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2024年6月8日 · In this paper, we proposed an order-preserving spectral properties optimization method based on the group velocity control theory: the weighted group velocity control (WGVC) scheme.

2021年10月30日 · In this paper, we propose a hybrid kinetic weighted group velocity control–weighted essentially non-oscillatory (WGVC–WENO) scheme which combines the WGVC–WENO reconstruction technique He et al. (2014) with the hybrid kinetic method proposed in Liu et al. (2015). The new scheme is based on the idea of hybridization.

In order to not only enhance the spectral properties but also preserve order of finite difference schemes, we propose a new nonlinear optimized methodology, i.e., the Weighted Group Velocity Control (WGVC) scheme in this paper.

本文针对激波-湍流边界层干扰(swtbli)问题，开展了高精度数值方法研究，并进行了直接数值模拟(dns)。在此基础上对流动机理及模型也进行了探索。具体如下: (1)提出了一种非线性的高精度高分辨率格式——加权群速度控制格式(wgvc)。这种格式除了具有高精度高分辨率能力外，还保留了原 …

2014年2月21日 · Following this idea, we propose nonlinear spectral-like schemes named weighted group velocity control (WGVC) schemes. These schemes show not only high-resolution for short waves but also moderate shock capturing capability.

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2021年8月6日 · 带有可变时钟的波形发生器 (wgvc)允许人们逐点重构波形，以获得宽范围的采样率，它不仅可以采用任意波形发生器 (awg)等独立仪器的形式嵌入自动测试系统，而且还可以嵌入许多其他系统，包括雷达、通信和量子处理等系统。 wgvc采样率的可变性为应用提供了丰富的选择。 目前，通常从信号特性的角度使用奈奎斯特准则选择采样率，gappedspectrumshapingfortandem-hoppedradar/communications&cognitivesensing文章中 …

2024年4月26日 · Abstract: SARCalNet is an initiative of the SAR subgroup of the Working Group on Calibration and Validation (WGCV) of the Committee on Earth Observation Satellites (CEOS). Development of SARCalNet began in 2020, based upon a longstanding and existing target database of calibration targets contributed to this same group.

2021年10月30日 · In this paper, we propose a hybrid kinetic weighted group velocity control–weighted essentially non-oscillatory (WGVC–WENO) scheme which combines the WGVC–WENO reconstruction technique He et al. (2014) with the hybrid kinetic method proposed in Liu et al. (2015). The new scheme is based on the idea of hybridization.