{"id":4154,"date":"2025-05-06T16:03:11","date_gmt":"2025-05-06T08:03:11","guid":{"rendered":"http:\/\/www.efsea.com\/?post_type=dt_portfolio&p=4154"},"modified":"2025-05-07T11:57:27","modified_gmt":"2025-05-07T03:57:27","slug":"dsh-vlf%e4%be%bf%e6%90%ba%e5%bc%8f%e7%94%9a%e4%bd%8e%e9%a2%91%e7%b3%bb%e7%bb%9f","status":"publish","type":"dt_portfolio","link":"http:\/\/www.efsea.com\/?dt_portfolio=dsh-vlf%e4%be%bf%e6%90%ba%e5%bc%8f%e7%94%9a%e4%bd%8e%e9%a2%91%e7%b3%bb%e7%bb%9f","title":{"rendered":"DSH-VLF\u4fbf\u643a\u5f0f\u751a\u4f4e\u9891\u7cfb\u7edf"},"content":{"rendered":"\n

\u6b65\u884c\u5f0f\u751a\u4f4e\u9891<\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u8be5\u7cfb\u7edf\u57fa\u4e8e\u6210\u719f\u7684\u822a\u7a7a\u751a\u4f4e\u9891\u6280\u672f\u6539\u8fdb\u800c\u6210\uff0c\u53ef\u572815-30 kHz\u7684VLF\u9891\u6bb5\u5185\u76f4\u63a5\u6d4b\u91cf\u5782\u76f4\u540c\u76f8\u548c\u5f02\u76f8\u5206\u91cf(\u5360\u603b\u573a\u7684\u767e\u5206\u6bd4)\uff0c\u800c\u4f20\u7edf\u7cfb\u7edf\u901a\u5e38\u4ec5\u6d4b\u91cf\u603b\u573a\u548c\u6b63\u4ea4\u5206\u91cf\u3002\u4e0e\u822a\u7a7a\u7cfb\u7edf\u7c7b\u4f3c\uff0c\u8be5\u8bbe\u5907\u914d\u5907\u4e86\u4e24\u7ec4\u4e09\u8f74\u7ebf\u5708\u4f20\u611f\u5668\uff0c\u53ef\u540c\u65f6\u91c7\u96c6\u4e24\u4e2aVLF\u53d1\u5c04\u7ad9\u7684\u6570\u636e\uff0c\u65e0\u9700\u8c03\u6574\u4f20\u611f\u5668\u65b9\u5411\u6216\u4e2d\u9014\u505c\u987f\u3002<\/p>\n\n\n\n

\"\"
3 \u4e2a\u8f7b\u578b\u6b63\u4ea4\u7a7a\u6c14\u7ebf\u5708\u53ef\u964d\u4f4e\u566a\u97f3\uff0c\u5e76\u53ef\u6536\u96c6\u771f\u5b9e\u7684\u540c\u76f8\u548c\u6b63\u4ea4\u6570\u636e<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n

DSH-VLF\u8fd8\u53ef\u5bf9\u751a\u4f4e\u9891\u4f20\u611f\u5668\u7684\u503e\u659c\u6c34\u5e73\u8fdb\u884c\u6821\u6b63\uff0c\u4e0e\u6c34\u5e73\u9762\u7684\u6700\u5927\u504f\u5dee\u4e3a25\u00b0\uff0c\u6b64\u5916\u8fd8\u53ef\u8bb0\u5f55\u4fef\u4ef0\u3001\u6eda\u52a8\u548c\u504f\u822a\u6d4b\u91cf\u503c\u3002<\/p>\n\n\n\n

