1) gradient of position line
船位梯度
2) grids of position lines
船位线梯度
1.
This paper discusses the method of landmark analytical orientation by using grids of position lines and dead reckoning,explains the process of analytical orientation through examples,finally,sums up the matters to be paid attention to while applying this method and points out the research significance thereof.
论述了利用船位线梯度,借助推算船位进行陆标解析定位的方法步骤,通过示例解释了解析定位过程,总结了该方法的应用注意事项和研究价值。
3) voltage gradient
电位梯度
1.
The voltage stabilization of high voltage gradient ZnO varistors;
高电位梯度ZnO压敏电阻的高压稳压性能研究
2.
The values of soil voltage gradient,pipe-to-soil potential and stray current of the buried pipeline had been systematically investigated on the spot.
以新大线输油管线杂散电流干扰腐蚀问题为研究对象,进行干扰调查,并现场测试管地电位、土壤电位梯度、土壤电阻率和管线的杂散电流等参数。
3.
The values of soil voltage gradient pipe to soil potential and stray current of buried pipeline have been measured.
测试了土壤电位梯度、管地电位和地下管网的杂散电流 ,结果表明杂散电流干扰是造成地下钢管腐蚀的重要原因 ,为排流或其他保护措施的设计提供了依
4) potential gradient
电位梯度
1.
Indicate: potential and potential gradient parameters of first field can′t reflect the ore, but pure anomaly and apparent resistivity can well reflect.
以点源电流场中的体极化球体为例，通过理论计算总结出当充电点位于地面不同位置和地下不同深度时，不同参数的剖面和平面异常分布规律：一次场电位和电位梯度参数反映矿体能力很差，而纯异常和视电阻率参数反映能力较强；二次场的电位参数反映能力较差，而电位梯度和视极化率参数反映能力较强。
2.
With respect to the characteristics of stray current and the inspection circumstance for urban rails system,a home-made equipment was developed for measuring the pipe-to-soil potential and soil potential gradient of the gas pipelines at Shanghai.
简述了杂散电流引起管道腐蚀的基本原理,针对城市轨道交通杂散电流的特点及测试要求,通过自行研制的设备对上海某煤气管道进行了管地电位和土壤电位梯度的现场检测。
5) phase gradient
相位梯度
1.
Classic phase gradient autofocus(PGA) algorithm can be only applied to narrow band spotlight synthetic aperture imaging.
传统的相位梯度自聚焦(PGA,phase gradient autofocus)算法仅适用于窄带聚束式合成孔径成像。
2.
The results of Gabor filter banks are used as the new features of image for the computation of the spatial-temporal phase gradient.
提出一种联合Gabor滤波器和加权最小二乘法估计序列图像光流的方法,用Gabor滤波器的滤波结果作为新的图像特征来计算空间和时间相位梯度。
3.
The image is transformed by using Gabor filtering from six orientations, then the transformed image is added on every orientation, results are used as the new image features for the computation of the spatio-temporal phase gradient.
该方法选择6个方向对图像进行G abor滤波,并把每个方向滤波后的图像叠加,作为特征图像计算时空相位梯度,再用相位梯度计算光流。
6) electric potential gradient
电位梯度
1.
The method of electric potential gradient application to test metal length in the pile;
电位梯度法在检测桩基金属长度中的应用
2.
Tests reveal that the bottom of the reinforcement cage corresponds to the minimum of the electric potential gradient curve and the inflexion of the electric potential curve.
根据充电法原理,结合模型桩试验,分析了钢筋笼周围的充电电场特征,结果表明钢筋笼的底端对应于电位梯度曲线的极小值点及电位曲线的拐点。
补充资料：G(?)teaux梯度
G(?)teaux梯度
Gateaux gradient
‘凌如以梯度【珑加倒优脚曲斌;raTo rp”脱.TI，田-咖李回H的俘甲f夺丁卓x0牛的 H中与f在x。的C自妞.玫导数(G云姗uxderi珊tiVe)f。(x。)相等的向量.换句话说，G舀teaux梯度由公式 f(x。+h)二f(凡)+(无(x。)，h)+。(h)定义，其中。(th)/t~0，当t~0.在”维Eodid空间中C冶姗以梯度f。(x。)为具有坐标 了叮(x。)___盯(凡)、 \口x:”口x，了的向量，并简称为梯度(脚djent).C冶如ux梯度概念可以推广到下列情形:X为侧组日的n流形(有限维)或无穷维Hilbert流形，而f为X上光滑实函数.f在其C冶如以梯度方向上的增长大于过此点任何其他方向的增长. B.M.THxo栩叼Po.撰郑维行译沈永欢、王声望校
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条