因为要做好工作,确实需要精确地估计每个分区需要多少空间,所以硬盘驱动器分区可能是非常烦人的事。
Hard drive partitioning can be annoying because to do a good job you really need to accurately estimate how much space you'll need for each partition.
图17显示了本文中查询样例的索引建议,以及估计的性能提升和DASD空间需求。
Figure 17 shows the index recommendations for the sample query in this article, together with an estimated performance improvement and DASD space requirement.
在用电高峰期估计需要550亿瓦,这为基本的能源节约方式留有空间,比如更少使用空调和照明,以节余的电量来避免电力危机。
Demand is estimated to peak at 55gw, which leaves room for basic energy-saving measures, like using less air-conditioning and lighting, to avert a power crunch with capacity to spare.
到达牛市的过程中,那就为进一步高额收益创造了空间:粗略估计,2007年6月这项指数的收益差是138个基点(少于1.5个百分点)。
To the bulls that leaves room for plenty of further gains: at its narrowest, in June 2007, the spread on this index was 138 basis points (less than one-and-a-half percentage points).
有一次,我过高的估计了机器人的头上空间,结果它的头撞到了一个较低的门廊并翻倒了。
I bumped my robot’s head on a low overhang because I overestimated the headroom, and it tipped over.
美国宇航局初步估计此次事故碎片在空间站与人造卫星发上相撞的机率“很小”,但以后相撞的机率会“增加”。
NASA's initial estimate is that the space station faces a "very small" but "elevated" risk of being struck.
主要研究空间预警系统利用星载红外传感器的视线测量估计弹道导弹自由飞行段弹道的问题。
By using the line of sight (LOS) measurements from space based infrared sensors, free flight phase trajectory estimation problem of ballistic missile is studied.
针对MAP法提出了具体算法和参数估计方法。并提出应用图象分割法来提高计算机复原速度,节省存储空间。
We derive the algorithm and parameters estimate method for the MAP restoration, and propose the image sectioning to speed up the restoration and save memory space.
而在浅海环境中,由于到达垂直线列阵的声波并不满足平面波假设,其空间增益需要作出正确估计。
However, in shallow water, because the arrival signals of the vertical linear array are not plane waves, the spatial gain needs to be estimated properly.
美国宇航局表示,预测人员估计太空碎片将于4点21分经过空间站,宇航员们在约两小时之前的2点41分收到警报解除信号。
The crew was given the all-clear signal at 2:41 p.m., NASA said, less than two hours before the 4:21 p.m. estimate officials had given for when the debris was expected to pass by the station.
查询优化是查询处理研究的一个主要问题,为此着重分析研究了查询优化所涉及的代价估计、查询规划和搜索空间等相关问题。
Query optimization is the main problem of query processing research, thus in particular discusses cost estimated, query plan, search Spaces and so on related problems.
更好的估计和焦距的透镜畸变能获得网格定位准确在尽可能多的图像尽可能的空间。
Better estimates of lens distortion and focal length will be obtained if the grid is positioned accurately over as much of the image space as possible.
利用导频符号进行信道估计,并作为空间波束成型器的参考信号。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
定义估计用于存储堆中的数据的空间量所需的步骤和计算。
Defines the steps and calculations needed to estimate the amount of space required to store the data in a heap.
并且简单介绍了基于最小描述长度(MDL)原理的信源数目估计方法以及基于子空间投影技术的MU SIC算法。
Furthermore the source number estimation method based on theory of MDL and the algorithm of MUSIC based on sub-space projection technique are also introduced briefly.
出版商们对此尤为惊恐,因为数字图书的利润空间已经跟印刷版的一样小了,虽说电子书不需要印刷也不需要运送到零售商那里,但是投资银行Credit Suisse估计,这一部分费用只占印刷版书籍零售价的十分之一。
This is particularly alarming for publishers because digital margins are almost as slender as print ones. True, e-books do not need to be printed and shipped to retailers.
通过对相关矩阵进行特征值分解,估计信号子空间和噪声子空间,并利用MU S IC算法估计宽带LF M信号的波达方向。
Through estimating the signal and noise subspaces with the eigen-decomposition of the correlation matrix, the MUSIC algorithm is used to estimate the DOAs of LFM sources.
使用一种修改的ULV更新算法进行噪声子空间跟踪,该算法不需要相关矩阵的秩估计,直接估计噪声子空间。
A modified ULV updating algorithm. is applied to performing noise subspace tracking. The algorithm does not require rank estimation of the correlation matrix, and estimate directly the noise subspace.
常规多信号分类(MUSIC)在估计信号或噪声子空间时未利用阵列的方向矢量信息。
Information on the steering vector is not exploited when estimating signal or noise subspaces in the standard multiple signal classification (MUSIC) method.
第二种方法是基于虚拟子载波的子空间盲信道估计方法。
The second method is based on the virtual sub-carrier subspace blind channel estimation method.
实验结果表明,这种方法不仅可以估计出散射元的平均间距,而且还能估计出散射元的空间分布及概率分布。
The experimental results show that this new method can be used to estimations of spatial distribution and the probability distribution of scatterers .
这是我师兄做的空间谱估计的内容。
相干信号源的测向是空间谱估计的一个难题。
DOA of correlated signals is difficult question of space spectrum estimation.
提出一种基于信号子空间估计,用于频率选择性衰落信道的盲多用户自适应接收机。
In this paper, a blind multiuser receiver for frequency-selective fading channel based on subspace tracking has been presented.
波达方向估计是利用天线阵元对空间信源的来波方向进行估计。
DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source.
对信号波达方向(doa)的估计是空间谱估计研究的主题。
The main studied topic of spatial spectrum estimation is the direction of arrival (DOA) of spatial signals.
基于空间频率的方法估计纹理的自相关函数。
Methods based on spatial frequencies evaluate the coefficients of the autocorrelation function of the texture.
基于空间频率的方法估计纹理的自相关函数。
Methods based on spatial frequencies evaluate the coefficients of the autocorrelation function of the texture.
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