A *z*-Transform with

for . This transform can be used to detect frequencies which are not Integer multiples of the lowest Discrete Fourier Transform frequency.

**References**

Graham, R. L.; Knuth, D. E.; and Patashnik, O. *Concrete Mathematics, 2nd ed.* Reading, MA: Addison-Wesley, 1994.

© 1996-9

1999-05-26