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The effect of decision threshold on OCDMA system BER performance is analyzed.

理论分析了接收机判决阈值的选取对OCDMA系统BER性能的影响。

A method based on wavelet threshold denoising and Hilbert-Huang Transform was proposed to solve the fault diagnosis problem of four-way valves.

提出一种基于小波阈值去噪和希尔伯特－黄变换的故障诊断方法。

Objective To investigate the effects of intrathecal carbenoxolone,a gap junction blocker,on thermal pain threshold of complete Freund's adjuvant arthritis rats.

目的研究鞘内注射缝隙连接阻滞剂甘珀酸对佐剂性关节炎大鼠热痛阈的影响。

The principle of automatic derterminating threshold based on gray scale histogram of image data in valid region is analyzed.

介绍了该方法的实现过程，并分析了在有效区域内根据图像数据的灰度直方图自动选择二值化阈值的原理。

Table 2 Effect of impregnation order on the monolayer dispersion threshold of NiO.

表2 浸渍次序对NiO 的单层分散阈值的影响。

Firstly,effectively edge information was picked-up by comparing and choosing maxima from colour weight gradient images.Then,a method based on multi-threshold segmentation was proposed,which can eliminate inefficacious gradient information.Finally,procedures and results of the algorithm were introduced.

首先比较并选取彩色分量图像梯度信息的最大值，达到提取图像有效边缘信息的目的；然后提出基于多阈值分割的方法消除无效梯度信息；最后介绍了算法的步骤及结果。

At the beginning of this paper a quantity standard of luminance uniformity based on visual modulation threshold function is proposed.

对于亮度不均匀的问题，目前基本上是从改进器件结构和制造工艺两方面来着手解决的。

Yet on a recent Saturday afternoon it was empty; not one person among the throngs of Cubans and tourists strolling down Calle Obispo felt inspired to cross its threshold.

在最近的星期六午后仍然它是空的；不闲逛下 Calle Obispo 的在古巴人和旅游者的群众之中的一个人激发横断它的门槛。

For all other applications,-1 and -3 versions provide the lower on threshold of 9V.

对于所有其他应用程序，-1和-3版本提供的9V门槛较低。

Objective To investigate the effects of purine nucleotides compensation on pain threshold in heroin dependent rats.

目的 探讨嘌呤核苷酸补偿对海洛因依赖大鼠痛阈的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。