Strong electron multiple scattering in transmission electron microscopy (TEM) means that most quantitative work in electron microscopy requires accompanying image simulations for reliable interpretation. Recent years have seen a number of different TEM simulation packages released, many of them open source. Most are written in programming languages such as C++ [1-2] and Fortran [3] which results in the fastest possible run-time for simulations but means that modification and extension of the code is difficult for non-expert programmers. Inspired by the popular success of open-source electron microscopy packages such as HyperSpy [4] and py4DSTEM [5], which are written in the more accessible Python programming language, in this presentation we introduce an open-source purely python based TEM simulation package which can run on graphical processing units (GPUs) using the Python pytorch library [6].

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基于 Python 的用于透射电子显微镜的开源多层仿真包

透射电子显微镜 (TEM) 中的强电子多重散射意味着电子显微镜中的大多数定量工作需要伴随图像模拟来进行可靠的解释。近年来，发布了许多不同的 TEM 模拟包，其中许多是开源的。大多数都是用 C++ [1-2] 和 Fortran [3] 等编程语言编写的，这可以实现最快的模拟运行时间，但这意味着非专业程序员很难修改和扩展代码。受到诸如 HyperSpy [4] 和 py4DSTEM [5] 等开源电子显微镜软件包的流行成功的启发，这些软件包是用更易于访问的 Python 编程语言编写的，