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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 Courtesy of the Fall 2004 ECE-163 class.
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
User’s hand movement Pointing device Hand Device Base station Cursor movement Context Level Block Diagram
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.
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)
User Input (button press) Surface Light Flash and Light Sensor Temperature Display (output) Phosphor Context Level Design
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
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