{"id":1656,"date":"2021-01-18T15:18:21","date_gmt":"2021-01-18T07:18:21","guid":{"rendered":"https:\/\/bd6mm.cn\/blog\/?p=1656"},"modified":"2021-01-20T15:17:20","modified_gmt":"2021-01-20T07:17:20","slug":"approaching_amateur_satellite_communications_7__focusing_on_japanese_amateur_satellite_communications","status":"publish","type":"post","link":"https:\/\/bd6mm.cn\/blog\/2021\/01\/approaching_amateur_satellite_communications_7__focusing_on_japanese_amateur_satellite_communications.html","title":{"rendered":"\u300a\u8d70\u8fd1\u4e1a\u4f59\u536b\u661f\u901a\u4fe1\u300b\uff08\u4e03\uff09| \u805a\u7126\u65e5\u672c\u4e1a\u4f59\u536b\u661f\u901a\u4fe1"},"content":{"rendered":"

\u805a\u7126\u65e5\u672c\u4e1a\u4f59\u536b\u661f\u901a\u4fe1<\/strong><\/span><\/p>\n

\n

by Keith Baker, KB1SF\/VA3KSF, kb1sf@amsat.org<\/p>\n

\u672c\u6587\u539f\u9898\u4e3a\u300a\u805a\u7126\u65e5\u672c\u4e1a\u4f59\u536b\u661f\u300b\u53d1\u8868\u4e8e\u300a\u76d1\u6d4b\u65f6\u62a5\u300b<\/p>\n

\uff08Brasstown, NC 28902\uff09<\/p>\n<\/blockquote>\n

        \u4e4b\u524d\u7684\u7cfb\u5217\u6587\u7ae0\u4e2d\uff0c\u5411\u4e1a\u4f59\u536b\u661f\u901a\u4fe1\u7231\u597d\u8005\u5c55\u793a\u4e86\u5982\u4f55\u5b89\u88c5\u67b6\u8bbe\u81ea\u5df1\u7684\u5730\u7403\u7ad9\uff0c\u4ee5\u53ca\u89c2\u6d4b\u3001\u8ddf\u8e2a\u548c\u5b9e\u9645\u901a\u8fc7\u6211\u4eec\u5728\u8f68\u7684\u5404\u79cd\u4e1a\u4f59\u536b\u661f\u8fdb\u884c\u5de5\u4f5c\u3002\u672c\u7ae0\u5c06\u5173\u6ce8\u91cd\u70b9\u8f6c\u5411\u7531\u65e5\u672c\u5236\u9020\u3001\u53d1\u5c04\u548c\u63a7\u5236\u7684\u4e00\u7cfb\u5217\u4e1a\u4f59\u536b\u661f\u3002\u5176\u4e2d\u90e8\u5206\u536b\u661f\u76f4\u5230\u73b0\u5728\u4ecd\u7136\u7ef4\u6301\u534a\u8fd0\u4f5c\u72b6\u6001\u3002<\/p>\n

\u5bcc\u58eb\u536b\u661f<\/strong><\/span><\/p>\n

        \u65e5\u672c\u9996\u9897\u4e1a\u4f59\u536b\u661fJAS-1a(\u540e\u6765\u6210\u4e3a\u5728\u8f68\u7684Fuji-Oscar 12)\uff0c1986\u5e748\u670812\u65e5\uff0cFO-12\u4f5c\u4e3a\u642d\u8f7d\u8f7d\u8377\u7684\u4e00\u90e8\u5206\uff0c\u7531\u65e5\u672c\u56fd\u5bb6\u592a\u7a7a\u53d1\u5c55\u5c40(NASDA)\u7814\u53d1\u7684H-I\u8fd0\u8f7d\u706b\u7bad\u5728\u5176\u7b2c\u4e00\u6b21\u8bd5\u9a8c\u98de\u884c\u4efb\u52a1\u4e2d\u53d1\u5c04\u3002FO-12\u662f\u65e5\u672c\u4e1a\u4f59\u65e0\u7ebf\u7535\u8054\u76df(JARL)\u7814\u53d1\uff0c\u65e5\u672c\u7535\u6c14\u80a1\u4efd\u6709\u9650\u516c\u53f8\uff08NEC\uff09\u8fdb\u884c\u7cfb\u7edf\u8bbe\u8ba1\u548c\u96c6\u6210\u7684\u7b2c\u4e00\u9897\u65e5\u672c\u4e1a\u4f59\u536b\u661f\uff0c\u753126\u9762\u591a\u9762\u4f53\u7ec4\u6210(\u5927\u7ea6\u4e2d\u578b\u6c99\u6ee9\u7403\u7684\u5927\u5c0f\u548c\u5f62\u72b6)\uff0c\u91cd\u91cf\u7ea650\u516c\u65a4\uff0c\u88ab\u53d1\u5c04\u5230\u8fd1\u5706\u76841497\u00d71479\u516c\u91cc\u8fd1\u5730\u8f68\u9053\uff0c\u4e00\u540c\u53d1\u5c04\u7684\u8fd8\u6709\u4e00\u9897\u540d\u4e3aAJASAI(EGS)\u7684\u5927\u5730\u6d4b\u91cf\u8bd5\u9a8c\u536b\u661f\u3002\u65e5\u98df\u5bfc\u81f4FO-12\u4e0d\u80fd\u4ea7\u751f\u8db3\u591f\u7684\u7535\u529b\u8ba9\u5b83\u5728\u8f68\u65f6\u4e00\u76f4\u5f00\u542f\uff0c1989\u5e7411\u67085\u65e5\u5f53\u7535\u6c60\u635f\u574f\u65f6\u505c\u6b62\u8fd0\u884c\u3002<\/p>\n

