Filtering method and device, terminal equipment and readable storage medium
The invention is suitable for the technical field of filtering, and provides a filtering method and device, terminal equipment and a readable storage medium, and the method comprises the steps: obtaining a to-be-filtered signal, the data type of a signal sampling value in the to-be-filtered signal b...
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| creator | XU CHAOSHENG ZHENG ZHOUPING HWANG JIN-WOO |
| description | The invention is suitable for the technical field of filtering, and provides a filtering method and device, terminal equipment and a readable storage medium, and the method comprises the steps: obtaining a to-be-filtered signal, the data type of a signal sampling value in the to-be-filtered signal being an integer type; amplifying the to-be-filtered signal according to a set multiple to obtain an amplified signal; based on a polynomial corresponding to a set filtering coefficient, filtering calculation is conducted on the amplified signal, a target signal is obtained, a monomial expression in the polynomial is an exponential function with 1/2i as the bottom, and the data type of a signal sampling value in the target signal is an integer type. The to-be-filtered signal is filtered by setting the polynomial corresponding to the filtering coefficient, the introduction of floating point operation can be avoided, and the filtering operation speed of the processor is improved.
本申请适用于滤波技术领域，提供了一种滤波方法、装置、终端设备及可读存储介质， |
| format | Patent |
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| language | chi ; eng |
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| subjects | BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS |
| title | Filtering method and device, terminal equipment and readable storage medium |
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