Spectral Estimation: Theory, Apps, & Digital Signal Processing

SpectrumSolvers™, a Spectral Estimation Application
---------------
Which estimator is best for your job?  SpectrumSolvers™ (free) program helps Find best Spectral Estimation Method for a Power Spectral Density plot.  A menu of 10+ spectral estimators from Steven Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from.  The results differ dramatically from one estimator to another.  Plus, varying input parameters and/or number of points may provide discrepancies. Observe how zero padding effects your results.  Manufacturing companies take note!  Some estimators can detect signals 50 to 100 dB from main signal.  See documented example!  The unwritten rule of '30 dB is okay' (i.e. hidden) is no longer true.  Download at https://goal-driven.net/apps/spectrumsolvers.html .

0 posts

Profile picture of Phil B Brubaker

Phil B Brubaker

Calculus-level (Programming) Language and Apps

FC-Compiler™ is a (free) Calculus-level Compiler that simplifies Tweaking parameters in ones math model.  The FortranCalculus (FC) language is for math modeling, simulation, and optimization.  FC is based on Automatic Differentiation that simplifies computer code to an absolute minimum; i.e., a mathematical model, constraints, and the objective (function) definition.  Minimizing the amount of code allows the user to concentrate on the science or engineering problem at hand and not on the (numerical) process requirements to achieve an optimum solution.  Download at https://goal-driven.net/apps/fc-compiler.html

