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Introduces a method of taking the value of braking deceleration when the shaft single-rope winding cage was braking,and breaking deceleration when overfall puts forward the gravity of a cage with braking force and the deceleration degree three correlation,puts forward reasonable value characteristic index of safety catch and overfall ,thus attaining to the optimun design of braking force.

介绍了立井单绳提升罐笼在断绳时制动减速度、过放时防坠器制动力的取值方法,提出了罐笼的重力与制动力及减速度三者间相互关系,防坠器及防过放制动力特性系数的合理取值,从而达到制动力优化设计。

The error compensation is introduced in the interpolation algorithm to increase the interpolation point's solution precision in the cutting direction of the parametric curved surface. The reasonable simplification of the computed result of the interpolation point's parameter value is carried in the operation process by focusing on the character that curvature of slow-varying parametric curved surface changed slowly and the feature that the scanned profile of translational scanned curved surface is parallel along the scanned line.

通过引入误差补偿值以提高参数曲面在走刀方向上插补点的计算精度,针对缓变参数曲面曲率缓变和平移扫描曲面扫描轮廓沿扫描线平行的特点在运算过程中对插补点参数值的计算结果进行合理简化。

Analysis of the feature and geometry of the normal compaction trend is used to establish the compaction trend with polynomial of degree 2 or 3 or polygonal line, and to predict the distribution of geopressure using the method of seismic transit time deviation -pore pressure gradient in Yinggehai bas.

研究了压力预测的方法,推导地震声波时差差值—压力梯度法的计算公式并指出它的优点是能够充分利用已知的钻井实测压力资料;从理论上分析了正常压实趋势线的性质和形态,并用2~3次多项式和分段函数建立正常压实趋势线;根据莺歌海盆地高温高压及沉积速率高、泥底辟发育的特征,建立合理的压实趋势线,并用声波时差差值—压力梯度法预测了莺歌海盆地的压力分布。

The error compensation is introduced in the interpolation algorithm to increase the interpolation point's solution precision of the parametric curve, and the reasonable simplification of the compensation expression is carried in the solution process to decrease the calculation load of interpolation.

通过引入误差补偿值以提高参数曲线插补点的求解精度,在求解过程中对误差补偿值进行合理简化以降低插补计算量。

The length of the sunward merging line between the two peaks of reconnection potential shows a non-monotonic variation in response toθ_,peaked atθ_=90°,so it is also not justified to take electric fields along the merging line to characterize the the total reconnection rate and the coupling strength between the solar wind and the magnetosphere.

3向阳侧磁合并线电势的最大值和最小值之间的合并线长度与θ_IMF的关系是非单调的,在θ_=90°时最长,因此用合并线上的电场来取代重联电压来表征总的重联率和太阳风一磁层耦合程度也不合理。

We obtain the eigenfunction through inverse transform,and select appropriate threshold to extract iso-surface.We append the weighted coefficients on sampling density for non-uniform sampling to further compute rational thresholds.

调用快速傅立叶变换FFTW(The Fastest Fourier Transform in the West)软件包,根据点的位置和法向量计算傅立叶系数,通过逆变换求出特征函数,选择合适的阈值提取表面的等值面,对于非均匀采样通过采样密度的加权系数进一步计算合理的阈值。

The computational complexity has been reduced about 5 times over against the original one. Moreover, the interpolation and quantization processing of CW is more reasonable; 2. A secondary power normalization algorithm is proposed in this dissertation. This normalization algorithm ensures that the energy sum of SEW and REW is 1. So, the energy ratio of SEW and REW can be achieved only by using SEW energy. This ratio is applied in REW quantization and CW composition; 3. For more efficient quantization for Slowly Evolving Waveform magnitude, Rapidly Evolving Waveform magnitude and power parameters, firstly, by applying the Equivalent Rectangular Bandwidth theory, classifiable multi-codebooks method, analysis-by-synthesis approach and so on, a predictive AbS multi-codebooks SEW magnitude quantization scheme is proposed. In the scheme, pitch information is exploited to determine which codebook is searched; secondly, for REW magnitude quantization, this dissertation proposed a DCT-matrix multi-codebooks quantization scheme. The classification in muti-codebooks is based on pitch and quantized SEW power. The multi-codebooks structure may offer more the information in quantization and solve the problem of the bit requirement limits in quantization by consuming some extra storage space; Furthermore, for the switch quantization of CW gain, a new classified parameter is proposed.

本文的主要贡献体现为如下几方面:一、为了减少WI模型的计算复杂度,提出了基于快速傅立叶变换、三次B样条插值和周期延拓技术的特征波形(Characteristic Waveform,CW)表示和对齐的快速算法,与原方法相比,计算量下降到原方法的1/5,同时也使得CW在插值和量化时更合理;二、为了严格保证SEW与REW的能量和为1,提出了一种特征波形的二次功率归一化算法,仅需要SEW能量就可以算出二者的能量比,并可应用到后续的REW的分类量化和CW合成中;三、为了对慢渐变波形(Slowly Evolving Waveform,SEW)幅度、快渐变波形(Rapidly Evolving Waveform,REW)幅度和特征波形功率进行有效量化,本文首先采用临界频带理论、分析合成技术、感觉加权技术以及预测式矢量量化技术,提出了一种基于基音周期分类的SEW分析合成预测式多码书量化方法;其次,本文根据基音和量化后SEW的功率信息对REW幅度进行分类,提出了一种基于离散余弦变换的REW矩阵多码书量化方法。

The static analysis for the flat reflector of interferometer in unassembled and assembled is studied by finite element method, horizontal and vertical placement under gravity load is analyzed. The calculated PV and RMS values are used to determine whether the distortion and the structure of fixation are reasonable or not.

应用有限元方法对干涉仪的装配前后的平面反射镜进行了静力学分析,对其在重力作用下水平和垂直放置时进行了分析,通过计算镜面变形的PV值和RMS值来评价是否超差及固定反射镜的结构是否合理。

In pressure of influence underbalanced drilling,such as drilling fluid column pressure,annulus pressure,underbalance pressure,wellhead back pressure and formation pressure etc.,the formation pressure is basic pressure.Because all pressure calculations are built on the basic pressure.

认为在影响欠平衡钻井的钻井液静液柱压力、环空压耗、欠压值、井口回压、地层压力中,地层压力是首先要搞清楚的最基础的压力,最好先求出地层压力而不必急于进行欠平衡钻进,因为一切欠平衡的压力计算都是建立在这个基础压力之上的;再根据地层压力确定合理的欠压值,确定所用的钻井液密度。

Liaoning old industrial base is taken as a demonstration,by means of emergy analyzing methods,through conversion process of substantial economic,resourceful and environmental data,a emergy evaluation on Liaoning old industrial base is made,the results indicating that the progress of Liaoning\'s economy mainly depends on the consumption of unrenewable resources,such as the consumption of minerals and petroleum,the economic structure being irrational.

以辽宁老工业基地为实证,运用能值分析方法,把大量的经济、资源、环境等数据进行转换处理,对辽宁老工业基地进行了能值评估,结果表明:辽宁经济进步主要依靠本地不可更新资源,突出表现在矿石消耗、石油消耗上,经济结构不合理。

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推荐网络例句

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了,请告诉我,我会帮助你摆脱困境,真的,请联系我啦!

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放,就是一个这样的例子。

Well, Jerry would rattle off all the details of that movie.

那么,杰瑞会急促背诵那部电影所有细节。