偏差

However, OFDM is very sensitive to synchronization errors which include timing offset and frequency offset.

但是OFDM系统对于包括符号定时偏差和频率偏差在内的同步偏差非常敏感。

It has a tolerance of 0.001 of an inch.

允许有0.001英寸的偏差.

Even in this limit, gases still show small deviations from the equation.

既使在这样的极限条件下, 气体仍然对方程表现出小的偏差.

The report has been rejected by the authorities, who said much of it was based on supposition or inaccuracy.

当局驳回了该报告，称其许多内容有的纯属臆测，有的存在偏差错误。

Some deviations from standards have rather little meaning, and others have a great deal.

某些偏离标准的偏差可能影响不大, 而另一些偏差则可能影响很大.

By making use of grey prediction, the error item in the traditional PID control is substituted by the integrated error composed of output error and predictive error.

利用灰色预测对系统的输出偏差和预测偏差进行合成形成一个综合偏差，用来代替传统PID控制中的实际偏差项。

Energy ( variance ) of the small-scale motions is not homogeneous.

小尺度运动的能量 ( 偏差 ) 是不均匀的.

We were by now under no misapprehension about the extent of the problem.

到目前为止，我们对问题的严重程度的理解并无偏差。

Variances associated with the spectra are also given in table 2-5 .

表 2-5 中也给出了与光谱有关的偏差.

The phase difference caused by piston error translated with the tiled-grating compressor, the focal spot was affected by both non-integral number of grating space and out-of-plane piston error.

位移偏差引入的相位随着拼接光栅压缩器传递，其对远场焦斑的影响，取决于每片子光栅的非整数倍光栅常数的横向位移偏差和纵向位移偏差的综合作用。

Determined by circuit requirements , NOTE that chip prices decrease with lower capacitance value and looser tolerance.

容量与偏差的选择取决于电路本身的需要, 注意,电容器的价格随容量值得降低和偏差增大而相对便宜.

The standard deviation from the mean is the preferred quantity.

用平均值得出标准偏差是优先采用衡量的单位.

Judgment is often biased by interest.

判断往往因利害关系而产生偏差.

Given data which are free from bias there are further snares to avoid in statistical work.

即使数据本身不存在偏差在统计工作中仍需要避免其他陷阱。

The results indicated that the average absolute deviation ad maximum deviation were 0.72 % and 1.67 % , respectively.

实验结果表明,测量的实验结果与文献值的平均偏差为0.72%, 最大偏差为1.67%.

This azimuth motion is known as the ballistic deflection error.

这种绕方位轴的运动称为冲击偏差.

This thesis analyzes some influences on the performances of OFDM digital communications, which include carrier frequency offset, symbol timing offset and sampling clock offset.

分析了载波频率偏差、符号定时偏差和样值频率偏差对OFDM系统性能的影响。

Standard deviation, RSD and confidential limIt'should be reported.

均应报告标准偏差 、 相对标准偏差和可信限.

A departure from these is suggestive of an active process.

其中出现的偏差暗示着有一种主动的过程.

Combining yarn weight deviation and drawing frame weight deviation to adjust wheel gear, valid control weight deviation per hundred meter yarn and weight CV% was achieved.

兼顾成纱重量偏差和末并单机台重量偏差来调整末并牵伸齿轮，达到有效控制成纱百米重量偏差和重量CV%的目的。

The strip thickness deviation and the rolling force difference were predicted by BP neural networks, and a correction algorithm was carried out to rectify these deviations by changing the roll gap.

对带钢厚度偏差和轧制力偏差进行BP智能预测，并提出变辊缝法偏差校正算法实现偏差校正。

In order to avoid such problems as symbol sliding, phase shift of pseudorandom noise code and carrier phase offset, an improved method of frequency offset estimation is proposed.

为避免采样频率偏差给卫星导航接收机带来的符号位滑动、伪随机噪声码相位移动和载波相位偏差等问题，提出了一种改进的频率偏差估计方法。

The judgement is often biased by interest.

判断往往因利害关系而有偏差.

The arithmetic of nuclear running costs has been skewed by the fall in the cost of other fuels.

核运营成本的计算由于其他燃料的降价而出现了偏差。

Nearly half the missiles landed wide.

有近一半的导弹落点出现偏差。

An error mathematic model of minimum deviation ellipse interpolation method was established, complete induction was adopted to prove that the error of minimum deviation ellipse interpolation method is not more than half pulse equivalence.

从建立最小偏差椭圆插补算法的偏差公式的数学模型入手，利用数学归纳法证明了采用该方法得到的偏差不大于1/2个脉冲当量，并用实例加以验证。

Cognitive bias of information collecting period are heuristic bias and perception bias.

信息收集阶段易产生的偏差为启发式偏差和知觉偏差。

Take care not to deviate.

当心不要出偏差.

It can be compared one variance with the other only they are homogeneous, so the deviation e ( t) was subdivided into the deviation of production time and the deviation of production cost etc. The calculation methods of the deviation e ( t) was represented.

只有同质才能比较，因此把偏差e（t）细化成生产时间偏差和生产成本偏差等，并给出了计算方法。

Following the introduction of the basic principle of OFDM, some nonideal effects on the performance of OFDM systems are discussed, such as carrier frequency offset, symbol timing offset and sampling clock deviation.

本文在简要介绍了OFDM的基本原理、关键技术的基础上，针对同步问题进行了深入研究。首先分析了同步偏差中的频率偏差、符号定时偏差及采样时钟偏差对系统性能的影响。