| 具有APU的微处理机用于数字滤波 |
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| 引用本文： | 刘佑星,王福麟.具有APU的微处理机用于数字滤波[J].华中师范大学学报(自然科学版),1987,26(2):0-0. |
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| 作者姓名： | 刘佑星 王福麟 |
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| 作者单位： | 华中师范大学电化教育系
(刘佑星)，华中师范大学电化教育系(王福麟) |
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| 摘 要： | 现在微处理机已常用于数字滤波。本文论叙了如何用具有APU的Z80—微机进行二阶数滤披的试验,并对用两台微机并联工作进行高阶数字滤波作了探讨。
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| 关 键 词： | 数字滤波 阶 低通 算术运算单元 传递函数 双线性变换 |
| 收稿时间： | 1987-02-25 |
MICROPROCESSOR WITH APU USING IN THE DIGITAL FILTERING |
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| Liu Youxing Wang Fuling.MICROPROCESSOR WITH APU USING IN THE DIGITAL FILTERING[J].Journal of Central China Normal University(Natural Sciences),1987,26(2):0-0. |
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| Authors: | Liu Youxing Wang Fuling |
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| Institution: | Department of Educational Communication & Technology |
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| Abstract: | Now it is very common to use microprocessors to perform digital filtering. An experiment using a Z-80 micropocessor with an Am 9511 Arithmetic processing Unit (APU) in a second order digital filter is introduced in this paper In the experiment a second order digital filter, with eight-bit number precision, achieves a sampling rate of 800 samples/ second. For two Z-80 microprocessors operating in parallel as in a 4 th order digital filter, the sampling rate is still 800 samples/sec. This kind of a digital filter has practical significa nce to perform simple and convenient real-time signal processing. |
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| Keywords: | Digital filtering order lowpass Arithmetic processing unit transfer function bilinear transformation |
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