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High precision frequency meter
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This system based on C8051F020 to achieve equal precision frequency measurement using the SCM flexible speed control function and Advantage dramatically improves performance and measurement accuracy. Previous frequency measurement is counted directly at high frequencies and low frequencies of indirect measuring week Method of measurement accuracy tends to be affected with the change of the measured frequency. In order to overcome the high and low band frequency measurement accuracy of measurement Defects of varying degrees, dual counter designed to achieve equal precision frequency measurement. Precision measurement method not only has a high Measurement accuracy, but also in the entire region remains constant over frequency measurement accuracy.
wang921317138
2016-08-23
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