# Latest **URL:** https://www.ruby-forum.com/latest.md?page=498 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 499 --- ## [Fft --\> ifft](https://www.ruby-forum.com/t/fft-ifft/237528)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 7\ **Last updated:** [November 18, 2013, 6:48pm UTC](https://www.ruby-forum.com/t/fft-ifft/237528 "2013-11-18T18:48:49Z")
When I take a signal, stream-\>vector–\>FFT–\>IFFT–\>vector-\>stream, I’d expect to get the original signal back. Instead, I’m getting something like the original signal, but following a very low frequency carrier. I tho… --- ## [Programming PLL on RFX900/1800](https://www.ruby-forum.com/t/programming-pll-on-rfx900-1800/237535)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 18, 2013, 6:36pm UTC](https://www.ruby-forum.com/t/programming-pll-on-rfx900-1800/237535 "2013-11-18T18:36:33Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid https://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [Asciiart 0.0.6 released](https://www.ruby-forum.com/t/asciiart-0-0-6-released/237511)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 18, 2013, 5:02pm UTC](https://www.ruby-forum.com/t/asciiart-0-0-6-released/237511 "2013-11-18T17:02:28Z")
Turn images on your hard drive or on the internet to asciiart…even colorized asciiart. New In This Version: Verbose, Copy & Paste-able HTML output. In Code: require ‘asciiart’ a = AsciiArt.new(“/Users/sschor/Desktop… --- ## [Pass parameters though auth\_request directive?](https://www.ruby-forum.com/t/pass-parameters-though-auth-request-directive/237532)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 18, 2013, 4:35pm UTC](https://www.ruby-forum.com/t/pass-parameters-though-auth-request-directive/237532 "2013-11-18T16:35:34Z")
Hi, I am try to implement a simple auth system using nginx, nginx-auth-request-module and php-fpm. I want to do the following: User requests http://myserver.com/content/file1.zip?key=12345 location /content { auth\_… --- ## [Rational Resampler throws double free or corruption error](https://www.ruby-forum.com/t/rational-resampler-throws-double-free-or-corruption-error/237484)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 13\ **Last updated:** [November 18, 2013, 3:50pm UTC](https://www.ruby-forum.com/t/rational-resampler-throws-double-free-or-corruption-error/237484 "2013-11-18T15:50:00Z")
Hi everyone, I am using the latest GNU Radio version compiled and running on a Raspberry Pi with Raspbian Wheezy. Most of the blocks seem to work. But the Rational Resampler makes problems. Here is my sample python … --- ## [I translated document from English to Japanese](https://www.ruby-forum.com/t/i-translated-document-from-english-to-japanese/237530)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 18, 2013, 1:47pm UTC](https://www.ruby-forum.com/t/i-translated-document-from-english-to-japanese/237530 "2013-11-18T13:47:17Z")
Hi there, I intersted in nginx, but Japanese documents is out of date, so I will be translate documents from English to Japanese, but I cannnot find information to translation. Right now, I created git repository wha… --- ## [Recruiter Inglese](https://www.ruby-forum.com/t/recruiter-inglese/237363)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 9\ **Last updated:** [November 18, 2013, 12:32pm UTC](https://www.ruby-forum.com/t/recruiter-inglese/237363 "2013-11-18T12:32:31Z")
Ciao a tutti, Da poco meno di un mese mi sono trasferita a Monaco (Germania) e la mia azienda sta cercando sviluppatori ruby. Non ci sono contatti diretti con l’azienda, ma si passa attraverso (principalmente) due so… --- ## [Hook into Exception Chain](https://www.ruby-forum.com/t/hook-into-exception-chain/237418)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 7\ **Last updated:** [November 18, 2013, 11:44am UTC](https://www.ruby-forum.com/t/hook-into-exception-chain/237418 "2013-11-18T11:44:35Z")
Hi there, I’m using Log4r in my rails projects. On log.error an email is sent using the EmailOutputter. I know changed the EmailOutputter to include a global var in the subject (MDC) since the subject is normally st… --- ## [Restful Routing and restful versus non-restful routes](https://www.ruby-forum.com/t/restful-routing-and-restful-versus-non-restful-routes/237533)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 18, 2013, 10:54am UTC](https://www.ruby-forum.com/t/restful-routing-and-restful-versus-non-restful-routes/237533 "2013-11-18T10:54:21Z")
So resources :products will create 7 different restful routes for CRUD operations for resource products. For example: products GET /products(.:format) products#index So restful route includes only controller name with… --- ## [Restful routing, restful versus non-restful routes](https://www.ruby-forum.com/t/restful-routing-restful-versus-non-restful-routes/237534)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 18, 2013, 10:37am UTC](https://www.ruby-forum.com/t/restful-routing-restful-versus-non-restful-routes/237534 "2013-11-18T10:37:25Z")
