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Finite impulse response CSD filter

An impulse response and filter technology, applied in impedance networks, digital technology networks, electrical components, etc., can solve the problems of resource consumption and energy consumption, and achieve the effects of low power consumption, small area overhead, and high performance

Active Publication Date: 2014-04-09
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0011] In view of the above technical problems, the present invention provides a finite impulse response CSD filter to solve the problem of excessive consumption of resources and energy consumption of existing finite impulse response CSD filters

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints.

[0028] Before introducing the specific structure of the finite impulse response CSD filter of the present invention, the working principle of the finite impuls...

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Abstract

The invention provides a finite impulse response CSD filter. The finite impulse response CSD filter is based on a newly proposed CSD coefficient grouping method, and can achieve small area consumption, lower power consumption and high performance on high-order FIR filters, and advantages are enlarged with order numbers. In addition, aiming at filters of different types and orders, system reconfigurable performance can be achieved simply by changing the programming mode of the inner side of a processing unit in the structure of the finite impulse response CSD filter.

Description

technical field [0001] The invention relates to the technical field of digital filters, in particular to a finite impulse response CSD filter. Background technique [0002] The finite impulse response CSD filter has been widely used in digital signal processing systems and communication systems because of its inherent linear phase characteristics and system stability. Neural signal processing, sensor filtering, video and audio processing, channel equalization, and matched filtering are all classic applications of FIR. With the development of software defined radio (Software Defined Radio, SDR) technology, and the improvement of high performance, low overhead and fault-tolerant (fault-tolerant) requirements of FIR filters, the reconfiguration of FIR filters to realize the system has become a necessity. s solution. [0003] The multiplication of coefficients is the technical bottleneck of the reconfigurable FIR filter. Usually, in order to reduce the complexity of calculatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H17/02
Inventor 杨海钢贾瑞王飞陈锐王新刚林郁
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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