3 posts

Profile picture of Phil B Brubaker

Phil B Brubaker

Debug Console

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      AND o.userid != 0
      AND p.state!= 2 JOIN jos_users as x
      ON x.id=p.owned_by_user
      LEFT JOIN jos_xgroups as g
      ON g.gidNumber=p.owned_by_group
      WHERE (o.userid='5865'
      AND o.status!=2
      AND p.state NOT IN (2, 3)
      AND ((p.setup_stage >= '2') OR (o.role = 1
      AND p.owned_by_user='5865')))
      AND p.provisioned = 0
  63. SHOW FULL COLUMNS
      FROM `jos_project_owners`
  64. SELECT p.alias, p.title, o.*
      FROM jos_project_owners AS o
      INNER JOIN `jos_projects` AS p
      ON p.id=o.projectid
      WHERE o.userid=0
      AND o.status=0
      AND o.invited_email='opt-designs@goal-driven.net'
  65. SHOW TABLES
  66. SELECT COUNT(jos_activity_recipients.id) AS count
      FROM `jos_activity_recipients`
      WHERE `jos_activity_recipients`.`scope` = 'user'
      AND `jos_activity_recipients`.`scope_id` = '5865'
      AND `jos_activity_recipients`.`state` = '1'
      AND `jos_activity_recipients`.`viewed` IS NULL
  67. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_search'
  68. SELECT m.id,m.title,m.module,m.position,m.content,m.showtitle,m.params,mm.menuid,e.protected
      FROM `jos_modules` AS `m`
      LEFT JOIN jos_modules_menu AS mm
      ON mm.moduleid = m.id
      LEFT JOIN jos_extensions AS e
      ON e.element = m.module
      AND e.client_id = m.client_id
      WHERE `m`.`published` = '1'
      AND `e`.`enabled` = '1'
      AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= '2021-09-24 02:10:58' )
      AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= '2021-09-24 02:10:58' )
      AND `m`.`access` IN ('1','1','4')
      AND `m`.`client_id` = '0'
      AND (`mm`.`menuid` = '83' OR `mm`.`menuid` <= '0' )
      ORDER BY `m`.`position` ASC,`m`.`ordering` ASC
  69. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_content'
  70. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_categories'
  71. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_whatsnew'
  72. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_newsletter'
  73. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_support'
  74. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_answers'
  75. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_kb'
  76. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_groups'
  77. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_forum'
  78. UPDATE `jos_session`
      SET `data` = '__default|a:9:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1632449457;s:18:\"session.timer.last\";i:1632449457;s:17:\"session.timer.now\";i:1632449457;s:8:\"registry\";O:23:\"Hubzero\\Config\\Registry\":2:{s:7:\"\0*\0data\";O:8:\"stdClass\":2:{s:1:\"0\";s:7:\"session\";s:10:\"Components\";O:8:\"stdClass\":1:{s:9:\"Resources\";O:8:\"stdClass\":1:{s:6:\"Models\";O:8:\"stdClass\":1:{s:4:\"Type\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:4:\"type\";s:8:\"orderdir\";s:3:\"asc\";}}}}}s:9:\"separator\";s:1:\".\";}s:4:\"user\";C:17:\"Hubzero\\User\\User\":22:{a:1:{s:5:\"guest\";b:1;}}s:11:\"tracker.sid\";s:32:\"3769ccb069c971b2f1360699a8346193\";s:12:\"tracker.ssid\";s:32:\"3769ccb069c971b2f1360699a8346193\";s:12:\"tracker.rsid\";s:32:\"3769ccb069c971b2f1360699a8346193\";}',`time` = '1632449458',`ip` = '3.238.95.208'
      WHERE `session_id` = '3769ccb069c971b2f1360699a8346193'
  • onAfterInitialise Method plgSystemP3p::onAfterInitialise /core/plugins/system/p3p/p3p.php:21
  • onAfterInitialise Method plgSystemRemember::onAfterInitialise /core/plugins/system/remember/remember.php:20
  • onAfterInitialise Method plgSystemHubzero::onAfterInitialise /core/plugins/system/hubzero/hubzero.php:21
  • onAfterInitialise Method plgSystemXFeed::onAfterInitialise /core/plugins/system/xfeed/xfeed.php:21
  • onAfterInitialise Method plgSystemSupergroup::onAfterInitialise /core/plugins/system/supergroup/supergroup.php:113
  • onAfterInitialise Method plgSystemReferrerpolicy::onAfterInitialise /core/plugins/system/referrerpolicy/referrerpolicy.php:21
  • onAfterRoute Method plgSystemJquery::onAfterRoute /core/plugins/system/jquery/jquery.php:21
  • onAfterRoute Method plgSystemSpamjail::onAfterRoute /core/plugins/system/spamjail/spamjail.php:21
  • onAfterRoute Method plgSystemIncomplete::onAfterRoute /core/plugins/system/incomplete/incomplete.php:21
  • onAfterRoute Method plgSystemUnconfirmed::onAfterRoute /core/plugins/system/unconfirmed/unconfirmed.php:21
  • onAfterRoute Method plgSystemUnapproved::onAfterRoute /core/plugins/system/unapproved/unapproved.php:21
  • onAfterRoute Method plgSystemPassword::onAfterRoute /core/plugins/system/password/password.php:21
  • onMembersAreas Method plgMembersDashboard::onMembersAreas /core/plugins/members/dashboard/dashboard.php:62
