KNBN (channel 21) is a television station in Rapid City, South Dakota, United States, affiliated with NBC, MyNetworkTV and YTA TV. Owned by Forum Communications Company, the station maintains studios on South Plaza Drive in Rapid City, and its transmitter is located on Cowboy Hill west of downtown.

为了解决该问题，文章提出了一种基于主成分分析(Principal Component Analysis, PCA)和K边界近邻法(K Nearest Bound Neighbor, KNBN)的SVM预处理方法；先用PCA对训练数据降维消除训练数据中的冗余信息，然后利用KNBN预选取训练数据中的支持向量来减少训练数据量。

本文使用k边界近邻法支持向量预选取方法(knbn)对eeg信号训练样本进行支持向量预选取。通过knbn方法可以减少eeg信号训练样本中的冗杂样本和对分类无用的多余样本，再用svm来训练和预测，从而减少预测模型建立的训练时间并在一定程度上提高分类预测准确度。

2024年8月14日 · Included a promo as well, in which they proclaim to be local, and for now, they still are. Copyright 2024 KNBN/Rapid Broadcasting Company (to be sold to the ...

2024年8月14日 · Fargo-based Forum Communications is continuing its regional expansion with the purchase of NBC affiliate KNBN/21.1 (Rapid City). According to an asset purchase agreement filed with the FCC, Forum will pay Rapid Broadcasting $5.9 million for KNBN and four low-power TV stations and translators in the Rapid City market.

为了解决该问题，文章提出了一种基于主成分分析(Principal Com- ponent Analysis, PCA)和K边界近邻法(K Nearest Bound Neighbor, KNBN)的SVM预处理方法；先用. PCA对训练数据降维消除训练数据中的冗余信息，然后利用KNBN预选取训练数据中的支持向量来减少训 练数据量。 数值实验结果表明，与PCA-SVM、KNBN-SVM和无数据预处理的SVM方法相比，采用本文提 出的SVM预处理方法既保持了良好的分类预测精度，又缩短了大量训练时间。 关键词. 支持向量机，主成分 …

2018年10月15日 · Phase structure of the cerium modified KNBN ceramics were confirmed to be a two-layer Aurivillius oxide with an orthorhombic space group A 2 1am. Piezoelectric performances of the cerium modified KNBN ceramics were improved significantly compared with that of …

2025年3月9日 · KNBN schedule and local TV listings guide. Find out what's on KNBN tonight.

2007年9月5日 · The phase structure of KNBN ceramics (x = 0.01) is pure perovskite phase with orthorhombic symmetry at room temperature. The addition of Bi 3 + significantly improves electrical properties of (K 0.5 Na 0.5) NbO 3 ceramics while keeping the tetragonal-orthorhombic phase transition temperature above 170 ° C ⁠.

Your source for news from Rapid City, South Dakota, and beyond.