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Building a complex signal processing function requires a deep understanding of the signal characteristics and of the different algorithms and their performances.
When it comes to the verification (a) of such designs, a quite generic approach consists of injecting more or less realistic stimulus and using reference models (most often C or Matlab ® ), to compare the expected results.
Requirement based designs following a DO-254 (1) process add the constraints that each function of the design should be specified as a traceable requirement. The proof of the complete verification of each requirement should also be provided with additional emphasis on physical verification, therefore running the tests on the physical device.
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