{"id":1439,"date":"2025-12-02T10:35:29","date_gmt":"2025-12-02T02:35:29","guid":{"rendered":"http:\/\/www.ftune.com.cn\/?p=1439"},"modified":"2026-02-09T16:00:18","modified_gmt":"2026-02-09T08:00:18","slug":"%e9%87%8f%e5%ad%90%e9%a2%91%e6%a0%87","status":"publish","type":"post","link":"http:\/\/www.ftune.com.cn\/en\/%e9%87%8f%e5%ad%90%e9%a2%91%e6%a0%87\/","title":{"rendered":"quantum frequency marker (computing)"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1463\" height=\"252\" src=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13.png\" alt=\"\" class=\"wp-image-1636\" srcset=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13.png 1463w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13-300x52.png 300w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13-150x26.png 150w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13-768x132.png 768w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13-18x3.png 18w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u56fe\u72472-13-468x81.png 468w\" sizes=\"auto, (max-width: 1463px) 100vw, 1463px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 1.2em;\">\n    <strong>Quantum Time and Frequency Measurement<\/strong>\n<\/h3>\n\n\n\n<p><p style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 1.2em; text-indent: 2em;\">\n    It plays an indispensable and important role in national economic and defense development. It is applied in scenarios such as timekeeping and time dissemination, military defense, Beidou navigation, financial settlement, power grid synchronization, and communication systems. The limitations of traditional microwave atomic clocks: it is difficult to achieve both high accuracy and stability in frequency.\n<\/p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 1.2em;\">\n    <strong>Project Overview \u2014 Major Technical Breakthroughs<\/strong>\n<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 0.5em; text-indent: 0;\">\n        Proposed and realized a laser-cooled cadmium ion microwave clock, which is both accurate and stable.\n    <\/li>\n\n\n\n<li style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 0.5em; text-indent: 0;\">\n        Four innovations, breakthroughs in four key technologies.\n    <\/li>\n\n\n\n<li style=\"font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin-bottom: 0.5em; text-indent: 0;\">\n        Technical Level: World-class, internationally leading!\n    <\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"183\" height=\"187\" src=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/kappframework-HkVSUL11.png\" alt=\"\" class=\"wp-image-1440\" style=\"width:229px;height:auto\" srcset=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/kappframework-HkVSUL11.png 183w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/kappframework-HkVSUL11-176x180.png 176w\" sizes=\"auto, (max-width: 183px) 100vw, 183px\" \/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1206\" height=\"1161\" src=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491.jpg\" alt=\"\" class=\"wp-image-1530\" style=\"aspect-ratio:1.0387736699729486;width:675px;height:auto\" srcset=\"http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491.jpg 1206w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491-300x289.jpg 300w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491-150x144.jpg 150w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491-768x739.jpg 768w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491-12x12.jpg 12w, http:\/\/www.ftune.com.cn\/wp-content\/uploads\/2025\/12\/\u9891\u6807_20251208175530_433_491-187x180.jpg 187w\" sizes=\"auto, (max-width: 1206px) 100vw, 1206px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Quantum time-frequency metrology in the country ...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[],"class_list":["post-1439","post","type-post","status-publish","format-standard","hentry","category-57"],"_links":{"self":[{"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/posts\/1439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/comments?post=1439"}],"version-history":[{"count":6,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/posts\/1439\/revisions"}],"predecessor-version":[{"id":1898,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/posts\/1439\/revisions\/1898"}],"wp:attachment":[{"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/media?parent=1439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/categories?post=1439"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ftune.com.cn\/en\/wp-json\/wp\/v2\/tags?post=1439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}