{"id":37,"date":"2018-04-24T11:42:03","date_gmt":"2018-04-24T02:42:03","guid":{"rendered":"http:\/\/ps2.ddns.net\/press\/?p=37"},"modified":"2021-04-09T10:26:01","modified_gmt":"2021-04-09T01:26:01","slug":"fl2k%e3%81%a7gps-sdr-sim","status":"publish","type":"post","link":"https:\/\/rfsec.ddns.net\/db\/?p=37","title":{"rendered":"fl2k\u3067gps-sdr-sim"},"content":{"rendered":"\n<p><strong>osmo-fl2k\u3067\u751f\u6210\u3057\u305fGPS\u4fe1\u53f7\u306e\u5468\u6ce2\u6570\u88dc\u6b63<\/strong><\/p>\n\n\n\n<p>osmo-fl2k\u306b\u306f\u3001fl2k_test\u30b3\u30de\u30f3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u3001\u5b9f\u884c\u3059\u308b\u3068\uff11\uff10\u79d2\u9593\u9694\u3067PPM\u30a8\u30e9\u30fc\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>$ fl2k_test<\/strong>\nKernel mass storage driver is attached, detaching driver. This may take more than 10 seconds!\nReporting PPM error measurement every 10 seconds...\nPress ^C after a few minutes.\nreal sample rate: 99647567 current PPM: -3524 cumulative PPM: -3524\nreal sample rate: 99909730 current PPM: -903 cumulative PPM: -2187\nreal sample rate: 99976679 current PPM: -233 cumulative PPM: -1527\nreal sample rate: 99994151 current PPM: -58 cumulative PPM: -1156\nreal sample rate: 100001137 current PPM: 11 cumulative PPM: -921\nreal sample rate: 100003392 current PPM: 34 cumulative PPM: -761\nreal sample rate: 100007238 current PPM: 72 cumulative PPM: -641<\/code><\/pre>\n\n\n\n<p><br>\u3053\u308c\u306f\u3001USB-VGA\u30c7\u30d0\u30a4\u30b9\u3092\u63a5\u7d9a\u3057\u305f\u76f4\u5f8c\u306e\u5b9f\u884c\u4f8b\u3067\u3059\u304c\u3001\u304b\u306a\u308a\u5909\u52d5\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u8a66\u3059\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u5b89\u5b9a\u3057\u3066\u304d\u307e\u3059\u3002\uff08\u305f\u3060\u3057\u3001CPU\u306e\u8ca0\u8377\u306b\u3088\u308b\u5f71\u97ff\u3082\u3042\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u30c6\u30b9\u30c8\u4e2d\u306f\u3001\u8ca0\u8377\u306e\u91cd\u3044\u30d7\u30ed\u30bb\u30b9\u306e\u8d77\u52d5\u306f\u907f\u3051\u305f\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3001\u3001\u3001\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ fl2k_test\nReporting PPM error measurement every 10 seconds...\nPress ^C after a few minutes.\nreal sample rate: 100006806 current PPM: 68 cumulative PPM: 68\nreal sample rate: 100006831 current PPM: 68 cumulative PPM: 68\nreal sample rate: 100007186 current PPM: 72 cumulative PPM: 69\nreal sample rate: 100005995 current PPM: 60 cumulative PPM: 67<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u5024\u3092\uff08\u5e73\u5747\u5024\u306a\u3069\uff09\u3001\u30d5\u30ed\u30fc\u30b0\u30e9\u30d5\u306e\u5909\u6570 ID:ppm\u3078\u30bb\u30c3\u30c8\u3057\u3001ID:out_rate\u306b\u8868\u793a\u3055\u308c\u308b\uff08\u3053\u306e\u4f8b\u3067\u306f138.01e6)\u3092 fl2k_file\u3067\u9001\u4fe1\u3059\u308b\u969b\u306e\u30b5\u30f3\u30d7\u30eb\u30f3\u30b0\u5468\u6ce2\u6570\u306b\u30bb\u30c3\u30c8\u3057\u305f\u3068\u3053\u308d\u3001GSP\u53d7\u4fe1\u6a5f\u3067fix\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>$fl2k_file -s 138.01e6\u00a0 \u30d5\u30a1\u30a4\u30eb\u540d<br>\u5b89\u5b9a\u5ea6\u306a\u3069\u306e\u554f\u984c\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001GPS-SDR-SIM\u3068USB-VGA\u30a2\u30c0\u30d7\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3001\u8d85\u5b89\u4fa1\u306aGPS\u4fe1\u53f7\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u304c\u5b9f\u73fe\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-cover has-background-dim\" style=\"min-height:347px;aspect-ratio:unset;\"><img decoding=\"async\" class=\"wp-block-cover__image-background\" alt=\"\" src=\"https:\/\/livedoor.blogimg.jp\/mars_999\/imgs\/a\/3\/a3060647-s.png\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<p><strong>\u5b9f\u884c\u4e2d\u306e\u52d5\u753b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"osmo-fl2k_gps-sdr- sim\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/Rdwg_0aSsp0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>osmo-fl2k\u3067\u751f\u6210\u3057\u305fGPS\u4fe1\u53f7\u306e\u5468\u6ce2\u6570\u88dc\u6b63 osmo-fl2k\u306b\u306f\u3001fl2k_test\u30b3\u30de\u30f3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u3001\u5b9f\u884c\u3059\u308b\u3068\uff11\uff10\u79d2\u9593\u9694\u3067PPM\u30a8\u30e9\u30fc\u3092\u8868\u793a\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u3001USB-VGA\u30c7\u30d0\u30a4\u30b9\u3092\u63a5\u7d9a\u3057\u305f\u76f4\u5f8c\u306e\u5b9f\u884c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-37","post","type-post","status-publish","format-standard","hentry","category-radio"],"featured_image_src":null,"author_info":{"display_name":"mars","author_link":"https:\/\/rfsec.ddns.net\/db\/?author=1"},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=37"}],"version-history":[{"count":1,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/37\/revisions"}],"predecessor-version":[{"id":53,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/37\/revisions\/53"}],"wp:attachment":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}