Displaying 20 results from an estimated 28 matches for "butterworth".
2006 Jun 16
5
[PATCH][XM-TEST] Fix bugzilla # 674 by changing the xm-test Console.py to wait for the command prompt.
...o run.
DO NOT APPLY. This patch is FOR REVIEW ONLY at this stage since my
python skills are pretty lame and it really needs to get some testing
from people who have actually been experiencing problems. For me,
xm-test works the same on my machine with and without this patch.
Signed-off-by Harry Butterworth <butterwo@uk.ibm.com>
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2005 Nov 06
2
Bug in use of grant tables in blkback.c error path?
...and attempt to map the
remaining pages after an error is encountered.
All in all, this looks like a bug to me where failure to map a grant
reference in the middle of a set would result in pages kept mapped in
the backend when fast_flush_area fails to clean them up.
Am I right?
Harry.
--
Harry Butterworth <harry@hebutterworth.freeserve.co.uk>
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2006 Mar 30
7
RE: [RFC][PATCH] create an initrd for dom0 in install.shscript
Here is the usage for
Fedora
usage: mkinitrd [--version] [-v] [-f] [--preload <module>]
[--omit-scsi-modules] [--omit-raid-modules] [--omit-lvm-modules]
[--with=<module>] [--image-version] [--fstab=<fstab>]
[--nocompress]
[--builtin=<module>] [--nopivot] <initrd-image> <kernel-version>
(ex: mkinitrd /boot/initrd-2.2.5-15.img
2005 Dec 06
4
latest USB code
Here''s the latest USB code against the xen 3.0.0 release. Since the
last posting this version updates the code to use the new 32 bit grant
references and the latest GNTTABOP_map_grant_ref definition. I''ve also
changed the definition of the virtual USB HCD to have a single port
rather than seven ports with six unused. Domains importing multiple USB
devices will get a HCD for
2012 Feb 18
1
PATCH: Port equalloudfilt.m MATLAB to scilab
Although the script doesn't generate identical results, it seems to get fairly close.
The deviations for the Butterworth filter settings seem larger than for the equal loudness filter.
This script requires OpenSource scilab which is available for Windows, Linux and MacOS.
http://www.scilab.org/products/scilab/download
Earl
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2002 Mar 16
1
promax (PR#1389)
Full_Name: conor dolan
Version: 1.4.0
OS: windows98
Submission from: (NULL) (146.50.170.247)
On the basis of Lawley and Maxwell's explanation in Factor Analysis as a
Statistical Method (London: Butterworth, 1971), the following line in the promax
routine (library, mva):
attr(z, "covariance") <- crossprod(U)
should be
attr(z, "covariance") <- solve(crossprod(U))
the attribute as calculated at present is the inverse correlation matrix.
try following example:
# start exa...
2013 Feb 07
4
low pass filter analysis in R
Hello R users,
I am trying to use R to do the low pass filter analysis for the tidal data.
I am a novice in R and so far been doing only simple stuffs on R. I found a
package called signal but couldn't find the proper tutorial for the low
pass filter.
Could anyone point me to the proper tutorial or starting point on how to do
low pass filter analysis in R ?
Thank you so much.
Janesh
2001 Nov 21
2
distances from points to line
Dear all,
I have discovered that there are many things that I used to do in my GIS
which are easily done directly in R, for example calculating interpoint
distances using geoR and pick out points inside a polygon using splancs.
I now wonder, is there a function to create a line object like a
watercourse and then calculate the distances between many points in space
and this line?
I couldn't
2009 Nov 24
0
[LLVMdev] X86InstrInfo::GetInstSizeInBytes() calculating incorrect size
...MOV32mi calculated
length: 11 incorrect
c7 04 24 20 00 38 00 MOV32mi calculated
length: 11 incorrect
If more information is needed let me know and I'll send it.
Thank you in advance and best regards,
John Butterworth
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2006 Dec 06
0
mFilter package
...e implements several time series filters useful for smoothing
and extracting trend and cyclical components of a time series. The
routines are commonly used in economics and finance, however they should
also be interest to other areas. Currently, Christiano-Fitzgerald,
Baxter-King, Hodrick-Prescott, Butterworth, and trigonometric regression
filters are included in the package.
Cheers,
--
Mehmet Balcilar, PhD
Associate Professor of Econometrics
Cukurova University
College of Economics & Administrative Sciences
Department of Econometrics
Balcali, Adana 01330
Turkey
Tel: +90 (322) 338-7255 (6 lines...