So resources :products will create 7 different restful routes for CRUD operations for resource products. For example: products GET /products(.:format) products#index So restful route includes only controller name with… --- ## [OSParam Error](https://www.ruby-forum.com/t/osparam-error/237527)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [November 18, 2013, 8:49am UTC](https://www.ruby-forum.com/t/osparam-error/237527 "2013-11-18T08:49:21Z")
I am running a USRP source through a throttle to an FFT sink and a file sink. Last time I ran it, I got an “OSParam error”, followed by a bunch of "D"s and the FFT was lagging and jumping. Any ideas as to what this is… --- ## [Does anyone use the E110 to run benchmark\_rx successfully?](https://www.ruby-forum.com/t/does-anyone-use-the-e110-to-run-benchmark-rx-successfully/237531)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 18, 2013, 4:56am UTC](https://www.ruby-forum.com/t/does-anyone-use-the-e110-to-run-benchmark-rx-successfully/237531 "2013-11-18T04:56:03Z")
As the subject implied,when I used two E110s to run the benchmark\_rx and benchmark\_tx,I cannot see the results expected.It just show “OOOO” at the rx side.what’s the main reason for this? Does the E110 has no power to… --- ## [Supress freq below db threshold](https://www.ruby-forum.com/t/supress-freq-below-db-threshold/237529)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 18, 2013, 4:04am UTC](https://www.ruby-forum.com/t/supress-freq-below-db-threshold/237529 "2013-11-18T04:04:55Z")
Is there a block that can set a threshold in the freq domain? That is, any freq with less than x db should have no power whatsoever? --- ## [Using rx rate stream tag to control throttle](https://www.ruby-forum.com/t/using-rx-rate-stream-tag-to-control-throttle/237526)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 11:17pm UTC](https://www.ruby-forum.com/t/using-rx-rate-stream-tag-to-control-throttle/237526 "2013-11-17T23:17:55Z")
Hi, Some minor changes relating to metadata files and stream tags. The first simply provides a command line option that causes uhd\_rx\_cfile to write metadata files. The second modifies the throttle so that it uses the … --- ## [Renaming gnuradio/math.h to gnuradio/math\_utils.h](https://www.ruby-forum.com/t/renaming-gnuradio-math-h-to-gnuradio-math-utils-h/237525)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 11:16pm UTC](https://www.ruby-forum.com/t/renaming-gnuradio-math-h-to-gnuradio-math-utils-h/237525 "2013-11-17T23:16:44Z")
Hi, The gnuradio/math.h header is causing some problems for some out-of-tree builds that use C code. If these projects add the GNURadio includes to their build path then the system math.h header is hidden and cannot … --- ## [Font Size in GNU Radio Companion](https://www.ruby-forum.com/t/font-size-in-gnu-radio-companion/237518)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 10:19pm UTC](https://www.ruby-forum.com/t/font-size-in-gnu-radio-companion/237518 "2013-11-17T22:19:30Z")
The font size in GNU Radio Companion seems to be fixed and quite small, at least for those with visual impairements. Is there any way to change it (either via GUI or via a source edit)? --- ## [Rectifying and Low Pass filter](https://www.ruby-forum.com/t/rectifying-and-low-pass-filter/237520)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [November 17, 2013, 10:17pm UTC](https://www.ruby-forum.com/t/rectifying-and-low-pass-filter/237520 "2013-11-17T22:17:09Z")
I’m trying to demodulate AM (I know there are existing blocks to do that, but I’d like to learn how to do it on my own). In a real world analog circuit, I would find the envelope by first rectifying the signal (using … --- ## [Running a Sinatra app as a Windows service](https://www.ruby-forum.com/t/running-a-sinatra-app-as-a-windows-service/237513)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 7\ **Last updated:** [November 17, 2013, 8:39pm UTC](https://www.ruby-forum.com/t/running-a-sinatra-app-as-a-windows-service/237513 "2013-11-17T20:39:20Z")
Im mandated to deploy unfortunately on Windows . I was hoping to do it on TorqueBox but on Windows Im encountering a number off issues , so I think I will defer the TorqueBox deployment until I mature a bit its use an… --- ## [Issues with bouncy castle from within a war](https://www.ruby-forum.com/t/issues-with-bouncy-castle-from-within-a-war/237521)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 17, 2013, 8:06pm UTC](https://www.ruby-forum.com/t/issues-with-bouncy-castle-from-within-a-war/237521 "2013-11-17T20:06:18Z")
what I can run fine from jruby rackup will not fly if ran from java i.e. java -jar my\_app.war I have added jruby-openssl to my gemfile, I also grabbed the java jars for bouncy castle and placed them in my lib folder s… --- ## [Retrieve host info in Rake task?](https://www.ruby-forum.com/t/retrieve-host-info-in-rake-task/237519)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 17, 2013, 7:54pm UTC](https://www.ruby-forum.com/t/retrieve-host-info-in-rake-task/237519 "2013-11-17T19:54:51Z")
