Abs Absolute value (modulus). Description The Abs block calculates the absolute value of the input signal. Ports Input Port_1 - input signal scalar | vector Input signal. Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64, Bool. Support for complex numbers: Yes Output Port_1 - output signal scalar | vector Absolute value of the input signal. Data types: Float64. Additional options C code generation: Yes Examples OFDM oversampled signal model Zero crossing detection Background noise reduction system AGC model using Engee Function