VHF：垂直高频

“垂直高频”在学术科研及业余无线电等领域中常被广泛使用。为便于快速书写和应用，这一术语通常以其英文缩写“VHF”来指代。VHF作为一种重要的技术概念，在通信、气象观测以及航空航天等多个专业场景下都具有关键作用。

This paper, based on wavelet decomposition technology, extracts fractal dimension of the alloy Zr-4 low-cycle fatigue fracture ( Zircaloy-4 ) in the low frequency, horizontal high frequency, vertical high frequency and the diagonal high frequency directions by means of covering blankets.
应用小波分解技术，用双毯法提取了锆-4合金低周疲劳断口在低频、水平高频、垂直高频(VHF)、对角高频方向上的分形维数。
Watermarking messages combined a Gaussian-noise template are embedded to vertical high frequency coefficients which are produced by one-level integer wavelet transform of the host image. Then the same messages are embedded to each sub-image by quantization repeatedly.
算法在图像分块整数小波变换的垂直高频(VHF)分量中结合一个高斯噪声模板嵌入水印信息，然后在空域中利用量化的方法分块重复嵌入相同的水印信息。
The vertical direction high frequency electromagnetic field for two horizontal boundary plane
两个水平界面正交方向上的高频电磁波场曲线
Near source vibrations are characterized by strong vertical ground motions with high frequency contents.
近源地振动的特点是垂直地面运动非常强烈，并且高频成分多。
Theoretical investigation of shoulder bed thin sandwich effect and vertical resolution for the high frequency dielectric logging
高频介电测井的围岩、薄夹层影响与分层能力的理论研究

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