EntityQ1567607· pop 10· linked from 21 articlesHartley transformSign in to savean integral transform closely related to the Fourier transformConnectionsRalph HartleyEntitymathematicsEntityInternational Standard Book NumberEntitytrigonometryEntitycomplex numberEntityfunctionEntityreal numberEntitydigital object identifierEntityFourier transformEntityimaginary unitEntitybibcodeEntityOxford University PressEntitylinear mapEntityeven and odd functionsEntityangular frequencyEntityconvolutionEntitysymmetric matrixEntityQ22908627EntityinvolutionEntityorthogonal matrixEntityCategoriesFourier analysisIntegral transforms