单位长度

用保角变换法计算单芯偏心电缆单位长度的自感基于Radon变换的图像角点角度提取算法

Calculation of the Self Inductance Per Unit Length of an Eccentric Cable by Conformal Mapping ; Method of Angles Picked-up of Corners in Images Based on Radon Transform

就此，提出基于混合粒子群优化（PSO）算法的基坑土钉支护优化设计方法，以单位长度土钉墙的土钉材料造价作为优化的目标函数。

In this paper , the hybrid particle swarm optimization ( PSO ) algorithm is used in optimal design of soil nailing for deep excavations , the cost of soil nailing material in one unit length of wall is taken as the objective function .

采用合成渐近法，本文首先推导出两层有耗介质上的微带线单位长度电容的CAD公式，从而可以计算出微带线特征阻抗和传播常数；

In this thesis , CAD formulas are obtained by synthetic asymptote for three structures , First , we obtain the simple CAD formulas of a microstrip line on two-layer substrate with loss ;

以单位长度特高压交流输电线路的等值电路为基础，推导出了精确考虑分布参数特性的特高压长距离输电线路Ⅱ形等值电路的参数计算公式，并在MATLAB/SimpowerSystems中构建其仿真模型和对话框。

Based on the equivalent circuit of unit-length line , calculating formulas of parameters in Π - type equivalent circuit of UHV line with distributed parameters considered accurately are obtained , meanwhile , the simulation model with dialog box is established under the environment of MATLAB / SimPower Systems .

以舱段单位长度重量最轻为目标函数，选取了20个设计变量，从DNV规范中提取了32个关于总强度、稳定性等要求作为约束条件，并设计了相应的遗传算法数学模型。

The optimization model with 20 design variables and extract 32 constraint conditions from DNV rules about longitudinal strength and buckling strength is established . Correspondingly , the genetic algorithm model is then built for the optimum design .

抽运源有效激活长度为60cm，单位长度的沉积功率为45MW/cm。

The pump source is a single channel sectioned discharge on the Teflon surface with the average deposit power density of about 4 5 MW / cm in the first half period of the discharge . The effective active length is 60 cm .

对于DBI整体宇宙弦，我们利用线性近似，计算了其单位长度质量，并发现在远离弦核处，其单位长度质量与弦半径更大的正则整体弦相似。

For DBI global cosmic sting , we calculated their mass of unit length by linear approximation , finding that in the region far away from the core of the string , its mass of unit length is similar with that of a canonical global string with larger core radius .

地形长度：地形的单位长度。

Terrain Length : The length of the Terrain in units .

单位长度伸长接地体冲击特性的真型试验

Impulse Experiment for Real Extended Grounding Electrode in Unit Length

单位长度的磁带上所记录的二进制代码数。

Number of binary code recording on magnetic tape per unit length .

我的意思是，单位长度变小了。

I mean , my unit length is smaller here than here .

也就是说，单位长度等于半径。

So , take the length unit to be equal to the radius .

单芯偏心电缆单位长度电容的计算

Calculation of excentral cable 's unit length electric capacity

轴的单位长度扭转角

Angle of twist per unit length of shaft

位错线上单位长度的吸引能随着空位团浓度的降低而降低。

The energy per unit length decreases as the concentration of vacancy clusters decreases .

梁纵截面单位长度法向内力计算公式

Formula for calculating internal normal force per unit length in longitudinal planes of beam

GB/T4669-1995机织物单位长度质量和单位面积质量的测定

Textiles Woven fabrics Determination of mass per unit length and mass per unit area

关于管道单位长度水头损失计算公式的探讨

Discuss on the Computational Equation for the Head Loss of the Unit Length of Pipe

等离子弧表面淬火的单位长度能量对硬化深度的影响

Effect of the Unit Length Energy on the Hardening Depth by Plasma Arc Surface Quenching

正改应变或线应变由每单位长度内的长度改变量来定义。

Normal or linear strain is defined as the change in length per unit length .

算法本身内蕴了对四元数单位长度的限制，不再需要任何归一化处理。

The unit length limitation of the quaternion is guarantied inherently in the new algorithm .

本文提出单位长度管线造价及管网能耗即环状管网年动力费的计算方法。

This paper advances calculation method for unit construction prices of pipelines and annual power cost .

扭力的强度，扭力的角度轴的单位长度扭转角

The degree or angle of torsional stress . angle of twist per unit length of shaft

无限长平行导体回路单位长度自感的精确计算

The Precise Calculation of the Induction on Unit Length Of Two " Infinite Length " Parallel Conductor

非对称平行双线传输线单位长度电容的精确计算

The Exact Calculation of the Capacity of Unit Length of the Asymmetric Ribbon Type Feeder Transmission Line

随着光照强度的降低，无性系单位长度根茎生物量下降。

With the decrease of light intensity , rhizome biomass of clone and per unit length declined .

因此应根据土壤特性，选择合适的单位长度管井换热量。

Appropriate quantity of heat exchange of unit length tube well should be chose according to edaphic characteristics .

有线电视泄漏与窜入每单位长度的漏泄电导

Leakance per unit length

从理论上对两个定义下的矩形管道单位长度摩擦阻力进行了分析和论证。

Friction resistance of unit length of rectangular pipeline under the two definitions was analyzed and demonstrated theoretically .

根据导体回路自感的定义，给出了计算无限长电缆单位长度上自感的一般计算方法。

The general method of calculating unit length induction of infinite length electric cable is proposed according Loop induction .