{"id":706,"date":"2010-06-06T12:46:17","date_gmt":"2010-06-06T11:46:17","guid":{"rendered":"http:\/\/morony.pl\/?p=706"},"modified":"2010-06-06T13:47:38","modified_gmt":"2010-06-06T12:47:38","slug":"sejsmograf-domowej-roboty-%e2%80%93-pierwsze-zapisy","status":"publish","type":"post","link":"https:\/\/morony.pl\/?p=706","title":{"rendered":"Sejsmograf domowej roboty \u2013 pierwsze zapisy"},"content":{"rendered":"<p>Bardzo chcia\u0142em pod\u0142\u0105czy\u0107 do komputera dwa identyczne sensory, ale okaza\u0142o si\u0119 to niewykonalne, poniewa\u017c laptop ma wej\u015bcie mikrofonowe mono. Naby\u0142em w tym celu w sklepie zewn\u0119trzn\u0105 kart\u0119 d\u017awi\u0119kow\u0105 Creative na USB z wej\u015bciem stereo line-in. Niestety zewn\u0119trzna karta w og\u00f3le nie wy\u0142apuje s\u0142abych sygna\u0142\u00f3w &#8211; podejrzewam, \u017ce producent wyposa\u017cy\u0142 j\u0105 w modu\u0142 eliminacji szum\u00f3w, kt\u00f3ry dyskwalifikuje u\u017cycie karty jako oscyloskopu. <\/p>\n<p>Zapewne po do\u0142\u0105czaniu do uk\u0142adu modu\u0142u wzmacniacza (zaraz za cewk\u0105 dla zmniejszenia szumu) pozwoli na obserwacje dwukana\u0142ow\u0105. <\/p>\n<p>W mi\u0119dzyczasie zrobi\u0142em kilka pomiar\u00f3w z jednym sensorem, poniewa\u017c czytelnicy zg\u0142osili zainteresowanie. <\/p>\n<p>Na pokazanych poni\u017cej wykresach zachowa\u0142em skal\u0119 pionow\u0105 dla wszystkich pomiar\u00f3w. Jednostki na skali pionowej nale\u017cy traktowa\u0107 jako bezwymiarowe. Na skali poziomej zapisany jest numer ramki z danego pomiaru. Mo\u017cna go przeliczy\u0107 na czas dziel\u0105c przez 11025, czyli cz\u0119stotliwo\u015b\u0107 rejestracji. Czas mo\u017ce pos\u0142u\u017cy\u0107 wy\u0142\u0105cznie do obserwacji czasu trwania sygna\u0142u. Pocz\u0105tek rejestracji mia\u0142 miejsce w momencie nie maj\u0105cym znaczenia.<\/p>\n<h3>Cz\u0142owiek<\/h3>\n<p>Mocne tupni\u0119cie w ziemie (przez podskok) wykonane przez du\u017cego cz\u0142owieka z dw\u00f3ch odleg\u0142o\u015bci: jednego i pi\u0119ciu metr\u00f3w od sensora. <\/p>\n<h4>1 metr<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human1m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human1m-300x224.png\" alt=\"\" title=\"Cz\u0142owiek, 1 metr\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-707\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human1m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human1m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h4>5 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human5m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human5m-300x224.png\" alt=\"\" title=\"Cz\u0142owiek, 5 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-708\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human5m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/human5m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h3>Ma\u0142y kamie\u0144 (ok. 10 kg)<\/h3>\n<p>Ma\u0142y kamie\u0144 zrzucany z oko\u0142o 2 metr\u00f3w na ziemi\u0119 z czterech odleg\u0142o\u015bci: pi\u0119ciu, dziesi\u0119ciu, pi\u0119tnastu i dwudziestu metr\u00f3w od sensora. <\/p>\n<h4>5 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small05m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small05m-300x224.png\" alt=\"\" title=\"Ma\u0142y kamie\u0144, 5 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-709\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small05m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small05m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h4>10 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small10m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small10m-300x224.png\" alt=\"\" title=\"Ma\u0142y kamie\u0144, 10 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-710\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small10m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small10m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h4>15 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small15m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small15m-300x224.png\" alt=\"\" title=\"Ma\u0142y kamie\u0144, 15 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-711\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small15m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small15m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h4>20 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small20m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small20m-300x224.png\" alt=\"\" title=\"Ma\u0142y kamie\u0144, 20 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-712\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small20m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/small20m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>    <\/p>\n<h3>Du\u017cy kamie\u0144 (ok. 30 kg)<\/h3>\n<p>Du\u017cy kamie\u0144 zrzucany z oko\u0142o 2 metr\u00f3w na ziemi\u0119 z dw\u00f3ch odleg\u0142o\u015bci: dwudziestu i trzydziestu pi\u0119ciu metr\u00f3w od sensora. <\/p>\n<h4>20 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big20m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big20m-300x224.png\" alt=\"\" title=\"Du\u017cy kamie\u0144, 20 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-715\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big20m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big20m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center>  <\/p>\n<h4>35 metr\u00f3w<\/h4>\n<p><center><a href=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big35m.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big35m-300x224.png\" alt=\"\" title=\"Du\u017cy kamie\u0144, 35 metr\u00f3w\" width=\"300\" height=\"224\" class=\"alignnone size-medium wp-image-716\" srcset=\"https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big35m-300x224.png 300w, https:\/\/morony.pl\/wp-content\/uploads\/2010\/06\/big35m.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/center> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bardzo chcia\u0142em pod\u0142\u0105czy\u0107 do komputera dwa identyczne sensory, ale okaza\u0142o si\u0119 to niewykonalne, poniewa\u017c laptop ma wej\u015bcie mikrofonowe mono. Naby\u0142em w tym celu w sklepie zewn\u0119trzn\u0105 kart\u0119 d\u017awi\u0119kow\u0105 Creative na USB z wej\u015bciem stereo line-in. Niestety zewn\u0119trzna karta w og\u00f3le nie wy\u0142apuje s\u0142abych sygna\u0142\u00f3w &#8211; podejrzewam, \u017ce producent wyposa\u017cy\u0142 j\u0105 w modu\u0142 eliminacji szum\u00f3w, kt\u00f3ry [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,1],"tags":[],"_links":{"self":[{"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/posts\/706"}],"collection":[{"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/morony.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=706"}],"version-history":[{"count":8,"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/posts\/706\/revisions"}],"predecessor-version":[{"id":721,"href":"https:\/\/morony.pl\/index.php?rest_route=\/wp\/v2\/posts\/706\/revisions\/721"}],"wp:attachment":[{"href":"https:\/\/morony.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/morony.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/morony.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}