天气预报 > 其他 > 品质因数有何应用
品质因数有何应用
更新时间: 2020-10-29 00:00:00  

品质因数常用于表征一个储bai能du器件(如电zhi感线圈、电容等)、谐振电路所储能量同每周损耗能量之比的一种质量指标。元件的Q值愈大,用该元件组成的电路或网络的选择性愈佳。电抗元件的Q值等于它的电抗同等效串联电阻的比值。品质因数是振荡回路的一个重要参数,品质因数月高,谐振曲线就越尖锐,说明回路选择性越好!

关键词: 品质 因数 应用

品质因数有何应用相关经验

天气预报

最新推荐

页面:/news/view-702411/ | 耗时:0.1158 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=702411 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=702411 LIMIT 0,1
select * from tbl_Articles_sphinx where id=702411 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1045943,302274,203276,287876,1128775,1127039,1096354,478045,159765,1131933,703298,1127463,1125399,1080805,3058820,1117892,1131315,1085062,1082980,2028221,1084089,428558,1113249,1131912,1078402,1127757,1126782,1050917,1115731,1081213) ORDER BY field (ArticleID,1045943,302274,203276,287876,1128775,1127039,1096354,478045,159765,1131933,703298,1127463,1125399,1080805,3058820,1117892,1131315,1085062,1082980,2028221,1084089,428558,1113249,1131912,1078402,1127757,1126782,1050917,1115731,1081213)