电子测试
電子測試
전자측시
ELECTRONIC TEST
2014年
22期
33-34,22
,共3页
沈利芳%李晓丽%屈云豪%张永芳
瀋利芳%李曉麗%屈雲豪%張永芳
침리방%리효려%굴운호%장영방
数字频率计%量程%自动切换
數字頻率計%量程%自動切換
수자빈솔계%량정%자동절환
digital frequency meter%range%automatic conversion
给出两种基于计数器的数字频率计测量量程自动切换的实现方案，分析两者在切换速度和稳定性方面的异同点，并在FPGA开发装置上得以验证，具有一定的实用参考价值。
給齣兩種基于計數器的數字頻率計測量量程自動切換的實現方案，分析兩者在切換速度和穩定性方麵的異同點，併在FPGA開髮裝置上得以驗證，具有一定的實用參攷價值。
급출량충기우계수기적수자빈솔계측량량정자동절환적실현방안，분석량자재절환속도화은정성방면적이동점，병재FPGA개발장치상득이험증，구유일정적실용삼고개치。
Two methods on automatic switching measurement range of the counter based digital frequency meter are proposed,and at the same time,an analysis of and a comparison between the two methods in terms of the switching speed and stability are given.The proposed methods are implemented and verified using FPGA device and it shows their considerable value in practical utility.
