\n\t\u3000\u3000b\u3001\u8ba1\u7b97\u6240\u9009\u51cf\u632f\u5668\u56fa\u6709\u9891\u7387\uff1af0=(1\/2π)*√(g\/h).(\u5176\u4e2dh\u4e3a\u5f39\u7c27\u9759\u4f4d\u79fb\uff0c\u6216\u79f0\u538b\u7f29\u91cf)\u3002\u5f15\u5165 z=f\/f0\uff1b<\/div>\n
\n\t\u3000\u3000c\u3001\u7528\u5f39\u7c27\u51cf\u632f\u5668\u4e3a\u8bbe\u5907\u51cf\u632f\uff0c\u5728\u58f0\u5b66\u4e0a\u662f\u4e3b\u52a8\u9694\u632f\u95ee\u9898\uff0c\u6839\u636e\u9694\u632f\u539f\u7406\uff1a\u529b\u4f20\u9012\u7387η=√ {[1+(z\/Qm)2]\/[(1-z2)2+(z\/Qm)2]}. \u5176\u4e2dQm\u4e3a\u54c1\u8d28\u56e0\u6570\uff0cQm=wM\/R,(w=√(K\/M) \u4e3a\u5f39\u7c27\u632f\u5b50\u56fa\u6709 \u9891\u7387\uff0cM\u4e3a\u632f\u5b50\u8d28\u91cf\uff0cR\u4e3a\u963b\u529b\u7cfb\u6570)\uff0c\u6b64\u5904\u5f15\u5165\u963b\u5c3c\u6bd4D=R\/2√(KM)\uff0c\u53ef\u5f97Qm=1\/2D\uff0c\u53ef\u5f97\u529b\u4f20\u9012\u7387 η=√{[1+4D2z2]\/[(1-z2)2+4D2z2]}. \u6839\u636e\u9694\u632f\u539f\u7406z=f\/f0\uff1e√2\uff0c\u800cD\u901a\u5e38\u8f83\u5c0f\uff0c\u4e0a\u8ff0\u4f20\u9012\u7387\u516c \u5f0f\u53ef\u8fd1\u4f3c\u4e3aη=1\/(z\u5e73\u65b9-1) \u5f97\u5230\u4f20\u9012\u7387\uff0c\u4fbf\u53ef\u6839\u636e\u9694\u632f\u7387=1-\u4f20\u9012\u7387\uff0c\u5f97\u5230\u9694\u632f\u7387\u3002<\/div>\n
\n\t\u3000\u3000\u56e0\u6b64\uff0c\u76ee\u524d\u540a\u5f0f\u98ce\u673a\u5f39\u7c27\u51cf\u9707\u5668\u7684\u56fa\u6709\u9891\u7387*\u822c\u57283-4HZ\uff0c\u98ce\u673a\u8f6c\u901f*\u822c\u8d85\u8fc7\u4e861000\u8f6c\uff0c\u4ee3\u5165\u540e\u53ef \u5f97\u529b\u8f6c\u9012\u7387=0.61\uff0c\u9707\u5668\u51cf\u5c11\u98ce\u673a\u632f\u52a8\u566a\u58f0\u662f\u5b8c\u5168\u53ef\u884c\u7684\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"\u98ce\u673a\u5982\u9700\u8981\u540a\u88c5\u987b\u914d\u5907\u540a\u88c5\u94a2\u67b6\u3001\u51cf\u9707\u5f39\u7c27\u6216\u6a61\u80f6\u51cf\u9707\u57ab\uff0c\u5e76\u5fc5\u987b\u9009\u7528\u9002\u5408\u98ce\u673a\u91cd\u91cf\u540a\u6746\u540a\u88c5\uff0c\u98ce\u673a\u5e94\u5b89\u88c5\u6c34\u5e73\u5e73\u884c\uff0c\u4e0d\u5e73\u8861\u5ea6\u4e0d\u80fd\u8d852%\u3002 \u7528\u87ba\u6813\u5c06\u540a\u88c5\u56fa\u5b9a\u4ef6\u7d27\u56fa\u4e8e\u5b89\u88c5\u7a7a\u95f4\u7684*\u90e8\u3002","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[296],"class_list":["post-437","post","type-post","status-publish","format-standard","hentry","category-hyxw","tag-296"],"acf":[],"_links":{"self":[{"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/posts\/437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/comments?post=437"}],"version-history":[{"count":0,"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/posts\/437\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/media?parent=437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/categories?post=437"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.shsjjzq.com\/wp-json\/wp\/v2\/tags?post=437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}