Анотація
Описано підхід до формування імітаційної моделі інформаційних сигналів, характерних для об'єктів з різними типами дефектів. Проведено дисперсійний аналіз компонентів сигнального спектра в базах дискретного перетворення Хартлі та дискретного косинусного перетворення. Аналіз форми реконструйованого інформаційного сигналу проводиться залежно від кількості коефіцієнтів спектрального розкладу в базах Хартлі та косинусних функцій. Отримано основу ортогональних функцій дискретного аргументу, яку можна використовувати для спектрального перетворення інформаційних сигналів дефектоскопа. Розроблено та експериментально досліджено метод моделювання інформаційних сигналів, що дозволяє враховувати детерміновану та випадкову складові характеристик реальних інформаційних сигналів. Бібл. 24, рис. 13, табл. 3.
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