thresholds相关论文
Shear stress and stream power have long been metrics for the stability of alluvial streams, but little is still known ab......
Risk assessment of agricultural drought using the CERES-Wheat model: A case study of Henan plain, Ch
Droughts caused by a lack of precipitation are one of the major factors limiting agricultural crop production.It is thus......
The comparison of auditory behavioral and evoked potential responses (steadystate and cortical) in s
Objective: To define difference scores between PTA, ASSR and CERA thresholds in subjects with occupational NIHL.Design: ......
Thresholds in ecological responses related to ecosystem services provide justification for establishing water quality cr......
During tomb sweeping day this year there was overchargingof funeral and internment articles,and market disorder oc-curr......
Objective:To appraise the effectiveness of HbA_(1c) and fasting plasma glucose(FPG) on screening diabetes in health chec......
Ablation process of 1-kHz femtosecond lasers (pulse duration of 148 fs, wavelength of 775 nm) of Au film on silica subst......
We investigate the influence of multiple filarnentation (MF) on the micromachining in Ag~+-doped silicateglass irradiat......
Many studies have estimated approximately ranges of thresholds of low soil temperature in the growth and ecophysiologica......
Laser-conditioning mechanism of ZrO_2/SiO_2 HR films with fitting damage probability curves of laser
The method of fitting damage probability curves of laser-induced damage is introduced to investigate the laser-condition......
We present a theory of the multi-threshold second-order phase transition,and experimentally demonstrate the multi-thresh......
This paper presents single event upset(SEU) and single event latch-up(SEL) characteristics of small feature size devices......
As a new research area, laser surface wettability modification brings new applications for both laser and materials for ......
Determination of ablation threshold of dental hard tissues irradiated with Er:YAG and Er,Cr:YSGG las
We evaluate the ablation thresholds of Er:YAG and Er,Cr:YSGG laser for enamel and dentin.A total of 140 dental slices is......
With the supports of the National Natural Science Foundation of China and the Basic Research Program of China,the resear......
There is a close functional relationship between the jaw and neck regions and it has been suggested that trigeminal sens......
Effects of intrathecal NMDA and AMPA receptors agonists or antagonists on antinociception of propofo
AIM: To study the effects of intrathecal (it) agonists and antagonists of N-methyl-D-aspartate (NMDA) and alpha amino-3-......
Nonlinear optical (NLO)materials are increaingly needed along with the development ofoptoelectronic technique. In recen......
Purpose: to determine wheather an association exists between sensorineural hearing loss and pseudoexfoliation. Methods:......
To demonstrate the existence of light thresholds in plant growth and to examine the effects of elevated CO2 on the shade......
Spatio-temporal analysis and simulation on shallow rainfall-induced landslides in China using landsl
An empirical simulation method to simulate the possible position of shallow rainfall-induced landslides in China has bee......
在城市综合害虫防治(Integrated Pest Management IPM)工作中,可以采用“行动阈值(action thresholds)”来帮助专业技术人员确定......
This paper suggests a scheme of image denoising based on two-dimensional discretewavelet transform. The denoising algor......
A new direction recognizing and subdividing method for moire (interference) fringes is presented. By setting two certai......
In this paper, the performance analysis of multi-antenna MIMO systems with variable-power (VP) adaptive modulation and s......
Objective To detect early signs of noise-induced hearing loss(NIHL) in military pilots without hearing complaints. Metho......
An adaptive deinterlacing algorithm based on motion compensation is presented. It consists of the detection of motion bl......
A variable-power(VP)adaptive modulation(AM)scheme with space-time block code(STBC)is developed in MIMO systems,and the c......
Based on imperfect channel state information (CSI) and relay selection, a cross-layer optimization scheme is developed f......
Quantization/compression is usually adopted in wireless sensor networks (WSNs) since each sensor node typically has very......
Analysis of effect on infectious diseases outbreak detection performance by classifying provinces fo
Objective Providing evidences for further modification of China Infectious Diseases Automated-alert and Response System(......
为了研究中国股市经营现金流量管理行为,运用Burgstahler and Dichev (1997)、Degeorge et al.(1999)的方法和最佳拟合曲线模型,通......
僵尸网络（Botnet）检测已经成为近年来网络安全领域的研究热点之一，Botnet的一个显著特点是能建立C＆C通道，攻击者可以通过这个通道给bots......
文章对门限自回归模型进行了研究,运用小波分析方法构造了延时和门限的两种估计量,同时估计了门限的数目.文章中获得了这些估计量......
Spectral computed tomography (CT) based on photon counting detectors (PCDs) is a well-researched topic in the field of X......
传统的小波收缩去噪算法采用单一的阈值,它没有考虑到小波系数的类聚性,图像中重要小波系数类聚的局部具有重要的奇异特性,应降低......
于2005年4月至2006年5月期问对苏州河浮游植物群落及理化因子进行研究，分析了苏州河浮游植物现状及水质现状，并分析两者之间的关系，得......
文章对门限自回归模型进行了研究,运用小波分析方法构造了延时和门限的两种估计量,同时估计了门限的数目.文章中获得了这些估计量......
通过对码本设置阈值的方法来收缩对比度因子,提出了一种新的快速分形图像解码算法。实验结果表明该算法获得了较基本分形算法质量......
提出了等高线小波变换综合的基本思想,给出了一个联系目标和初始地图比例尺的小波系数选取阈值计算公式,提供了一个等高线综合中小......
本文系统分析了绿洲规模扩张的资源、环境与生态阈限。干旱区绿洲规模的扩张在总体上要受到资源、环境与生态阈限的制约。在绿洲经......
分析了飞机发动机润滑油光谱分析界限值的制定方法和存在的模糊性,对于影响MOA光谱仪检测结果的不同的润滑油基础油种类、油品积分......
提出了一种灰度图像的边缘检测算法。该算法利用基于视觉模型的阈值选择策略来选择灰度图中有可能处在边缘上的像素点,然后根据边......
明晰未来气候变化情景下不同类型生态系统生产功能面临的风险，对因地制宜地采取气候变化适应措施具有重要的现实意义。目前从阈值识......
股骨作为人体重要的组成骨骼有着重要的研究价值,应用逆向工程原理,通过阈值方法对采集于活人的股骨CT图像数据进行选取和边界识别......
利用１０￣３４℃的９个恒温对亚洲玉米螟Ｏｓｔｒｉｎｉａ ｆｕｒｎａｃａｌｉｓ（Ｇｕｅｎｅｅ）发育与温度的关系进行了研究。亚洲玉米晕除了在１０℃不能发育以外，在其８种恒温中均可发育，但其死亡率在１２０℃......
四叉树分解常常用在分形图象压缩中以获得变化的位比率．该文就可以改善图象质量和加速编码过程的分解决策函数而提出了熵（平均信息量......
目的探讨6种血清肿瘤标志物在肺癌诊断试验中的临床效能。方法将肺癌患者作为病例组（n=342）,包括鳞癌63例,腺癌84例,小细胞肺癌195例......
