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[Study of on-line CCD spectrum data acquisition system based on CPLD]
Gang Li1, Yang Wang, Hai-lan Li
1College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China. ligang59@tju.edu.cn
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|March 1, 2008
Summary
This study introduces a new Charge-Coupled Device (CCD) data acquisition system using Complex Programmable Logic Devices (CPLDs) for faster, non-invasive blood component analysis via near-infrared spectroscopy.
Area of Science:
- Biomedical Engineering
- Spectroscopy
- Data Acquisition Systems
Context:
- Non-invasive detection of blood components is crucial in biomedicine.
- Near-infrared (NIR) spectroscopy offers a promising non-invasive method.
- Dynamic spectrum analysis requires high amplitude accuracy and temporal resolution.
Purpose:
- To design a high-speed data acquisition system for NIR spectroscopy.
- To overcome limitations of existing systems regarding real-time output and data handling.
- To improve the temporal resolution for dynamic spectrum analysis.
Summary:
- A novel Charge-Coupled Device (CCD) data acquisition system controlled by a Complex Programmable Logic Device (CPLD) was developed.
- The CPLD manages CCD timing, signal processing, data transmission, and storage, simplifying the system structure.
- This system achieves high-speed data acquisition, meeting stringent temporal resolution requirements for dynamic spectrum analysis.
Impact:
- Enables more accurate and faster non-invasive blood component monitoring.
- Facilitates advancements in real-time biomedical diagnostics.
- Reduces interference from individual variations in spectroscopic measurements.
