threshold ratio

Users are divided into two groups, according to a threshold set by the ratio of local user channel gain and sum channel gain of all the users.

根据本地用户信道增益与所有用户信道增益之和的比值设定一个门限，将用户分为两组。

Some aspects of development of studies on ocular injury effects of ultraviolet, visible and infrared laser, including the ocular damage threshold investigations conducted in China and the important data of threshold ratio be-tween yellow race people and animal eye damage were reviewed in this paper.

本文综合评述了紫外、可见及红外激光眼损伤效应研究的若干进展，包括我国激光损伤阈值的研究概况，特别是黄色人种眼损伤阈值与动物眼损伤阈值之比的重要数据。

The basis of the theory model of laser radar for direct detection is built on that the maximal detectable distance is decided by certain detection probability, false-alarm rate, signal noise ratio and threshold noise ratio.

从虚警概率、探测概率、信噪比和阈值噪声比决定最大探测距离的这一角度阐述建立直接探测激光雷达模型；假设在直接检测方式下，探测器噪声可以用高斯概率密度函数表示；

The relation between the threshold and the ratio of the lowest resonance frequency to the end vibrating frequency is also discussed in the report.

文中还讨论了阈值同共振腔最低阶共振频率与壁振动频率之比的关系。

In common configuration, people usually configure threshold as ratio of minimum RSS. So that, we calculate the ratio ri and rt, of each threshold comparing to minimum RSS.

在通常设置门限时，往往设置为最低接收门限的比率，因此计算了各门限与接收门限的比率ri、rt。

Set the166XL for slow Hard Knee compression, with a fairly low THRESHOLD and a moderate RATIO.

设置166XL进行慢的硬拐点压缩，相当低的THRESHOLD和一个适度的RATIO。

After one year in 5% MgCl 2 solution the threshold of stress ratio of beforehand loading for gas permeability is 0.2 lower than in the seawater.

经5%MgCl2溶液腐蚀1年后的试样，其气体渗透系数的预置应力比阈值较同条件下人工海水腐蚀的试样至少小0.2。

Finally a simulation is conducted to test the impact of compatibility threshold on the success ratio of service composition, and the result proves the necessity for compatibility checking in the selection stage.

最后实验考察了相容度阀值取值对组合服务成功率的影响并证明了在服务选择阶段进行相容性检查的必要性。

Image coherent ratio threshold is introduced as the end conditions of denoising.

在医学图像去噪中，为了解决稀疏自适应去噪问题，引入了图像相干比阈值作为医学图像去噪的结束条件。

The relation between the wavelet threshold and the signal-to-noise ratio in wavelet image denoise is presented. From many simulations of wavelet image denoise, the unimodal property between the wavelet threshold and the signal to noise ratio ( SNR) under different noise strength was developed.

本文研究了小波图像去噪过程中阈值与信噪比的关系，通过大量的仿真得出了小波图像消噪过程中，在不同的噪声强度下，信噪比与小波阈值之间存在单峰性的特征。

In the classification respect, the minimum distance classifier combining with the threshold with minimum error ratio are used as the decision rule.

在分类决策阶段，选取最小距离分类器和具有最小错误率的分类阀值形成组合的分类决策规则。

The experimental results show that, a tensile overload was followed by higher fatigue threshold and higher overloading ratio and lower material yield strength accompanied higher fatigue threshold.

实验表明：四种组织过载后疲劳门槛均会提高，其幅度随过载比的加大和材料屈服强度的降低而增加；

The simulated results indicate that there is a threshold of migration ratio in the migration of different genotypes influencing the resistance evolution of pest population.

模拟结果表明，迁入比例对害虫种群抗性演化的影响存在一定的阈值。

When the threshold value of selecting factor was fixed in 3, the helper T ceIls ( CD4), estradiol ( E2), xylose excretion rate and A& G ratio were selected as the diagnostic factors for the deficient fundamental types.

将选剔因子（F）的阈值定为3时，本虚证型选出辅助性T细胞（CD4）、雌二醇（E2）、木糖排泄率、白/球蛋白比值等指标作为诊断因素；

The changing relation between the two restricts the threshold value of signal-to-noise ratio for seismic prospecting.

二者的变化关系制约着地震勘探的信噪比临界门限值。

Balance in constant dynamic threshold value, the ratio of both the amount of yin is stable in the changing state but within normal limits, the dynamic balance is not absolutely stationary.

是动态的均势的常阈值内的平衡，是阴阳双方的量的比例是不断变化的但又稳定于正常限度之内的状态，是动态的均势，而非绝对的静止。

CNOOC, one-seventh the size of PetroChina by market capitalisation, could drop$ 20bn before its ratio of net debt to equity nudged over 30 per cent, the usual threshold for alarm.

按市值计算，中海油的规模只有中石油的七分之一，但即便中海油砸下200亿美元，其净债务与股本比率也只会略微超出30%这一通常的警戒线。

Based on acoustic characteristics of cough, using the short time zero crossing ratio ( ZCR) identifies the suspicious coughs in order to get the threshold of short time energy.

利用过零率来定位可疑咳嗽，从而确定能量阈值。

The adjustments of exhaust gas oxygen sensor voltage threshold value and fuel-air ratio during the X close-loop control process are introduced as well.

对λ闭环控制控制过程中氧传感器电压阈值调节和λ调节进行了初步分析。

The simulation results show that the semi-soft threshold denoising method reduces the noise effectively, improves the ratio of signal and noise, retains the detail of image and obtains the minimum mean square deviation. It finds some application in engineering.

仿真结果表明：半软阈值去噪方法有效地抑制了噪声，提高了信噪比，同时保留了图像细节，获得了最小的均方差，具有一定的应用价值。

Some basic relation among system bandwidth, threshold signal interference ratio, maximum number of access users as well as the system spectral efficiency are studied for traditional CDMA and LAS-CDMA. Their comparisons are also given.

本文对传统CDMA和LAS CDMA系统中的带宽、门限信扰比、最大用户数及系统的频谱效率等基本指标进行了探讨和比较。