GPS\u3092\u88dc\u5b8c\u3057\u7cbe\u5ea6\u3092\u3042\u3052\u308b\u305f\u3081\u306e\u885b\u661f\uff08\u6e2c\u4f4d\u885b\u661f\uff09\u3092\u307f\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u300c\u307f\u3061\u3073\u304d\u300d\u304c\u3064\u304f\u3063\u3066\u3044\u307e\u3059\u3002\u5e38\u6642\u6570\u5341\u500b\u306e\u885b\u661f\u304c\u3044\u308b\u3053\u3068\u306b\u9a5a\u304d\u307e\u3059\u3002\u65e5\u672c\u4e0a\u7a7a\u306f\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u30a2\u30d5\u30ea\u30ab\u3084\u5357\u7c73\u3067\u3082\u76f8\u5f53\u306a\u6570\u304c\u98db\u3093\u3067\u3044\u307e\u3059\u3002
\nhttps:\/\/app.qzss.go.jp\/GNSSView\/gnssview.html
\n\u885b\u661f\u306e\u4f4d\u7f6e\u306f\u5730\u4e0a\u306e\u76e3\u8996\u5c40\u3068\u3044\u3046\u306e\u304c\u6e2c\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u65e5\u672c\u306f\u3064\u304f\u3070\u306bGEONET\u4e2d\u592e\u5c40\u3068\u3044\u3046\u306e\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u7ba1\u8f44\u306f\u56fd\u571f\u5730\u7406\u9662\u3001\u306a\u308b\u307b\u3069\u3068\u601d\u3044\u307e\u3057\u305f\u3002
\nhttps:\/\/www.gsi.go.jp\/denshi\/denshi_38136.html
\ncm\u307e\u3067\u7cbe\u5ea6\u3092\u3042\u3052\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3082\u4f5c\u3089\u308c\u904b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002ppp\u3068\u3044\u3046\u305d\u3046\u3067\u3059\u3002
\nhttps:\/\/qzss.go.jp\/overview\/services\/sv13_madoca.html
\n\u9375\u306f\u3001\u56fd\u571f\u5730\u7406\u9662\u306e\u4e09\u89d2\u70b9\u306e\u4e00\u90e8\uff081300\u304b\u6240\uff09\u306b\u4f75\u8a2d\u3055\u308c\u305f\u300c\u96fb\u5b50\u57fa\u6e96\u70b9\uff08\u885b\u661f\u306e\u96fb\u6ce2\u3092\u53d7\u3051\u3066\u885b\u661f\u3068\u81ea\u3089\u306e\u4f4d\u7f6e\u3068\u96fb\u96e2\u5c64\u306e\u5f71\u97ff\u3092\u6e2c\u3063\u3066\u3044\u308b\uff09\u300d\u3092\u4f7f\u3046\u3053\u3068\u3001\u8907\u6570\u306e\u96fb\u6ce2\u3092\u96fb\u96e2\u5c64\u306e\u5f71\u97ff\uff08\u96fb\u6ce2\u306e\u901f\u5ea6\u304c\u5909\u308f\u308b\uff09\u3092\u88dc\u6b63\u3059\u308b\u3053\u3068\u306e\u307b\u304b\u306b\u3001\u4fe1\u53f7\u3092\u4e57\u305b\u308b1.1\uff5e1.5GHz\u306e\u642c\u9001\u6ce2\u306e\u4f4d\u76f8\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u304b\u3089\u3001\u9a5a\u304d\u3067\u3059\u3002\u642c\u9001\u6ce2\u306e\u4f4d\u76f8\u3092\u4f7f\u3046\u306e\u306f\u96fb\u6ce2\u671b\u9060\u93e1\u306e\u8907\u6570\u306e\u30d1\u30e9\u30dc\u30e9\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5927\u304d\u306a\u30d1\u30e9\u30dc\u30e9\u3068\u540c\u69d8\u306b\u50cd\u304b\u305b\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3067\u767a\u660e\u3055\u308c\u305f\u539f\u7406\u3092\u4f7f\u3046\u306e\u3067\u3057\u3087\u3046\u30021\u79d2\u306b10\u5104\u56de\u5909\u5316\u3059\u308b\u96fb\u5834\u30d9\u30af\u30c8\u30eb\u306e\u5411\u304d\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u691c\u51fa\u3059\u308b\u306e\u3067\u3001\u96fb\u5b50\u56de\u8def\u3068\u3057\u3066\u9762\u767d\u3044\u3067\u3059\u3002
\nppp\u6280\u8853\u306e\u53d7\u4fe1\u5668\u306f\u643a\u5e2f\u96fb\u8a71\u3067\u306f\u3060\u3081\u3067\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u30a2\u30f3\u30c6\u30ca\u304c\u5fc5\u8981\u3060\u305d\u3046\u3067\u3059\u3002\u5efa\u8a2d\u6a5f\u68b0\u3084\u8fb2\u6a5f\u306e\u7121\u4eba\u904b\u8ee2\u304c\u5fdc\u7528\u5148\u3068\u306e\u3053\u3068\u3002\u672a\u6765\u3060\u3068\u601d\u3063\u3066\u3044\u305f\u6280\u8853\u304c\u3059\u3050\u305d\u3053\u306b\u3084\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u306d\u3002
