星际通信中的符号量化：方法和观测
Symbol quantization in interstellar communications: methods and observations
摘要：
星际通信发射机，旨在被发现和解码为信息比特，预期发射包含在发射信号的至少一个自由度中量化的消息符号的信号。提出了一种假设，即在接收假设的可重复星际通信信号期间，可以观察到以一个或多个信号测量的乘性值的形式的信号量化。在以前的工作中，使用单个和多个同步射电望远镜，候选假设星际通信信号包括delta-t delta-f相反的圆偏振脉冲对已被报告和分析（参考arXiv：2105.03727，arXiv：2106.10168，arXiv：2202.12791）。在后一份报告中，观察到在58.575 Hz的倍数下delta-f的明显量化。在目前的工作中，一个机器的过程已经实施，以进一步研究异常的delta-f和delta-t量子化，本文报道的结果。如在一些过去的工作中，使用具有固定方位角和仰角指向的26英尺直径的射电望远镜来使赤经滤波器能够在6.3小时的赤经范围内相对于其他方向测量与感兴趣的天体方向相关联的信号。5.25 ± 0.15小时的赤经，-7.6度± 1度的十进制天体方向在持续157天的实验中呈现重复和量化的异常，前143天与前一次实验重叠。
英文摘要：
Interstellar communication transmitters, intended to be discovered and decoded to information bits, are expected to transmit signals that contain message symbols quantized in at least one of the degrees of freedom of the transmitted signal. A hypothesis is proposed that signal quantization, in the form of multiplicative values of one or more signal measurements, may be observable during the reception of hypothetical discoverable interstellar communication signals. In previous work, using single and multiple synchronized radio telescopes, candidate hypothetical interstellar communication signals comprising delta-t delta-f opposite circular polarized pulse pairs have been reported and analyzed (ref. arXiv:2105.03727, arXiv:2106.10168, arXiv:2202.12791). In the latter report, an apparent quantization of delta-f at multiples of 58.575 Hz was observed. In the current work, a machine process has been implemented to further examine anomalous delta-f and delta-t quantization, with results reported in this paper. As in some past work, a 26 foot diameter radio telescope with fixed azimuth and elevation pointing is used to enable a Right Ascension filter to measure signals associated with a celestial direction of interest, relative to other directions, over a 6.3 hour range of Right Ascension. The 5.25 plus or minus 0.15 hour Right Ascension, -7.6 degrees plus or minus 1 degree Declination celestial direction presents repetition and quantization anomalies, during an experiment lasting 157 days, with the first 143 days overlapping the previous experiment.
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