VLF\u52d8\u6d4b\u65b9\u6cd5\u662f\u4e00\u79cd\u65e0\u6e90\u7684\u7535\u78c1\u6d4b\u91cf\uff0c\u5229\u7528\u4f4d\u4e8e\u8fdc\u65b9\u5168\u7403\u56fa\u5b9a\u4f4d\u7f6e\u751a\u4f4e\u9891\u53d1\u5c04\u57fa\u7ad9\u53d1\u5c04\u51fa\u7684\u751a\u4f4e\u9891\u7535\u78c1\u6ce2\u4fe1\u53f7(\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u5728\u53d1\u5c04\u57fa\u7ad9\u7a00\u5c11\u7684\u5730\u533a\u4e5f\u53ef\u4ee5\u4f7f\u7528\u79c1\u4eba\/\u5b9a\u5236\u53d1\u5c04\u5668)\u3002\u5728VLF\u52d8\u6d4b\u4e2d\uff0c\u6d4b\u91cf\u53d1\u5c04\u4fe1\u53f7\u7684\u78c1\u573a\u5206\u91cf\uff0c\u8fd9\u4e9b\u5206\u91cf\u53d7\u5230\u5f53\u5730\u5730\u5c42\u6761\u4ef6\u7684\u5f71\u54cd\uff0c\u8fd9\u4e9b\u751a\u4f4e\u9891\u7535\u78c1\u4fe1\u53f7\u6295\u5c04\u5230\u5730\u4e0b\u57cb\u85cf\u7684\u5bfc\u4f53\u7269\u8d28\u4e0a\u5e76\u4ea7\u751f\u7535\u78c1\u611f\u5e94\u3002\u7528VLF\u7535\u78c1\u6cd5\u4eea\u89c2\u6d4b\u8fd9\u79cd\u611f\u5e94\u4fe1\u53f7\u5e76\u5c06\u5176\u8bb0\u5f55\u4e0b\u6765\uff0c\u4ee5\u5bfb\u627e\u5730\u4e0b\u76ee\u6807\u5bfc\u4f53\u3002<\/p>\n\n\n\n

\u5e94\u7528\u6709\u5f88\u591a\uff1a<\/p>\n\n\n\n

– \u7535\u963b\u7387\u6210\u50cf\u548c\u57fa\u5ca9\u6d4b\u7ed8<\/p>\n\n\n\n

– \u5212\u5206\u6df1\u5c42\u5bfc\u7535\u7387\u5bf9\u6bd4<\/p>\n\n\n\n

– \u7ed8\u5236\u5730\u8d28\u63a5\u89e6\u3001\u65ad\u5c42\u56fe<\/p>\n\n\n\n

– \u5bfb\u627e\u77ff\u5316\u4f53<\/p>\n\n\n\n

– \u6c34\u52d8\u63a2<\/p>\n\n\n\n

\"\"
\u540c\u76f8\u548c\u6b63\u4ea4\u751a\u4f4e\u9891\u6570\u636e<\/strong>
 \uff08\u53d1\u5c04\u5668 24.0 \u5343\u8d6b\u3002\u5361\u7279\u52d2\u7f05\u56e0\u5dde\uff0c\u6570\u636e\u7528\u4e8e\u5236\u4f5c\u4e0a\u8ff0\u7535\u963b\u7387\u5256\u9762\u56fe)<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n

