Tingyao Jiang

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—Aiming at improving the precision of nodes' localization, this paper analyses the source of the localization error when using the least square algorithm, and proposes the principle to choose the benchmark anchor nodes in reducing the power of equation. Based on this principle, the algorithm choosing the nearest node as the benchmark anchor node in LSM and(More)
—The integrated evaluation method is the most important tender evaluation method in material procurements. However, subjective consciousness of the evaluation experts and the weights of the technical conditions, business conditions and price conditions have excessive impact on the evaluation results, which make the process and result of tender evaluation(More)