Hi, I’m writing a rake task for a standard Rails 3.x project (lib/tasks/myexport.rake). I’d like to retrieve a info from rails about project’s hostname and if possible also about protocol (http, https) and default po… --- ## [Convolution](https://www.ruby-forum.com/t/convolution/237516)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 5:36pm UTC](https://www.ruby-forum.com/t/convolution/237516 "2013-11-17T17:36:10Z")
Hi. I’m new to GNU Radio but have experience with basic DSP (using MATLAB for instance). Which blocks can I use to do these simple tasks: Convolution with an arbitrary (constant) wave in the time domain? Example:… --- ## [Re: What am I really seeing?](https://www.ruby-forum.com/t/re-what-am-i-really-seeing/237517)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 5:35pm UTC](https://www.ruby-forum.com/t/re-what-am-i-really-seeing/237517 "2013-11-17T17:35:00Z")
Thanks for the response. I am using a USRP2 N210 with the shortwave receiver daughterboard. When I was playing around, I was getting an error when I set the sample rate on the USRP source to 30MHz, and was told it ha… --- ## [@ACLOCAL@: command not found](https://www.ruby-forum.com/t/aclocal-command-not-found/237515)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 17, 2013, 3:04pm UTC](https://www.ruby-forum.com/t/aclocal-command-not-found/237515 "2013-11-17T15:04:52Z")
Hi all, I need your help: I want to install some files (old gnu library and developed files) for GNU to my new Ubuntu: 13.04. All config, makefiles were for old ubuntu. I run these: $ autoscan then change config.sc… --- ## [Rbenv Mavericks](https://www.ruby-forum.com/t/rbenv-mavericks/237512)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 2:56pm UTC](https://www.ruby-forum.com/t/rbenv-mavericks/237512 "2013-11-17T14:56:41Z")
I just upgraded my MacbookPro to a fresh install of Mavericks. After the install I started trying to get my development environment setup. In this I installed Homebrew, rbenv, ruby-build, and attempted some rubies. … --- ## [What am I really seeing?](https://www.ruby-forum.com/t/what-am-i-really-seeing/237505)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 6:40am UTC](https://www.ruby-forum.com/t/what-am-i-really-seeing/237505 "2013-11-17T06:40:47Z")
I have a GNU Radio setup to look at shortwave. I have my sample size set to 50MHz (since I was told I can’t use 30). If I set my FFT to 30MHz with a baseband of 15MHz, am I actually seeing the shortwave spectrum (0-3… --- ## [Security Fixes summary?](https://www.ruby-forum.com/t/security-fixes-summary/237469)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 17, 2013, 2:15am UTC](https://www.ruby-forum.com/t/security-fixes-summary/237469 "2013-11-17T02:15:24Z")
Hello Fellow Rubyists, Could one of you please point me to a summary-list of security fixes for the Ruby versions? I am especially interested in 1.9.3 and 2.0.0 Thanks and Kindest Regards, Peter F. Email: removed\_e… --- ## [Has anyone successfully used the Analog Devices HSC-ADC-EVALCZ board with GNU Radio?](https://www.ruby-forum.com/t/has-anyone-successfully-used-the-analog-devices-hsc-adc-evalcz-board-with-gnu-radio/237509)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 16, 2013, 8:07pm UTC](https://www.ruby-forum.com/t/has-anyone-successfully-used-the-analog-devices-hsc-adc-evalcz-board-with-gnu-radio/237509 "2013-11-16T20:07:25Z")
Hi, I have an Analog Devices HSC-ADC-EVALCZ evaluation board that is tied to an Analog Devices AD9268-125 dual channel, 125 MSPS A/D converter board. (That board is also from Analog Devices and the two work together a… --- ## [More Coverity fixes](https://www.ruby-forum.com/t/more-coverity-fixes/237496)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 16, 2013, 7:41pm UTC](https://www.ruby-forum.com/t/more-coverity-fixes/237496 "2013-11-16T19:41:08Z")
Here are some simple coverity fixes: https://github.com/balister/GNU-Radio/commits/cov-fixes Note one of them messes with the QA code, I see random failures on the on the tests now. However the original code was clear… --- ## [Introducing GNU Radio's new logo!](https://www.ruby-forum.com/t/introducing-gnu-radios-new-logo/237477)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 16, 2013, 6:02pm UTC](https://www.ruby-forum.com/t/introducing-gnu-radios-new-logo/237477 "2013-11-16T18:02:25Z")
The GNU Radio project has grown tremendously over the past couple of years. We’ve gained a significant number of contributors and users and have seen a wonderful growth of applications, both “in the lab” and deployed … --- ## [Windows nginx 1.5.7.1 Caterpillar](https://www.ruby-forum.com/t/windows-nginx-1-5-7-1-caterpillar/237508)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 16, 2013, 4:56pm UTC](https://www.ruby-forum.com/t/windows-nginx-1-5-7-1-caterpillar/237508 "2013-11-16T16:56:24Z")
=== Transforming nginx for Windows === 12:22 16-11-2013: nginx 1.5.7.1 Caterpillar The nginx ‘Caterpillar’ is a “you are no longer in Kansas Alice” MONSTER release bringing to Windows full scalability with multiple … [Previous page](https://www.ruby-forum.com/latest.md?page=497) [Next page](https://www.ruby-forum.com/latest.md?page=499)