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xiangpintexin

于 2013-05-23 发布 文件大小:637KB
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  本作品以MSP430单片机为核心， 基于DDS原理，通过查表方式输出步进量为10HZ，频率为100HZ~2KHZ的正弦波。两路被测信号通过过零比较、异或和低通滤波整流，实现了对相位差的测量，误差小于(This works with MSP430 microcontroller as the core, based on DDS principle, by look-up table output step sizes for the 10HZ, frequency of 100HZ ~ 2KHZ sine wave. Two by the signal zero-crossing comparator, XOR, rectification and low-pass filtering, the realization of the phase of the measurement error is less than)

文件列表：

0Table,5592,2015-01-21
Data,255963,2015-01-21
ObjectPool
..........\_1234567890
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..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567891
..........\...........\Equation Native,45,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567892
..........\...........\Equation Native,86,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567893
..........\...........\Equation Native,45,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567894
..........\...........\Equation Native,86,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567895
..........\...........\Equation Native,86,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567896
..........\...........\Equation Native,35,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567897
..........\...........\Equation Native,35,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567898
..........\...........\Equation Native,98,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567899
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..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567900
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..........\_1234567902
..........\...........\Equation Native,168,2015-01-21
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..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
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..........\...........\[3]EPRINT,48852,2015-01-21
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..........\...........\[5]DocumentSummaryInformation,564,2015-01-21
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..........\...........\Equation Native,105,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567906
..........\...........\Equation Native,49,2015-01-21
..........\...........\[1]CompObj,105,2015-01-21
..........\...........\[1]Ole,20,2015-01-21
..........\...........\[3]ObjInfo,6,2015-01-21
..........\_1234567907

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