\u4e3a\u4ec0\u4e48\u4f7f\u7528 VLF<\/strong><\/strong><\/p>\n\n\n\n

\u81ea1964\u5e74\u4ee5\u6765\uff0cVLF\u52d8\u6d4b\u4e00\u76f4\u88ab\u7528\u4e8e\u4f5c\u4e3a\u53d1\u73b0\u5927\u578b\u7ebf\u6027\u4f20\u5bfc\u7279\u5f81\u7684\u5feb\u901f\u624b\u6bb5\uff0c\u4e3a\u5730\u8d28\u6d4b\u7ed8\u63d0\u4f9b\u6709\u5173\u5730\u4e0b\u4fe1\u606f\u3002\u5927\u9762\u79ef\u52d8\u6d4b\u63d0\u4f9b\u4e86\u533a\u57df\u7ed3\u6784\u4fe1\u606f\uff0c\u4f46\u7531\u4e8e\u7f3a\u4e4f\u5b9a\u91cf\u4fe1\u606f\uff0c\u5982\u7ed3\u6784\u6df1\u5ea6\u4fe1\u606f\uff0c\u6240\u4ee5\u8fd9\u79cd\u65b9\u6cd5\u4ee5\u524d\u672a\u88ab\u5e7f\u6cdb\u5e94\u7528\uff0c\u76f4\u5230\u6700\u8fd1\u624d\u88ab\u91cd\u65b0\u91cd\u89c6\u8d77\u6765\u30022007 \u5e74\uff0c\u745e\u5178\u5730\u8d28\u8c03\u67e5\u5c40\u8bc1\u5b9e\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5feb\u901f\u6709\u6548\u5730\u6536\u96c6\u751a\u4f4e\u9891\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u6df1\u5ea6\u8fbe 100m\u7684\u6781\u4f73\u7ed3\u6784\u548c\u7535\u963b\u7387\u4fe1\u606f\uff0c\u7406\u8bba\u4e0a\u6df1\u5ea6\u53ef\u8fbe 200m\u4ee5\u4e0a\u3002\u6b63\u786e\u6536\u96c6\u751a\u4f4e\u9891\u6570\u636e\u7684\u6280\u672f\u4ee5\u53ca\u8ba1\u7b97\u673a\u6280\u672f\u548c\u6570\u5b66\u53cd\u6f14\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u4e3a\u8be5\u884c\u4e1a\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5bf9\u5730\u4e0b100m\u6df1\u7535\u963b\u7387\u4fe1\u606f\u8fdb\u884c\u6210\u50cf\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u6210\u672c\u6548\u76ca\u3002<\/p>\n\n\n\n

\u575a\u56fa\u8010\u7528\u5730\u68ee\u6d77\u516c\u53f8\u591a\u9891\u7387DSH-VLF\u7cfb\u7edf\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u4ee5\u975e\u5e38\u7ecf\u6d4e\u6709\u6548\u7684\u65b9\u5f0f\u6536\u96c6\u6709\u610f\u4e49\u7684\u7535\u963b\u7387\u4fe1\u606f\u3002\u6b64\u5916\uff0cVLF\u7cfb\u7edf\u8fd8\u53ef\u4e0e\u5730\u68ee\u6d77\u516c\u53f8\u78c1\u529b\u4eea\u8f7b\u677e\u7ec4\u5408\uff0c\u4ee5\u4fbf\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u5730\u4e0b\u60c5\u51b5\u3002<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u5730\u68ee\u6d77\/VLF\u8f6f\u4ef6\u00a0– \u751a\u4f4e\u9891\u7535\u963b\u7387\u6cd5<\/strong><\/p>\n\n\n\n

\u5730\u68ee\u6d77\u4f7f\u7528VLF\u8f6f\u4ef6\u5e73\u53f0\uff0c\u8be5\u5e73\u53f0\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u591a\u9891\u751a\u4f4e\u9891\u7535\u78c1(VLF-EM)\u6570\u636e\u7684\u4e8c\u7ef4\u53cd\u6f14\u529f\u80fd\u3002<\/p>\n\n\n\n

\u8f6f\u4ef6\u5305\u5305\u542b\u4ee5\u4e0b\u6a21\u5757:<\/p>\n\n\n\n

\u5730\u56fe\u6a21\u5757:\u7528\u4e8e\u5c55\u793a\u52d8\u63a2\u6570\u636e\u3001\u9009\u62e9\u53cd\u6f14\u5256\u9762\u53ca\u663e\u793a\u52d8\u63a2\u7ed3\u679c;<\/p>\n\n\n\n

\u5efa\u6a21\u7814\u7a76\u529f\u80fd:\u7528\u6237\u53ef\u6784\u5efa\u590d\u6742\u7535\u963b\u7387\u6a21\u578b\uff0c\u5e76\u8ba1\u7b97\u5176\u5bf9\u5e94\u7684\u751a\u4f4e\u9891\u7535\u78c1\u54cd\u5e94\u3002<\/p>\n\n\n\n

