The book "Methodical manual for laboratory work "Investigation of the properties of wavelet-type transformations" by the discipline Digital Processing" by Salomatin S. B. is a unique and valuable resource for students, graduate students and professionals interested in digital signal and image processing This manual is not just a textbook, but a real find for those who seek a deeper understanding of modern methods of data analysis and their practical application. The focus of this manual is wavelet transformation a powerful tool that allows you to effectively analyze and process signals of a different nature. Salomatin in an accessible and fascinating way explains the basic concepts associated with wavelet theory, and invites readers to immerse themselves in the world of digital processing, where each step is accompanied by practical tasks and laboratory work. This makes the book especially useful for technical students studying digital signal processing, as well as for practicing engineers and researchers who want to update their knowledge. The manual covers a wide range of topics, ranging from the basics of wavelet analysis to its application in various fields, such as image processing, data compression and noise reduction. Each section contains clear explanations, examples and tasks, which allows readers not only to learn the theory, but also to apply it in practice. This makes the book an ideal choice for students who are preparing for laboratory work, as well as for teachers looking for quality teaching materials. The book will be interesting not only for students, but also for more mature readers who work in the field of information technology, data analysis and related disciplines. If you are passionate about digital technology, mathematical modeling or just want to expand your knowledge in the field of signal processing, this guide will become a real assistant for you. It will help you not only to master the theoretical aspects, but also to develop the practical skills necessary for successful work in this dynamically developing area. Salomatin, as an author, is known for his deep understanding of the subject and his ability to explain complex concepts easily. His writing style is clear and logical, which allows readers to easily absorb material. In addition, he actively publishes scientific articles and participates in conferences, which indicates his involvement in modern research and development in the field of digital processing. The book "Methodical manual for laboratory work "Investigation of the properties of wavelet-type transformations" in the discipline Digital Processing" stands out among similar publications due to its practical approach and the relevance of topics. It will become an indispensable assistant for anyone who wants not only to learn the theory, but also to gain practical experience in the application of wavelet transformations. If you are looking for a quality digital signal processing manual that combines theory and practice, this edition should definitely be in your library. Do not miss the opportunity to immerse yourself in the fascinating world of wavelets and discover new horizons in digital processing!