Quartz框架是一个全功能、开源的任务调度服务，可以集成几乎任何的java应用程序—从小的单片机系统到大型的电子商务系统。Quartz可以执行上千上万的任务调度。
2019-04-26 18:26
Quartz框架是一个全功能、开源的任务调度服务，可以集成几乎任何的java应用程序—从小的单片机系统到大型的电子商务系统。Quartz可以执行上千上万的任务调度。
2019-05-06 18:23
Product DescriptionThe crystals are miniature AT or BT cut strip resonatorshoused in low profile packages for surface mounting.The parts utilize a proven, low-cost, metal packagetechnology with a precision molded base and
2008-08-06 13:08
The accuracy of a generated frequency depends upon the referenceelement selected. The purpose of this note is to provide a backgroundon the crystal reference element and its impact in an oscillator circuit.This information is t
2010-07-10 10:35
The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time
2009-05-22 16:02
A finite element analysis of frequency–temperature relations of AT-cut quartz crystal resonators
2008-11-24 16:37
resonators can be used instead of quartz crystals. Ceramic resonators are cheaper than quartzcrystals and as some resonators have built-in cap
2009-06-18 11:31
Figure 1 shows how the non-volatile, static memory array and the quartz controlled clock oscillator
2009-05-21 17:01
QUARTZ-W22-LTE(EU)+ACC
2023-03-28 13:18
Abstract: Quartz crystals are mechanical resonators with piezoelectric properties.
2012-09-25 11:28