\nhttps:\/\/www.magellan.jp\/fundamental\/115<\/p>\n
\u82f1\u8a9e\u306f\u3000https:\/\/novatel.com\/an-introduction-to-gnss\/basic-concepts\/propagation
\nGeospatial Information Authority of Japan (GSI) \u56fd\u571f\u5730\u7406\u9662\u3000\u306e\u82f1\u8a33\u3067\u3059\u3002
\nionosphere \u96fb\u96e2\u570f
\nGNSS\uff1dglobal navigation satellite system \u885b\u661f\u6e2c\u4f4d\u30b7\u30b9\u30c6\u30e0
\n“Light travels in a straight line only in a vacuum or through a perfectly homogeneous medium. Just as a straw is seemingly \u201cbent\u201d in a glass of water, radio signals from the satellite are bent as they pass through the Earth\u2019s atmosphere. This \u201cbending\u201d increases the amount of time the signal takes to travel from the satellite to the receiver.”
\nhomogeneous \u30db\u30e2\u300c\u30b8\u300d\u30fc\u30cb\u30a2\u30b9\u3000\u4e00\u69d8\u306a
\nmedium \u5a92\u8cea
\nbent \u66f2\u304c\u3063\u305f
\n\u201d Ionospheric delays are frequency dependent, so by calculating the range using two frequencies (such as L1 and L2), the receiver can resolve the effect of the ionosphere by comparing the propagation time between the two frequencies.\u201d
\npropagate \u30d7\u300c\u30ed\u300d\u30d1\u30b2\u30a4\u30c8\u3000\u4f1d\u642c\u3059\u308b
\n“Tropospheric delay is a function of local temperature, pressure and relative humidity. ”
\ntroposphere \u5bfe\u6d41\u570f
\n\u201dSome of the signal energy transmitted by the satellite is reflected on the way to the receiver This phenomenon is referred to as \u201cmultipath propagation.\u201d
\nmultipath propagation \u591a\u91cd\u4f1d\u642c<\/p>\n","protected":false},"excerpt":{"rendered":"
GPS\u3092\u88dc\u5b8c\u3057\u7cbe\u5ea6\u3092\u3042\u3052\u308b\u305f\u3081\u306e\u885b\u661f\uff08\u6e2c\u4f4d\u885b\u661f\uff09\u3092\u307f\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u300c\u307f\u3061\u3073\u304d\u300d\u304c\u3064\u304f\u3063\u3066\u3044\u307e\u3059\u3002\u5e38\u6642\u6570\u5341\u500b\u306e\u885b\u661f\u304c\u3044\u308b\u3053\u3068\u306b\u9a5a\u304d\u307e\u3059\u3002\u65e5\u672c\u4e0a\u7a7a\u306f\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u30a2\u30d5\u30ea\u30ab\u3084\u5357\u7c73\u3067\u3082\u76f8\u5f53\u306a\u6570\u304c\u98db\u3093\u3067\u3044\u307e\u3059\u3002 https:\/\/app.qzss.go.jp\/GNSSView\/gnssview.html \u885b\u661f\u306e\u4f4d\u7f6e\u306f\u5730\u4e0a\u306e\u76e3\u8996\u5c40\u3068\u3044\u3046\u306e\u304c\u6e2c\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u65e5\u672c\u306f\u3064\u304f\u3070\u306bGEONET\u4e2d\u592e\u5c40\u3068\u3044\u3046\u306e\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u7ba1\u8f44\u306f\u56fd\u571f\u5730\u7406\u9662\u3001\u306a\u308b\u307b\u3069\u3068\u601d\u3044\u307e\u3057\u305f\u3002 https:\/\/www.gsi.go.jp\/denshi\/denshi_38136.html cm\u307e\u3067\u7cbe\u5ea6\u3092\u3042\u3052\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3082\u4f5c\u3089\u308c\u904b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002pp…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[48,42],"tags":[11,5],"class_list":["post-2098","post","type-post","status-publish","format-standard","hentry","category-spaceandearth","category-tech","tag-spaceandearth","tag-tech"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2098"}],"version-history":[{"count":0,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2098\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}