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- After making discrete stationary wavelet transform to an infrared image, de noising is done in the high frequency sub bands with better resolution. 对红外图像进行离散平稳小波变换后 ,对分辨率较好的各高频子带直接利用所提出的去噪方法去噪 ;
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- However, the low frequency sounds of the front, center, or rear speakers are output from the sub woofer according to the settings made for each speaker in the speaker setup (page 18). 然而，从低音炮输出的前置、中置、后置扬声器的低频率声音可参考第十八页的“扬声器设置”中关于每个扬声器的设置。
- Then，the fuzzy low frequency wavelet sub-band is processed by Linear Rectification Function（LRF） to adjust image brightness better. 然后，对经过模糊化的低频小波子带，采用基于人眼视觉特性的线性矫正函数（LRF）进行处理，以实现对图像亮度更好的动态调节。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文 魏国军;周小红;周雷;陈林森.
- The low frequency of TM4 is fused with high frequency of TM5.Edge detection of the reservoir show the remote sensing fusion image of TM4 and TM5 is better than the one of TM4. 对图像通过TM4分解的低频图与TM5分解的高频图像融合再与TM4影像原图比较,融合图像提取细节效果明显优于TM4原图像。
- The watermark is embedded in the significant coefficient in the low frequency was found to be robust, but the watermarked image is easily visible distortion. 将浮水印藏在影像频率域中的低频带的重要系数，经研究可使浮水印较具强韧性来抵抗外部影像处理攻击，但也因此牺牲影像的品质。
- This paper researches the sub image feature fusion rules in the trademark image retrieval, and improves the sub image feature fusion rules by weighting based on the sub image reliability. 该文对商标图像检索中的子图像特征融合准则进行了研究,根据子图像可信度对子图像特征融合准则进行加权改进。
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- The direction of the low frequency current with maximum frequency was also WSW. 低频流出现频率最多的方向和潮流基本一致。
- Medium SMES (200 MVA) are able to compensate some low frequency disturbance. 中型SMES(200MVA),这类SMES能补偿某些低频度的扰动
- Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
- Armstrong was forced to use avery low frequency barely above audibility. 当时这样的频率被认为是“高频”，但只不过是现在所用调幅波段的底部而已。
- Peak indicator light and LF (low frequency) switch per mono channel. 每路单声信道具有峰值指示灯及低频切除开关。
- Purpose:Low frequency power amplifier,medium speed switching applications . 用途:用于低频功率放大及中速开关。
- Note: Close woundcoils will resonate at a slightly lower frequency. （注：密绕的线圈将会谐振在稍低的频率。）
- Using a method of the spatial frequency filtering by combining the directional filtering with the very low frequency filtering, the desirable optical signals cau be taken out of a considerably complex image. 采用方向性滤波与极低频滤波相结合的方法;可以从较复杂的图象中提取所需用的信号.
- The original binary watermark image was firstly encrypted pro rata through Human visual system (HVS) principle and embedded into the DWT low frequency sub-band of green components. 原始二值水印图像按比例进行分解，结合HVS原理，将分解的水印图像嵌入到绿色分量的低频和中低频三级小波变换系数中。
