会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明授权
    • Multiplierless FIR digital filter and method of designing the same
    • 多重FIR数字滤波器及其设计方法
    • US07933943B2
    • 2011-04-26
    • US11634559
    • 2006-12-06
    • Jung Bum KimIn San JeonIk Soo Eo
    • Jung Bum KimIn San JeonIk Soo Eo
    • G06F17/10
    • H03H17/06H03H17/0225H03H2017/0072
    • Provided are a multiplierless FIR digital filter and a method of designing the same, in which a filtering operation is performed by a small addition/subtraction circuit using extracted information after analyzing the property of a given coefficient and extracting information required for design by only adding/subtracting operations. In the method of designing the multiplierless FIR digital filter, tables are created to extract and store information needed for adding and subtracting operations. An addition table is created to store values obtained by adding the input data synchronized with a clock frequency. Further, a value corresponding to multiplication is obtained by performing extraction and error correction on the added values from the tables, and an adder chain of an output terminal sums up the values and outputs the filtering results, thereby effectively implementing a logic circuit of the multipliedess FIR digital filter.
    • 提供了一种无乘法FIR数字滤波器及其设计方法,其中通过分析给定系数的属性后的提取信息,通过小型加减法电路进行滤波操作,并通过仅添加/ 减去运算。 在设计无乘数FIR数字滤波器的方法中,创建表以提取和存储加减运算所需的信息。 创建附加表以存储通过添加与时钟频率同步的输入数据而获得的值。 此外,通过对来自表的附加值执行提取和纠错来获得与乘法相对应的值,并且输出端的加法器链将该值相加并输出滤波结果,从而有效地实现乘法器的逻辑电路 FIR数字滤波器