Agilent Technologies Option H48 Multiport Test Set Z5623A Specifikace Strana 102

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安捷倫科技高頻元件量測研討會
Feb.23, 2006
Agilent Ptolemy
Agilent Ptolemy is the Data Flow
simulator
System Level Simulation Kernel
based on UC Berkeley Ptolemy
Timed Synchronous Data Flow (TSDF)
Numeric Synchronous Data Flow (SDF)
Links to other simulators & instruments
Ptolemy Data Flow (discrete numeric/time-domain)
Signal Processing Verification – FEC, Encoding/Decoding
System Performance Verification – uncoded/coded BER
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安捷倫科技高頻元件量測研討會
Feb.23, 2006
Statically Scheduled Simulation
1. A component maps input tokens (current or numbers) onto
output tokens
2. A set of firing rules specify when a node (component) runs
3. A firing consumes input tokens and produces output token
4. Nodes (components) connected by arcs (wires)
5. Schedule is constructed once and repeatedly executed
Suitable for synchronous multi-rate signal processing
Synchronous Data Flow has no concept of time, just
numeric data
Tokens can also be “time stamped” - then they
become samples. Now you can simulate time and
frequency domain models and impairments such as
reflections and dispersion Æ TSDF
Enabled
Fired
What is Synchronous Data Flow (SDF)?
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