Characterized by strong anti-interference capacity, high resolution ratio and portability of the instrument, the dual frequency gradient method has proved effective in practice.
双频梯度测量法有抗干扰能力强、分辨率高、仪器轻便等特点，实践证明应用效果很好。
Moreover the isogram chart of countrywide maximum temperature gradient of concrete pavements with frequency of 2% is plotted.
并且绘制了全国2%频率水泥混凝土路面最大温度梯度等值线图。
We have reported the experiment studies on treating sarcoma with ultralow frequency pulsed gradient magnetic field and discussed its probable mechanism in this article.
报道了用超低频脉冲梯度磁场治疗肿瘤的实验研究以及对其机理的探讨。
The variation of frequency curve's mode peak content with the increasing of depth, shows not only the trend of chemical weathering but also variation gradient of weathering extent.
频率曲线众数峰含量随深度的变化，不但指示了化学风化趋势，而且反映了风化程度的变化梯度。
According to local gradient information, wavelet low frequency coefficient obtained from source image is selected to compose respective low frequency coefficient of the fused image.
根据局部梯度信息对源图像的小波低频系数进行选择，获取融合图像的对应低频系数。
It is performed by introducing the local gradient into local energy and then selecting the low frequency coefficients according to the type and the vale of match measures.
该融合策略首先在区域能量的基础上引入区域梯度，然后根据匹配度的类型和测量值进行小波低频系数的选取。
Results also show that decrease of pressure gradient in winter and spring influences dust weather frequency by affecting wind speed indirectly.
冬春季节气压梯度的减小是风速减小、进而导致沙尘日数减小的关键间接因素。
Variations among different populations are represented by the gradient of frequency of some features.
种群变异表现为性状出现频率的递交。
Magnet system composed of main magnetic body, gradient coil and radio frequency coil.
其中磁体系统包括主磁体、梯度线圈和射频线圈。
The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.
文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。
An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).
基于完全互信息梯度表达式及得分函数差分的性质，提出一种在线频域盲解卷积块算法。
An abrupt gradient zone with higher R values may be a radical deformed zone of the lithosphere , it mostly corresponds to an seismic active region with higher intensity and frequency;
高R值强转折梯度带很可能是岩石层的剧烈变形带，多对应于地震高强度、高频度活动区；
The enhanced gradient operator was designed to stand out the edge of image and retain the low frequency information.
此外还开发了增强型的梯度锐化算子，它既突出了边缘信息，又保留了低频信息，便于人和机器的一些后续处理。
The gradient generation coil assembly is stiffened to suppress low frequency vibration of the gradient generation coil assembly.
梯度产生线圈组件被刚硬化以抑制梯度产生线圈组件的低频震动。
The invention relates to a method for preparing a high-frequency ferromagnetic film material with component gradient under the room temperature condition.
发明涉及一种在室温条件下制备具有成分梯度的高频铁磁薄膜材料的方法。
A magnetic resonance imaging scanner (10) includes a main magnet (12), magnetic field gradient coils (16), and one or more radio frequency coils (18).
一种磁共振扫描器(10)包括主磁体(12)、磁场梯度线圈(16)和一个或多个射频线圈(18)。
The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.
本文引入预条件共轭梯度法，提出了结合频域有限差分法结合分析二维柱体的电磁散射问题。
The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.
本文引入预条件共轭梯度法，提出了结合频域有限差分法结合分析二维柱体的电磁散射问题。
应用推荐