ArtDeco：用于绝对CMB测量的射束反卷积代码
ArtDeco: A beam deconvolution code for absolute CMB measurements
摘要：
提出了一种用于宇宙微波背景（CMB）各向异性测量的束流反卷积方法。该代码将时间排序的数据以及相应的检测器指向和已知的波束形状作为输入，并产生所观察到的天空的谐波a_Tlm、a_Elm和a_Blm系数作为输出。从这些可以进一步构建温度和Q和U偏振图。该方法适用于宽天空覆盖范围的CMB绝对测量，并且与扫描策略无关。我们测试的代码与广泛的模拟，模仿普朗克30 GHz和70 GHz的通道的分辨率和数据量，但夸张的光束不对称性。我们将其应用到多极l=1700，并检查结果在像素空间和谐波空间。我们还测试的方法也存在白噪声。
英文摘要：
We present a method for beam deconvolution for cosmic microwave background (CMB) anisotropy measurements. The code takes as input the time-ordered data, along with the corresponding detector pointings and known beam shapes, and produces as output the harmonic a_Tlm, a_Elm, and a_Blm coefficients of the observed sky. From these one can further construct temperature and Q and U polarisation maps. The method is applicable to absolute CMB measurements with wide sky coverage, and is independent of the scanning strategy. We test the code with extensive simulations, mimicking the resolution and data volume of Planck 30GHz and 70GHz channels, but with exaggerated beam asymmetry. We apply it to multipoles up to l=1700 and examine the results in both pixel space and harmonic space. We also test the method also in presence of white noise.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
