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Examples of Context Level Diagrams. Courtesy of the Fall 2004 ECE-163 class. Context Level Signal Flow Block Diagram. Increased Incoming Voice Signal. Audio Signal Control Signal. Outgoing Voice Signal with Ambient Noise. Line Pair to Phone Company. Line Pair to Phone Base.

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Examples of Context Level Diagrams

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Examples of context level diagrams l.jpg

Examples of Context Level Diagrams

Courtesy of the Fall 2004 ECE-163 class.


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Context LevelSignal Flow Block Diagram

Increased Incoming

Voice Signal

Audio Signal

Control Signal

Outgoing Voice Signal

with Ambient Noise

Line Pair to Phone Company

Line Pair to Phone Base

Signal Flow Legend for

Line to Phone Base

Signal Direction

Outgoing Voice

Signal with Ambient Noise

Increased Incoming

Voice Signal

Telephone Control

Signals

Signal Flow Legend for

Line to Phone Company

Signal Direction

Decreased Outgoing Voice

Signal with Ambient Noise

Unprocessed Incoming

Voice Signal

Telephone Control

Signals


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User’s hand movement

Pointing device

Hand Device

Base station

Cursor movement

Context Level Block Diagram


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Context Level Block Diagram

Access Commands

Wireless Analog Communication

Pet w/ Collar Approaches Door

Pet Door Opens & Closes

Access Control

Hardware

Pet Door Remains Shut

Animal w/o Collar

No Communication

No Command Signals

User Input

Human User Interface (LCD/Buttons)

Information

Output*

data

Button presses

* - Time of last access and whether a pet is currently inside or outside.


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User Input Cough

Recorder

Parameters and Graphs

Produced From

Time-Domain and

Frequency Domain Analysis

PC –

Software Program

Results from

Cluster and Discriminant

Analysis

“Control” Coughs

(Serves as Basis for Cluster Analysis)


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Context Level Block Diagram


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User Input (button press)

Surface

Light

Flash and Light Sensor

Temperature Display (output)

Phosphor

Context Level Design


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3. Sensor Triggered + Timestamp

Node

Tx

Rx

Computer Interface

1. Motion Event

2. IR LEDs blinking in unique pattern indicative of order

4. Node triggering and intruder path information displayed on GUI

Context-Level Diagram


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User input

Digitally Controlled

3 Channel

Audio Mixer

Touch Screen Display

Analog out to speaker

User input

Audio input A

USB out to PC

Audio input B

Audio input C


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