Integer shape parameter gamma distribution random number generator based on FPGA

The invention discloses an integer shape parameter gamma distribution random number generator based on an FPGA (Field Programmable Gate Array). Comprising a uniform random number generation module and a gamma random number generation module, wherein the uniform random number generation module comprises a data preprocessing module, a seed generation module, a Convert module and a Mixer module. The gamma random number generation module comprises a logarithm lookup table module and an adder module. The gamma distribution random number generator can generate random numbers conforming to gamma distribution on the FPGA, the quality of the random numbers is good, and the gamma distribution random number generator can be used for clutter generation and simulation. 本发明公开了一种基于FPGA的整数形状参数伽马分布随机数发生器。包括均匀随机数生成模块和伽马随机数生成模块，其中均匀随机数生成模块包括数据预处理模块、种子生成模块，Convert模块和Mixer模块。伽马随机数生成模块包括对数查找表模块和加法器模块。此伽马分布随机数发生器可以在FPGA上生成符合伽马分布的随机数，并且随机数的质量较好，可以用于杂波生成及仿真。