\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n

– 2d \u7535\u963b\u7387\u5256\u9762<\/p>\n\n\n\n

– \u7535\u963b\u7387\u6df1\u5ea6\u5e73\u9762\u5207\u7247<\/p>\n\n\n\n

– \u6b63\u6f14\u5efa\u6a21<\/p>\n\n\n\n

– Fraser \u6ee4\u6ce2\u5668<\/p>\n\n\n\n

– Karous-Hjelt \u6ee4\u6ce2\u5668\uff08\u7535\u6d41\u5bc6\u5ea6\u5256\u9762\uff09<\/p>\n\n\n\n

\"\"
VLF \u4e8c\u7ef4\u53cd\u6f14\u8f6f\u4ef6\u754c\u9762<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n

\u89c4\u683c<\/strong><\/strong><\/p>\n\n\n\n

VLF\u9891\u7387\uff1a15.0-30.0 kHz\uff0c\u652f\u6301\u540c\u65f6\u9009\u62e92\u4e2a\u53d1\u5c04\u7ad9<\/p>\n\n\n\n

\u6d4b\u91cf\u53c2\u6570\uff1a\u5782\u76f4\u540c\u76f8\/\u5f02\u76f8\u5206\u91cf(\u5360\u603b\u573a\u767e\u5206\u6bd4)\u6c34\u5e73\u573a\u632f\u5e45\u76842\u4e2a\u5206\u91cf\u53ca\u603b\u573a\u5f3a\u5ea6(\u5355\u4f4d:pT)<\/p>\n\n\n\n

\u5206\u8fa8\u7387\uff1a\u5bf9\u4e8e 5 pT \u6216\u66f4\u5f3a\u7684\u751a\u4f4e\u9891\u573a\uff0c\u4e3a\u603b\u573a\u7684 0.1%<\/p>\n\n\n\n

\u6027\u80fd<\/strong><\/strong><\/p>\n\n\n\n

\u5de5\u4f5c\u6e29\u5ea6\uff1a-40\u00b0C \u81f3 +50\u00b0C<\/p>\n\n\n\n

\u5c3a\u5bf8<\/strong><\/strong><\/p>\n\n\n\n

\u4f20\u611f\u5668\uff1a14 x 15 x 9 cm<\/p>\n\n\n\n

\u63a7\u5236\u53f0\uff1a22.3 x 6.9 x 2.4cm<\/p>\n\n\n\n

\u91cd\u91cf<\/strong><\/strong><\/p>\n\n\n\n

\u4f20\u611f\u5668\uff1a2.0 kg<\/p>\n\n\n\n

\u5e26\u76ae\u5e26\u7684\u63a7\u5236\u53f0\uff1a2.1 kg<\/p>\n\n\n\n

\u6807\u51c6\u7ec4\u4ef6<\/strong><\/strong><\/p>\n\n\n\n

DSH-VLF\u63a7\u5236\u53f0\u3001\u914d\u5957\u8f6f\u4ef6\u3001\u7535\u6c60\u3001\u7ebf\u675f\u3001\u5145\u7535\u5668\u30012\u4e2aVLF \u4f20\u611f\u5668\uff08\u5e26\u7535\u7f06\u3001RS-232 \u7535\u7f06\u548cUSB\u9002\u914d\u5668\uff09\u3001\u4f7f\u7528\u8bf4\u660e\u4e66\u548c\u8fd0\u8f93\u7bb1\u3002<\/p>\n\n\n\n

