[Scipy-tickets] [SciPy] #1105: Logarithmic chirp frequency sweep incorrect

SciPy Trac scipy-tickets@scipy....
Sun Feb 14 17:55:34 CST 2010

#1105: Logarithmic chirp frequency sweep incorrect
 Reporter:  johntryan                    |       Owner:  somebody    
     Type:  defect                       |      Status:  needs_review
 Priority:  normal                       |   Milestone:  0.8.0       
Component:  scipy.signal                 |     Version:  0.7.0       
 Keywords:  chirp logarithmic frequency  |  

Comment(by warren):

 I uploaded a new patch. This reorganizes some of the code to make testing
 easier.  It also replaces the 'qshape' keyword argument with
 'vertex_zero'.  After using the function over the last few days, I'm
 convinced this provides a better way of specifying the shape of the
 quadratic function.

 Plots of signals generated by the new chirp() and sweep_poly() functions
 are available here:

Ticket URL: <http://projects.scipy.org/scipy/ticket/1105#comment:7>
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