  • onMembersAreas Method plgMembersProfile::onMembersAreas /core/plugins/members/profile/profile.php:30
  • onMembersAreas Method plgMembersAccount::onMembersAreas /core/plugins/members/account/account.php:34
  • onMembersAreas Method plgMembersBlog::onMembersAreas /core/plugins/members/blog/blog.php:30
  • onMembersAreas Method plgMembersCollections::onMembersAreas /core/plugins/members/collections/collections.php:30
  • onMembersAreas Method plgMembersContributions::onMembersAreas /core/plugins/members/contributions/contributions.php:30
  • onMembersAreas Method plgMembersCourses::onMembersAreas /core/plugins/members/courses/courses.php:30
  • onMembersAreas Method plgMembersGroups::onMembersAreas /core/plugins/members/groups/groups.php:30
  • onMembersAreas Method plgMembersImpact::onMembersAreas /core/plugins/members/impact/impact.php:80
  • onMembersAreas Method plgMembersMessages::onMembersAreas /core/plugins/members/messages/messages.php:30
  • onMembersAreas Method plgMembersProjects::onMembersAreas /core/plugins/members/projects/projects.php:46
  • onMembersAreas Method plgMembersUsage::onMembersAreas /core/plugins/members/usage/usage.php:30
  • onMembersAreas Method plgMembersActivity::onMembersAreas /core/plugins/members/activity/activity.php:30
  • onContentPrepare Method plgContentLoadmodule::onContentPrepare /core/plugins/content/loadmodule/loadmodule.php:35
  • onContentPrepare Method plgContentPagebreak::onContentPrepare /core/plugins/content/pagebreak/pagebreak.php:35
  • onContentPrepare Method plgContentXhubtags::onContentPrepare /core/plugins/content/xhubtags/xhubtags.php:25
  • onContentPrepare Method plgContentFormatwiki::onContentPrepare /core/plugins/content/formatwiki/formatwiki.php:63
  • onContentPrepare Method plgContentFormathtml::onContentPrepare /core/plugins/content/formathtml/formathtml.php:105
  • onContentPrepare Method plgContentExternalhref::onContentPrepare /core/plugins/content/externalhref/externalhref.php:41
  • onMembersContributionsAreas Method plgMembersResources::onMembersContributionsAreas /core/plugins/members/resources/resources.php:63
  • onMembersContributionsAreas Method plgMembersWiki::onMembersContributionsAreas /core/plugins/members/wiki/wiki.php:28
  • onMembersContributionsAreas Method plgMembersCourses::onMembersContributionsAreas /core/plugins/members/courses/courses.php:354
  • onMembersContributionsAreas Method plgMembersImpact::onMembersContributionsAreas /core/plugins/members/impact/impact.php:196
  • onMembersContributionsAreas Method plgMembersPublications::onMembersContributionsAreas /core/plugins/members/publications/publications.php:65
  • onMembersContributions Method plgMembersResources::onMembersContributions /core/plugins/members/resources/resources.php:117
  • onMembersContributions Method plgMembersWiki::onMembersContributions /core/plugins/members/wiki/wiki.php:65
  • onMembersContributions Method plgMembersCourses::onMembersContributions /core/plugins/members/courses/courses.php:392
  • onMembersContributions Method plgMembersImpact::onMembersContributions /core/plugins/members/impact/impact.php:241
  • onMembersContributions Method plgMembersPublications::onMembersContributions /core/plugins/members/publications/publications.php:102
  • onMembers Method plgMembersDashboard::onMembers /core/plugins/members/dashboard/dashboard.php:88
  • onMembers Method plgMembersProfile::onMembers /core/plugins/members/profile/profile.php:50
  • onMembers Method plgMembersAccount::onMembers /core/plugins/members/account/account.php:60
  • onMembers Method plgMembersBlog::onMembers /core/plugins/members/blog/blog.php:50
  • onMembers Method plgMembersCollections::onMembers /core/plugins/members/collections/collections.php:50
  • onMembers Method plgMembersContributions::onMembers /core/plugins/members/contributions/contributions.php:50
  • onMembers Method plgMembersCourses::onMembers /core/plugins/members/courses/courses.php:53
  • onMembers Method plgMembersGroups::onMembers /core/plugins/members/groups/groups.php:56
  • onMembers Method plgMembersImpact::onMembers /core/plugins/members/impact/impact.php:113
  • onMembers Method plgMembersMessages::onMembers /core/plugins/members/messages/messages.php:56
  • onMembers Method plgMembersProjects::onMembers /core/plugins/members/projects/projects.php:71
  • onMembers Method plgMembersUsage::onMembers /core/plugins/members/usage/usage.php:50
  • onMembers Method plgMembersActivity::onMembers /core/plugins/members/activity/activity.php:54
  • onAfterDispatch Method plgSystemMobile::onAfterDispatch /core/plugins/system/mobile/mobile.php:22
  • onAfterDispatch Method plgSystemDebug::onAfterDispatch /core/plugins/system/debug/debug.php:60
  • onAfterDispatch Method PlgSystemHighlight::onAfterDispatch /core/plugins/system/highlight/highlight.php:25
  • onAfterRender Method plgSystemSef::onAfterRender /core/plugins/system/sef/sef.php:21