高性能数字乘法器芯片电路设计
摘 要
模模糊糊的近义词高性能乘法器是现代数字信号处理器(DSP)中的重要部件，是完成高性能实时数字信号处理和图像处理的关键所在。浮点乘法器具有面积大、延迟长、结构复杂的特点。如何设计出高速、简单且结构规则的浮点乘法器成为广泛关注的问题。过去的十年中，研究者扩展了Booth编码算法的空间，提高了乘法器的性能；改进了部分积压缩技术，使乘法器结构更加规则；以传输管逻辑、多路选择器和动态技术为基础的各种电路实现方法也持续刷新高性能乘法器的实现记录；与此同时，与物理实现紧密相关的乘法器拓扑结构的研究也硕果累累。但不断提高的高性能运算需求使得高性能乘法器的设计和实现仍然是当前的热门话题。
本文从延迟、面积、结构复杂性等方面系统地研究了乘法部件的各个过程。在研究了乘法器Booth抗击疫情的作文编码算法，乘法器部分积压缩拓扑结构和高速求和等算法的基础上，分析比较乘法器各部分的不同实现方法，设计了一个高性能的16内控制度建设位浮点并行乘法器。该乘法器的指数部分与尾数部分并行运算，缩短了关键路径；采用修正Booth编码缩减了部分积数量；采用结构规整的(4：2)压缩树结构加快部分积的求和，得到Carry、Sum形式的部分积；最后采用高速的
超前进位加法器求得乘积；验证部分采用全面覆盖可能情况的验证方法保证了设计的正确性；包含本乘法器的设计代码已通过软件、硬件验证；
关键字：浮点乘法器，修正Booth算法，4：2压缩器，3：2压缩器，规格化
陈皮有什么用处
Design of Digit and High-speed multiplier IC Circuit
Abstract
High performance multiplier is the important component of the digital signal processor，the key to implement the signal processing and image processing；Multiplier always has large area, long latency and complex structure．It becomes attractive how to design a fast红焖带鱼，simple and regular multiplier．In the past ten years，rearchers have developed new Booth algorithm to improve the performance of the multiplier电脑自动休眠怎么取消；Developed many formal compress trees to make the structure of the multiplier more regular；Implement the circuits using pass-transistor logic，经典古诗文multiplexer, dynamic method and so on；The top
ology of multiplier, which related with physical implementation cloly，also developed very rapidly．However，the desire for high performance computation makes the design of multiplier not come to the end．
Bad on the work in designing a floating-point multiplier in the 16 bit floating point DSP, this disrtation gives a systematic rearch on the every stages of the multiplier considering delay, area and complex．一个人的精彩Bad on the study of Booth algorithm，multiplier topology, and the final adder, this thesis introduces and compares kinds of multipliers，implemented a 16 bit high performance parallel multiplier, the exponent and mantissa of which compute in parallel way ,modified Booth algorithm and(4：2) compress tree are ud to generate and calculate the partial products．Carry lect adder sums the final two partial products；Character vectors and random vectors are ud to test the multiplier, the code includes this multiplier has pasd the software/hardware test.
Keywords :Floating Point Multiplier, Booth Encoder,(4：2) Compressor , (3：2) Compressor Normalize
