LI Wenshi. Micro System Design Based on Digital ADC andFPGA for Super-Slow Spectrum Analysis[J]. Chinese Journal of Electronics, 2010, 19(1): 35-38.
Citation: LI Wenshi. Micro System Design Based on Digital ADC andFPGA for Super-Slow Spectrum Analysis[J]. Chinese Journal of Electronics, 2010, 19(1): 35-38.

Micro System Design Based on Digital ADC andFPGA for Super-Slow Spectrum Analysis

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-01-05
  • The super-slow spectrum (3S, 0mHz »
    40mHz) be the important feature of neurotransmitters in
    slow synaptic transmissions for brain cognition function.
    3S analysis focuses on the near infrared (940nm) otopoints
    (mapping prefrontal cortex and temporal lobe) data in high
    validity for such as lie detection. The goal is to design 3S
    analysis micro system based on digital ADC and FPGA.
    My ideas are in voltage-controlled oscillator (not gate chain
    or Schmitt trigger) for digital ADC and in state machine
    and embedded RAM with Cyclone EP1C6 FPGA. The db4
    order-10 low frequency wavelet algorithm was hardened
    into this FPGA. The validity results touched 87% for lie
    test and 80% for smile test. This work may lay a prelimi-
    nary foundation for neurotransmitter measurement SoC.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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