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Low power Modified Booth Multiplier
介紹 : 為了節省乘法器面積、加快速度等等，許多文獻根據乘法器中架構提出改進的方式，而其中在1951年，A. D. Booth教授提出了一種名為radix-2 Booth演算法，演算法原理是在LSB前一個位元補上“0”，再由LSB至MSB以每兩個位元為一個Group，而下一個Group的LSB會與上一個Group的MSB重疊(overlap)，Group中的位元。
Booth編碼表進行編碼(Booth
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54x54-bit Radix-4 Multiplier
based on Modified Booth Algorithm
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8-bit modified Booth s algorithm
multiplier
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潘明海 刘英哲 于维双 (论文)
中文摘要：
本文讨论了一种可在FPGA上实现的FFT结构。该结构采用基于流水线结构和快速并行乘法器的蝶形处理器。乘法器采用改进的Booth算法，简化了部分积符号扩展，使用Wallace树结构和4-2压缩器对部分积归约。以8点复点FFT为实例设计相应的控制电路。使用VHDL语言完成设计，并综合到FPGA中。从综合的结果看该结构可在XC4025E-2上以52MHz的时钟高速运行。在此基础上易于扩展为大点数FFT运算结构。
-Pan Mingha
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ABSTRACT:
Low power consumption and smaller area are some of the most important criteria for the
fabrication of DSP systems and high performance systems. Optimizing the speed and
area of the multiplier is a major design issue. However, area and
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乘法器 基于改进booth编码 已验证 clk-multiplier modified booth
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有符号16位乘法器。经典booth编码。拓扑结构为wallance树。加法器类型是进位选择加法器。-Number system: 2 s complement
Multiplicand length: 16
Multiplier length: 16
Partial product generation: PPG with Radix-4 modified Booth recoding
Partial product accumulation: Wallace t
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File Format: PDF/Adobe Acrobat - Quick View
by K Bickerff - 2007 - Related articles
With delay proportional to the logarithm of the multiplier word length, column compression .... 2.1 A square version of a 4 by 4 array multiplier (after [23]) . .
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VERILOG CODE FOR 16 BIT MULTIPLIER USING MODIFIED BOOTH ALGORITHM
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Due to its high modularity and carry-free addition, a redundant
binary (RB) representation can be used when designing high performance
multipliers. The conventional RB multiplier requires an additional RB partial
product (RBPP) row, because an err
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quartus ii项目文件包，功能是改进的booth乘法器，节省时钟，已完成仿真。(This zip file contains a quartus ii project, which can fufill multiple function. It is done by using a modified booth multiplier.)
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