Our bio lab is quite noisy because of a 24-7 working ventilation duct on the ceiling - the room needs to be kept under negative pressure. At some point the noise reached 80 dB, which is quite annoying. So here I am, trying to use my knowledge from environmental physics lessons to track the source of noise pollution. ...
The conceptual evolution of green building is reflected in historical versions of green building rating tools. Computational text analysis on historical versions of LEED revealed changes in the category systems and textual contents, which reflects how LEED’s green building concept has evolved in the 21st century. Keywords: green building rating tool (GBRT); conceptual evolution; LEED; computational text analysis ...
通过一个图像合成视频的脚本案例测试了一下Python3在单线程、多线程和多进程下的运行速度。发现多线程可以一定程度上提高运行速度（将1个线程拆为4个线程，提速大约83%），但是不能达到完全的并行运算，据说是因为threading模块并不能真正调用多个处理器。在多进程下运行，可以接近完全平行的运算速度。 ...
Barrel distortion(桶形畸变)是一种成像画面呈桶形膨胀的畸变现象，通常在广角镜头下出现。最近在调试生态监测相机时就遇到了非常典型的桶形畸变，会影响到对于监测对象的定位精确性。 ...
在实际应用SBM模型分析绿色发展效率的时候，发现面临着以下两个困难： 指标实际可取值具有上边界； 不同指标之间存在重要性差异。 于是对经典的非期望产出SBM模型进行了修改，以解决上述问题。📐 ...