The trick is to use a clocked DLL, which not only minimizes clock skews, but also offers a double-frequency output clock.
关键是为了使用时钟DLL，它不只是最小化时钟脉冲相位差，还提供双倍输出的时钟频率。
2
This paPer introduces the equipments of double-frequency induction heating the forged steel cold work roller, and compare with the same kind induction heating equipments.
介绍锻钢冷轧工作辊双频感应淬火设备特点，国内首创较低的中频频率的选定，与同类淬火设备比较的优点。
3
Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.