追星儀是一種高精度的感測器，透過辨識視野中恆星位置來確定指向，進一步確定衛星姿態。隨著科技進步，計算性能提升，現代追星儀能夠在內部進行快速星場識別和姿態計算，達到更高的精確度。本研究主要為了因應追星儀的發展，開發全天動態星場模擬系統用以驗證追星儀演算法的效能。目前已有的星空模擬軟體雖然能夠模擬靜態星空影像，但無法滿足追星儀演算法驗證的需求，尤其是模擬動態星場。因此，本研究提出了能整合必要天體數據並考慮衛星空間旋轉的星場模擬系統，這對於追星儀演算法的開發和驗證有其必要性。本研究工作引入了不同座標系統的轉換，包括地球座標系統和天球座標系統，建立星圖模擬的框架。使用歐拉角和四元數描述衛星姿態和變化。除此之外，本研究工作也導入了光學系統的模擬，包含光學系統中鏡頭、感測器規格對視野的影響和如何模擬感測器的電子系統，並且將天體的位置和亮度投影到影像平面上以數值呈現。在天體的模擬上，除了恆星外，也從軌道參數計算了主要行星與太陽、月亮等太陽系天體的亮度和座標。模擬的靜態與動態星場影像與現有的模擬軟體進行了對比，驗證了本文系統在原本星像軟體的可靠性之上，還加入驗證追星儀演算法的功能。本研究開發的星場模擬系統能夠模擬衛星在不同姿態下拍攝到的星空影像，對於驗證追星儀的演算法性能具有重要價值。此系統彌補了現有星空模擬軟體在衛星動態模擬方面的不足。

In this study, we try to develop an all-sky dynamic starfield simulation system to verify the performance of the star tracker algorithms in response to the development of the star tracker.
This paper concludes the methods and describes the specific process of simulating the images captured by a star tracker, from inputting parameters of optics, sensors, and observing modes to the final image generation.
The results of static starfield simulations are shown and compared with the existing simulation software Stellarium to verify the accuracy of the system in this paper. The results of dynamic starfield simulations are also included, which are based on the simulation of the rotation of the satellite in its orbit.

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