\u5b58\u50a8\uff1a <\/strong><\/strong><\/p>\n\n\n\n

\u81ea\u52a8\u5b58\u50a8\uff1a\u6bcf\u4e2a\u9009\u5b9a\u7ad9\u70b9\u7684\u65f6\u95f4\u3001\u5750\u6807\u3001\u5761\u5ea6\u3001\u7535\u78c1\u573a\u3001\u9891\u7387\u3001\u540c\u76f8\u548c\u5f02\u76f8\u5782\u76f4\u5206\u91cf\u4ee5\u53ca\u4e24\u4e2a\u6c34\u5e73\u5206\u91cf\u3002<\/p>\n\n\n\n

\u8f93\u5165\/\u8f93\u51fa\uff1a<\/strong><\/strong><\/p>\n\n\n\n

RS-232 \u8f93\u51fa\uff0c\u4f7f\u75286\u9488\u8fde\u63a5\u5668\uff0c\u5e26USB\u9002\u914d\u5668\uff0c\u6570\u636e\u4ee5\u6807\u51c6 XYZ\uff08\u5373\u9762\u5411\u7ebf\u6761\uff09\u683c\u5f0f\u5bfc\u51fa\uff0c\u4fbf\u4e8e\u5728\u6807\u51c6\u5546\u4e1a\u8f6f\u4ef6\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002<\/p>\n\n\n\n

\u9009\u9879\uff1a<\/strong><\/strong><\/p>\n\n\n\n

VLF \u6570\u636e\u5904\u7406\u8f6f\u4ef6<\/p>\n\n\n\n

\u6807\u51c6 GPS \u9009\u9879 B\uff1a<\/p>\n\n\n\n

– 0.7 SBAS\uff08WAAS\u3001EGNOS\u3001MSAS\uff09<\/p>\n\n\n\n

\u9ad8\u5206\u8fa8\u7387 GPS \u9009\u9879\uff1a4cm<\/p>\n\n\n\n

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

\u6b65\u884c\u5f0f\u751a\u4f4e\u9891
\n\u8be5\u7cfb\u7edf\u57fa\u4e8e\u6210\u719f\u7684\u822a\u7a7a\u751a\u4f4e\u9891\u6280\u672f\u6539\u8fdb\u800c\u6210\uff0c\u53ef\u572815-30 kHz\u7684VLF\u9891\u6bb5\u5185\u76f4\u63a5\u6d4b\u91cf\u5782\u76f4\u540c\u76f8\u548c\u5f02\u76f8\u5206\u91cf(\u5360\u603b\u573a\u7684\u767e\u5206\u6bd4)\uff0c\u800c\u4f20\u7edf\u7cfb\u7edf\u901a\u5e38\u4ec5\u6d4b\u91cf\u603b\u573a\u548c\u6b63\u4ea4\u5206\u91cf\u3002\u4e0e\u822a\u7a7a\u7cfb\u7edf\u7c7b\u4f3c\uff0c\u8be5\u8bbe\u5907\u914d\u5907\u4e86\u4e24\u7ec4\u4e09\u8f74\u7ebf\u5708\u4f20\u611f\u5668\uff0c\u53ef\u540c\u65f6\u91c7\u96c6\u4e24\u4e2aVLF\u53d1\u5c04\u7ad9\u7684\u6570\u636e\uff0c\u65e0\u9700\u8c03\u6574\u4f20\u611f\u5668\u65b9\u5411\u6216\u4e2d\u9014\u505c\u987f\u3002<\/p>\n","protected":false},"author":1,"featured_media":4155,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[27,29,33],"dt_portfolio_tags":[],"_links":{"self":[{"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/dt_portfolio\/4154"}],"collection":[{"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.efsea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4154"}],"version-history":[{"count":2,"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/dt_portfolio\/4154\/revisions"}],"predecessor-version":[{"id":4168,"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/dt_portfolio\/4154\/revisions\/4168"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.efsea.com\/index.php?rest_route=\/wp\/v2\/media\/4155"}],"wp:attachment":[{"href":"http:\/\/www.efsea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4154"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.efsea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fdt_portfolio_category&post=4154"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.efsea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fdt_portfolio_tags&post=4154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}