2005 Nov 07
1
[PATCH] fast_flush_area in blkback.c still broken after 55194bd55b86
...TTABOP_unmap_grant_ref in fast_flush_area.
Also, I think the memset of the pending_grant_handles array should
happen before you start using them so I moved it to before
blkif_xenbus_init. I''m not sure if this is necessary or it might
possibly have to go even earlier.
Signed off by Harry Butterworth butterwo@uk.ibm.com.
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2005 Nov 21
0
[PATCH][5/17] USB virt 2.6 split driver---concrete local buffer reference types
This patch implements a local buffer reference type for kernel virtual
address space and a remote buffer reference type for buffers up to 16
pages based on grant tables. These types are used by the USB driver for
bulk data transfer.
Signed-off-by: Harry Butterworth <butterwo@uk.ibm.com>
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2005 Nov 21
1
[PATCH][7/17] USB virt 2.6 split driver---gnttab channel
...enidc_channel interface using grant tables
but leaves the channel bring-up and tear-down sequencing to a derived
class (xenidc_gnttab_channel implements that). This code is part of the
implementation of the xenidc_endpoint used for interdomain communication
by the USB driver.
Signed-off-by: Harry Butterworth <butterwo@uk.ibm.com>
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2005 Nov 30
0
[PATCH][14/17] REV 2 USB virt 2.6 split driver---USB interdomain protocol
...ntly they are not.
Both the polling and the queued commands issues need to be fixed. This
may affect the protocol.
The current protocol is good enough for read only access to USB devices
and works for read-write access but is not safe for write access during
error recovery.
Signed-off-by: Harry Butterworth <butterwo@uk.ibm.com>
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1997 Dec 10
0
Slow directory listings of our user directories
...ory, many of which are links to nfs mounted filesystems. netatalk
does exactly the same thing, which is worse on a Mac because at least on
the PC you can type the UNC path into the Run menu and circumvent the browser.
I would have thought this was a FAQ, but has anyone got any ideas ?
Rob
--
Rob Butterworth (robert)
UK Systems Manager
Tel: 3846
2006 Dec 11
1
Sampling Rate
...6000) sample. The result being, 16000Hz
sampled audio. If you omit the filter the result will contain artifacts.
At the other end for playback you can convert it back to 48000 (or
whatever) by
You can use http://www-users.cs.york.ac.uk/~fisher/mkfilter/trad.html to
generate such a filter, choose Butterworth + lowpass, filter order 10,
put your sample rate in, and corner frequency 1 8000Hz.
Failing that, you could use http://www.mega-nerd.com/SRC/ to do the
resampling for you if you're prepared to GPL your code or cough up for
the license. This library will perform any arbitrary conversion for you...
2009 Dec 16
1
[LLVMdev] incorrect x86 instruction size calculation
Hello,
I'm trying to write some backends for LLVM that generate code that complies
with SFI validation rules by re-implementing SFI for the LLVM x86 backend
based on the Google NaCl project.
However, in trying to implement 32-byte code alignment,
X86InstrInfo::GetInstSizeInBytes() is returning incorrect instruction sizes
for certain instructions (that I have seen so far): MOV32mi,
2006 Dec 11
1
Sampling Rate
...led
> audio. If you omit the filter the result will contain artifacts.
>
> At the other end for playback you can convert it back to
> 48000 (or whatever) by
>
> You can use
> http://www-users.cs.york.ac.uk/~fisher/mkfilter/trad.html to
> generate such a filter, choose Butterworth + lowpass, filter
> order 10, put your sample rate in, and corner frequency 1 8000Hz.
>
> Failing that, you could use http://www.mega-nerd.com/SRC/ to
> do the resampling for you if you're prepared to GPL your code
> or cough up for the license. This library will perform any...
2005 Sep 29
3
USB frontend and backend disappeared from latest unstable tree
Hi Folks,
I just did a "hg pull -u" on my unstable tree and realized that the USB
virtualization related code disappeared (e.g.
/linux-2.6-xen-sparse/drivers/xen/usbfront/
and /linux-2.6-xen-sparse/drivers/xen/usbback/ directories are not present).
I traced the changes to the changeset 7027:06d84bf87159 which was committed
on september 22 by djm@kirby.fc.hp.com.
Could someone please
2005 Oct 19
2
Filter design in R?
Dr. Williams,
I ran across your inquiry on one of the R-help mailing lists regarding
digital filter design and implementation. I found no response to your
email in the archives and was wondering if you were able to find anything.
Thanks,
Israel
--
Israel Christie, Ph.D.
Email: ichristie at gmail.com
Phone: 865.766.0214
Mobile: 865.406.4615