<\/p>\n

\u56fe1 \u6280\u672f\u4eba\u5458\u5bf9JAS-1b\u53d1\u5c04\u6d41\u7a0b\u505a\u6700\u540e\u7684\u51c6\u5907\uff0c\u536b\u661f\u88c5\u6709\u7ebf\u6027\u8f6c\u53d1\u5668\uff0c\u5728\u8f68\u540e\u547d\u540dFUJI-OSCAR 20 (FO-20) (JAMSAT\u63d0\u4f9b)<\/p>\n

<\/p>\n

JAS-1b\uff08 Fuji-Oscar 20)<\/strong><\/span><\/p>\n

        \u65e5\u672c\u4e1a\u4f59\u65e0\u7ebf\u7535\u7231\u597d\u8005\u5728FO-12\u5173\u6389\u7684\u4e09\u4e2a\u6708\u540e\uff0c\u6709\u4e86\u51c6\u5907\u53d1\u5c04\u7684\u66ff\u4ee3\u661f\u30021990\u5e742\u67087\u65e5\uff0c\u7531NASDA\u63d0\u4f9b\u7684H-I\u706b\u7bad\u5c0650\u516c\u65a4\u7684JAS-1\u8fd0\u9001\u52301200\u516c\u91cc\u9ad8\u5ea6\u7684\u8f68\u9053\u3002H-I\u706b\u7bad\u540c\u65f6\u642d\u8f7d\u4e86\u4e24\u9897\u653f\u5e9c\u536b\u661fMOS-1b\u548cDebut\uff0c\u5b83\u6807\u5fd7\u7740\u65e5\u672c\u7b2c\u4e00\u6b21\u5b9e\u73b0\u4e00\u6b21\u591a\u4e8e2\u9897\u536b\u661f\u7684\u53d1\u5c04\u3002<\/p>\n

        FO-20\u6709\u8bb8\u591a\u826f\u597d\u7684\u8f68\u9053\u7279\u5f81\u3002\u5b83\u7684\u8f68\u9053\u6bd4\u5927\u591a\u6570\u7684\u4f4e\u8f68\u4e1a\u4f59\u536b\u661f\u66f4\u692d\u5706\uff0c\u53ef\u4ee5\u5728\u8fdc\u5730\u70b9\u63d0\u4f9b\u4e00\u4e2a\u66f4\u5927\u7684\u8986\u76d6\uff0c\u56e0\u6b64\uff0c\u62e5\u6709\u4e00\u4e2a\u66f4\u5927\u533a\u57df\u7684\u6f5c\u5728\u901a\u8054\u3002<\/p>\n

