frequency vibration data collected by a hardware sensor and identify and track entities near it. Using low bandwidth covert radio communications restricts the sensor to one message per second. Construct a top-level timeline for this device suitable for allocating processing time among the following 5 processes: a) Overhead and 20% spare, b) Communications (radio interface), c) Data Collection (sensor interface), d) Data Reduction (tracking), and e) Decision Making (what to send out). For your answer to receive full credit you need to describe what's going on in the process unambiguously, in a sentence or two.
This is not a graphical timeline question, a textual answer is expected like:
t=0 to 20ms: process (a) Overhead to ...
t=20ms to 40ms: process (b) Copy packet from radio and ...
etc.
Answer :
Communications (radio interface), c) Data Collection (sensor interface), d) Data Reduction (tracking), and e) Decision Making (what to send out). For your answer to receive full credit you need to describe what's going on in the process unambiguously, in a sentence or two.
t=0 to 20ms: process (a) Overhead to ...
t=20ms to 40ms: process (b) Copy packet from radio and ...
etc.
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