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第 50 卷第 10 期 余 航等:接受域类型差异对多重备选假设数据探测法的影响分析 1989
2 2 2
图 12 SPP 中不同 β i 下 ∂ ( δP CI i ) ∂β i,1 及 δP CI i 的结果
2 2 2
Fig. 12 Results of ∂ ( δP CI i ) ∂β i,1 and δP CI i with Varying β i in SPP
3)不同接受域类型导致的正确识别率差异 息科学版), 2023, 48(2): 214-223.
通常有界,对于某些重要方向上的观测值而言, LIU Jingbin, MAO Jingfeng, LÜ Haixia, et al. Re‑
在网形设计阶段可通过控制该差异的上界,并尽 liability Analysis and Gross Error Detection of BDS/
GPS Combined Positioning[J]. Geomatics and In‑
量增大积分区域夹角,以达到减小因接受域类型
不同导致的正确识别率的差异、提高对应方向观 formation Science of Wuhan University, 2023, 48
(2): 214-223.
测值粗差的正确识别率的目的。
[7] YANG Y X, XU J Y. GNSS Receiver Autono‑
通过本文算例的结果来看,接受域类型的差
mous Integrity Monitoring (RAIM) Algorithm
异 对 MDB 及 检 验 决 策 概 率 的 大 小 均 有 一 定 影
Based on Robust Estimation[J]. Geodesy and Geo‑
响,但不显著。然而,从不同接受域得到的正确
dynamics, 2016, 7(2): 117-123.
识别率差异的模拟结果来看,在一定的模型几何 [8] TEUNISSEN P J G, DE BAKKER P F. Single-
条件下该差异较大。例如本文单点定位算例中, Receiver Single-Channel Multi-frequency GNSS In‑
该差异理论上接近 3%。而从检验空间划分的几 tegrity:Outliers,Slips, and Ionospheric Disturbances
何角度来看,接受域类型的不同会改变拒绝域子 [J]. Journal of Geodesy,2013,87(2): 161-177.
空间,进而影响粗差探测和识别的结果 [9] LI B F, WANG M M, SHEN Y Z. The Hypothe‑
sis Testing Statistics in Linear Ill-Posed Models[J].
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