<\/p>\n

\u56fe2  \u5728\u8f68\u8f6c\u6001\u7684JAS-1b(FO-20) (JAMSAT\u63d0\u4f9b)<\/p>\n

\u201c\u6a21\u5f0fJ\u201d\u7684\u597d\u5904<\/strong><\/span><\/p>\n

        FO-20\u901a\u8fc7\u63d0\u5347\u8f6c\u53d1\u5668\u4e0b\u884c\u94fe\u8def\u9891\u7387\uff0c\u53d1\u5c04\u768470\u5398\u7c73\u6ce2\u957f\u4fe1\u53f7\u6709\u6548\u907f\u514d\u4e8610\u7c73\u548c2\u7c73\u6ce2\u6bb5\u56fa\u6709\u4eba\u4e3a\u566a\u58f0\u3002\u4e16\u754c\u4e0a\u7684\u8bb8\u591a\u5730\u533a\uff0c2\u7c73\u6ce2\u6bb5\u592a\u62e5\u6324\uff08\u5145\u6ee1\u4e86\u7535\u5b50\u548c\u5176\u4ed6\u566a\u58f0\uff09\uff0c\u4f7f\u5f97\u5fae\u5f31\u7684\u536b\u661f\u4fe1\u53f7\u51e0\u4e4e\u4e0d\u53ef\u80fd\u901a\u4fe1\u3002\u7c7b\u4f3c\u5e72\u6270\u5927\u90e8\u5206\u5728435 MHz\u4e0d\u5b58\u5728\uff0c\u800c\u4e1470\u5398\u7c73\u6ce2\u6bb5\u4e0d\u90a3\u4e48\u62e5\u6324\u3002\u56e0\u6b64FO-20\u4f7f\u7528\u201c\u6a21\u5f0fJ\u201d\uff082\u7c73\u4e0a\u884c\/70\u5398\u7c73\u4e0b\u884c\uff09\u8f6c\u53d1\u4fe1\u53f7\uff0c\u800c\u4e0d\u662f\u201c\u6a21\u5f0fA\u201d\uff082\u7c73\u4e0a\u884c\/10\u7c73\u4e0b\u884c\uff09\uff0c\u6216\u201c\u6a21\u5f0fB\u201d\uff0870\u5398\u7c73\u4e0a\u884c\/2\u7c73\u4e0b\u884c\uff09\u3002\u76ee\u524d\uff0cFO-20\u4e5f\u5904\u4e8e\u62a5\u5e9f\u72b6\u6001\u3002<\/p>\n

JAS-2(Fuji-Oscar 29)<\/strong><\/span><\/p>\n

<\/p>\n

\u56fe3 \u6280\u672f\u4eba\u5458\u5bf9JAS-2\u536b\u661f\u505a\u53d1\u5c04\u524d\u6700\u540e\u8c03\u6574\u3002(JAMSAT\u63d0\u4f9b)<\/p>\n

        1996\u5e748\u6708\uff0cNASDA\u5728\u65e5\u672c\u5357\u90e8\u7684\u79cd\u5b50\u5c9b\u822a\u5929\u4e2d\u5fc3\u6210\u529f\u53d1\u5c04\u7531JARL\u8bbe\u8ba1NEC\u7814\u5236\u7684JAS-2\uff0c\u5b83\u662f1996\u5e74\u7b2c\u4e00\u9897\u53d1\u5c04\u6210\u529f\u5728\u8f68\u8fd0\u884c\u7684\u4e1a\u4f59\u536b\u661f\u3002JAS-2\u6210\u529f\u8fdb\u5165\u8f68\u9053\u540e\u4e0d\u4e45\uff0cJARL\u7533\u8bf7\u4e86\u4e00\u4e2aOSCAR\u7f16\u53f7FO-29\uff0c\u5176\u642d\u8f7d\u4e00\u4e2a\u53cd\u7ebf\u6027\u5668\u548c\u5206\u7ec4\u65e0\u7ebf\u7535\u8f6c\u53d1\u5668\uff0c\u8fd8\u5305\u542b\u4f7f\u536b\u661f\u7a33\u5b9a\u5728\u4e0e\u8f68\u9053\u5e73\u9762\u5782\u76f4\u9884\u5b9a\u59ff\u6001\u7684\u78c1\u8f6c\u77e9\u7cfb\u7edf\u3002FO-29\u9664\u4e86\u7a33\u5b9a\u7cfb\u7edf\u8fd8\u6709\u5176\u4ed6\u8bb8\u591a\u7535\u5b50\u65b9\u9762\u7684\u6539\u8fdb\u3002\u6700\u660e\u663e\u7684\u662f\uff0c\u589e\u52a01200 bps\u7684 AX.25\u8c03\u5236\u89e3\u8c03\u5668\u3001BBS\u7cfb\u7edf\u548c9600\u6ce2\u7279\u7387\u7684FSK\u8f6c\u53d1\u5668\uff1b\u642d\u8f7d\u63a7\u5236\u53f0\u7528\u6765\u5b58\u50a8\u548c\u91cd\u590d\u5927\u7ea625\u79d2 \u201c\u6570\u5b57\u5bf9\u8bb2\u201d\uff0c\u7528\u6765\u5728435.91 MHz\u8c03\u9891\u4e0b\u884c\u94fe\u8def\u7684\u201c\u5e7f\u64ad\u201d\uff0c\u5f53\u201c\u6570\u5b57\u5bf9\u8bb2\u201d\u88ab\u6fc0\u6d3b\u65f6\uff0c\u8f6c\u53d1\u5668\u4f1a\u5728\u8fc7\u5883\u65f6\u6bb5\u7528\u6570\u5b57\u5316\u5973\u6027\u58f0\u97f3\u91cd\u590d\u201c\u8fd9\u91cc\u662fJAS 2\u201d \u3002\u53e6\u4e00\u4e2a\u4e0d\u592a\u660e\u663e\u7684\u6539\u8fdb\u662f\u4f7f\u7528\u6bd4\u540c\u65f6\u671f\u536b\u661f\u80fd\u6548\u7387\u66f4\u9ad8(17%)\u7684\u7837\u5316\u9553\u592a\u9633\u7535\u6c60\u3002<\/p>\n

