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RadioDSP-Stm32f103
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The target hardware platform is Stm32f103 - Arm Cortex-M3 based processor. The target hardware platform is Stm32f103 - Arm Cortex-M3 based processor.
The functions built in the RadioDSP are: The functions built in the RadioDSP are:
* Filter BPF CW NARROW (300 HZ) * Filter BPF CW NARROW (300 HZ)
* Filter BPF CW NARROW (700 Hz) * Filter BPF CW NARROW (700 Hz)
* Filter LPF SSB ( < 2400 Hz ) * Filter LPF SSB ( < 2400 Hz )
* Filter LPF SSB ( < 3500 Hz ) * Filter LPF SSB ( < 3500 Hz )
* Noise Reduction (Exponential Moving Average - 3 levels smoothing) * Noise Reduction (Exponential Moving Average - 3 levels smoothing)
* Noise Reduction (Simple Moving Average - 3 levels smoothing: 8,16,24 samples) * Noise Reduction (Simple Moving Average - 3 levels smoothing: 8,16,24 samples)
NOTE: this is an experimental project and the functions can be changed NOTE: this is an experimental project and the functions can be changed
without any advise. without any advise.
Info to noise reduction algorithms: info: https://en.wikipedia.org/wiki/Moving_average Info to noise reduction algorithms: info: https://en.wikipedia.org/wiki/Moving_average
Calculator used for FIR filters: https://www.arc.id.au/FilterDesign.html
Calculator used for FIR filters: https://www.arc.id.au/FilterDesign.html
The RadioDSP use some parts of the ARM Cortex Microcontroller Software The RadioDSP use some parts of the ARM Cortex Microcontroller Software
Interface Standard (CMSIS). Interface Standard (CMSIS).
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others examples and projects free and available in the opensource others examples and projects free and available in the opensource
community. community.
The RadioDSP openSource software is released under the license: The RadioDSP openSource software is released under the license:
Common Creative - Attribution 3.0 Common Creative - Attribution 3.0