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quartz crystal frequency standard
释义
quartz crystal frequency standard
Encyclopedia
工学
频率标准
释
quartz crystal frequency standard
石英晶体频标
利用石英晶体的压电特性、高Q特性及稳定的物理化学性能,与振荡电路一起组成高稳定的石英晶体振荡器,从而输出较高准确度和稳定度的特定频率信号的频率标准。又称石英晶振频标(简称晶振频标)、石英晶体振荡器(简称晶振)。通常指日老化率在10-10量级或优于此量级,在计量或其他系统作为标准使用的晶振。
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high productivity computer
high pure oxide refractories
high pure source materials
high purity
high purity germanium detector
high-purity germanium detector
high purity molybdenum
high purity niobium
high purity precious metal materials
high purity reagent
high purity signal generator
high purity tantalum
high purity tungsten
high purity zinc reference electrode
high-Q mode
high quality aggregate
High-quality development of the cultural industry
high rate direct sequence spread spectrum
high rate direct sequence spread spectrum, HR-DSSS
high rate discharge ability
high redshift
High-redshift galaxies
high-redshift galaxy
high-reflecting coating
high-reflecting film
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更新时间:2025/7/8 14:12:47