<\/p>\n

\u56fe4  JAS-2(FO-29)\u53d7\u5176\u643a\u5e26\u7ed3\u6784\u5f71\u54cd\u800c\u88ab\u77ee\u5316\u3002\u65e5\u672c\u5728\u65e5\u672c\u5357\u90e8\u7684\u79cd\u5b50\u5c9b\u822a\u5929\u4e2d\u5fc3\u53d1\u5c04H-II\u706b\u7bad\uff0c\u6210\u529f\u5c06\u5176\u9001\u5165\u8f68\u9053\u3002(JAMSAT\u63d0\u4f9b)<\/p>\n

<\/p>\n

\u88681 FO-29\u9891\u7387\u548c\u8c03\u5236\u6a21\u5f0f<\/p>\n

        \u5728\u8f68\u8fd0\u884c\u540e\uff0c\u64cd\u4f5c\u8005\u5f00\u542f\u4e86\u201c\u6a21\u5f0fJ\u201d\u7ebf\u6027\u8f6c\u53d1\u5668\uff0c\u5e76\u5f97\u76ca\u4e8eFO-29\u4e0b\u884c\u94fe\u8def\u5929\u7ebf\u5f3a\u70c8\u7684\u5de6\u65cb\u6216\u53f3\u65cb\u5706\u6781\u5316\uff0c\u536b\u661f\u5411\u4e1a\u4f59\u7231\u597d\u8005\u63d0\u4f9b\u4e86\u975e\u5e38\u5f3a\u7684\u4e0b\u884c\u4fe1\u53f7\u3002<\/p>\n

\u7f16\u8bd1\uff1a\u5f20\u78ca  \u8d75\u54f2<\/strong><\/p>\n

\u6ce8\uff1a\u8bd1\u6587\u6240\u542b\u4fe1\u606f\u7684\u6240\u6709\u6743\u3001\u4f7f\u7528\u7b49\u5f52\u539f\u53d1\u5e03\u5e73\u53f0\u300a\u76d1\u6d4b\u65f6\u62a5\u300b\u6240\u6709\u3002\u4e2d\u6587\u7248\u53ef\u4ee5\u5728\u7f72\u540d\u201c\u56fd\u5bb6\u65e0\u7ebf\u7535\u76d1\u6d4b\u4e2d\u5fc3 \u7ffb\u8bd1\u201d\u7684\u60c5\u51b5\u4e0b\u8f6c\u8f7d\u3002<\/strong><\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u805a\u7126\u65e5\u672c\u4e1a\u4f59\u536b\u661f\u901a\u4fe1 by Keith Baker, KB1SF\/VA3KSF, kb1sf@amsat.or…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[172,1],"tags":[173],"class_list":["post-1656","post","type-post","status-publish","format-standard","hentry","category-amateur_satellite","category-amateur_radio","tag-y_y_w_x"],"_links":{"self":[{"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/posts\/1656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/comments?post=1656"}],"version-history":[{"count":0,"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/posts\/1656\/revisions"}],"wp:attachment":[{"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/media?parent=1656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/categories?post=1656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bd6mm.cn\/blog\/wp-json\/wp\/v2\/tags?post=1656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}