两分

First,we show a compactness theorem in SBH,then byusing this compactness theorem,we discuss variational problems for two different func-tionals.

首先给出了SBH空间的一个紧性定理，然后利用这个定理讨论了两个不同泛函的变分问题。

We could easily write a more general comparison function that took two parameters, the string and the size.

其实很容易写出更通用的比较函数，使它带有两个形参，分别是 string对象和一个长度大小值即可。

to reduce the impact of carrier frequency offset in ofdm system,this thesis designs a new carrier frequency offset estimation scheme for ofdm system.the carrier frequency offset estimation includes acquisition and tracking.we adopt variable step size adaptive algorithm.the acquisition range of the proposed algorithm is as large as one half of the overall signal bandwidth.through this method we can not only avoid the feedback by using forward error correction,but also reduce the times of complex multiplication in order to reduce the power consumption of the system.this algorithm not only has low complexity and fast convergence nut also can improve the demodulation performance of ofdm system.computer simulation illustrates the superior performance of the proposed algorithm with regard to estimation accuracy in both awgn channel and multi—path channel.

摘 要：为了减小正交频分复用系统受频率偏差的影响，在ofdm系统中设计了一种新的载波频偏估计算法。频偏估计包括跟踪和捕获两个阶段，文中采用变步长自适应算法来进行跟踪，这个跟踪算法的捕捉范围是整个信号带宽的一半。通过此方法，不但可以利用前向纠错的方式来避免反馈，而且可以缩减复数乘法的次数以降低计算复杂度和系统功耗。该方法运算复杂度低，并具有较好的收敛性，能改善odfm的解调性能。从计算机的仿真效果可以看出无论是在awgn信道上还是在多径信道上都表现出了卓越的性能。

Chapter 2 is composed of two parts.

第二章分两个部分。

The competition comprises of two stages namely conceptive plan at stage one and detail plan at stage two.

征集分两个阶段，第一阶段为概念性方案征集，第二阶段为方案深化设计。

However, they have respective purposes and value, so, it is important to divide them reasonably and avoide their unnecessary concurrence.

然而，两种责任的目的与价值并不相同，因此，合理厘定二者的界限，避免不必要的竞合十分重要。

Continuity equation and motion equation which can be applied to cone-shaped pipes are obtained and finite difference method for them is brought forward.

根据非稳定流的一维流动理论，对圆锥形管道中的瞬变流动进行了分析，推导出了适用于圆锥形管道的连续性微分方程和运动微分方程，给出了这两个方程的有限差分解法，同时对计算结果进行了相对误差的对比分析。

Heb.河北.1:14 describes them as "ministering spirits" in a conflation of the two parts of Ps.

1点14分介绍了他们是" ministering精神"在混为一谈的两个部分的PS 。104：4。

Two blind girls, aged 9 and 16, became the beneficiaries of Cong's final donation.

两个分别是9岁和16岁的失明女孩，成为丛飞最后捐赠的受益者。

And it was divided into four groups at randomly (n=6),The vertical compression,bending and torsion intensity in without and with reduction of cortical fragment of plate fixated contra side, without and with reduction of cortical fragment of plate fixated sidewere measured.A11 results were analyzed with statistic method.2、animal experiment :The 12 adult goats were divided into two group at randomly,wedged cortical defect with 1 cm of long and conjugate diameter was created in the middle-part of the medial femur and plate was fixed in the defect side and as the experimental side,the other side was control.after operation 4、8、12 weeks,investigation of the fracture healing by means of gross observation,X-ray examination and histology in both sides.

测试各组的垂直压缩、三点弯曲及抗扭转的刚度。2、动物实验：12只健康成年山羊，雌雄不限，体重在20～25kg之间，在同一只羊双侧股骨中段内侧制造楔形骨皮质缺损，分实验组和对照组两组进行钢板内固定并植骨，于术后4、8、12周对实验组及对照组行X线正位片检查，观察骨折愈合过程中不同时间点的影像学特点。于4、8、12周各组处死4只动物行大体标本观察，并取缺损区骨组织行组织学检查。X线检查及组织学检查结果根据LaneX线评分标准及组织学评分标准进行评分。最后采用SPSS13.0进行统计学分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。