The discrete fourier transform dft is an extremely useful tool that finds application in many different disciplines however its use requires caution the aim of this book is to explain the dft and its various artifacts and pitfalls and to show how to avoid these whenever possible or at least how to recognize them in order to avoid misinterpretations this concentrated treatment of the dft artifacts and pitfalls in a single volume is indeed new and it makes this book a valuable . The discrete fourier transform dft is an extremely useful tool that finds application in many different disciplines however its use requires caution the aim of this book is to explain the dft and its various artifacts and pitfalls and to show how to avoid these whenever possible or at least how to recognize them in order to avoid misinterpretations this concentrated treatment of the dft artifacts and pitfalls in a single volume is indeed new and it makes this book a valuable . Mastering the discrete fourier transform in one two or several dimensions is intended for scientists engineers students and any readers who wish to widen their knowledge of the dft and its practical use this book will also be very useful for naive users from various scientific or technical disciplines who have to use the dft for their respective applications the prerequisite mathematical background is limited to an elementary familiarity with calculus and with the continuous and . The discrete fourier transform dft is an extremely useful tool that finds application in many different disciplines however its use requires caution due to various pitfalls and artifacts that await the unaware users and risk to mislead them in the interpretation of the results the aim of this book is to explain the dft and its various artifacts and pitfalls and to show how to avoid these artifacts whenever possible or at least how to recognize them in order to avoid . The discrete fourier transform dft is an extremely useful tool that finds application in many different disciplines however its use requires caution the aim of this book is to explain the dft and its various artifacts and pitfalls and to show how to avoid these whenever possible or at least how to recognize them in order to avoid misinterpretations