阈值

yù zhí
  • threshold;threshold value
阈值阈值
阈值 [yù zhí]
  • (1) [threshold value]

  • (2) 在自动控制系统中能产生一个校正动作的最小输入值

  • (3) 刺激引起应激组织反应的最低值

阈值[yù zhí]
  1. 作者提出的差分阈值跳跃算法使R波检测速度成倍提高;

    An algorithm known as differential threshold leap furthur improves the detection speed of R-wave .

  2. 抗焦虑治疗后感觉阈值有所增高(P0.05)。

    The threshold was elevated after anti-anxiety treatment ( P 0.05 ) .

  3. SURE准则的图像小波阈值去噪

    Image Denoising with Wavelet Threshold Based on SURE Rule

  4. 针对随机早期检测算法(RED)参数配置困难的问题,提出了一种自适应阈值RED(SATRED)主动队列管理算法。

    Random early detection ( RED ) is an effective algorithm for active queue management .

  5. 我们针对医学图像的模糊特点和实际应用的要求,结合模糊连接度阈值分割和模糊C均值聚类两种分割方法的优点,提出一种新的交互式医学图像分割方法。

    Considering the fuzzy character of medical images and requirement of practicability , we present a two-stage interactive image segmentation method .

  6. 利用基于小波多尺度分解阈值去除MRI图像噪声可以取得较好的效果。

    This paper presents a wavelet-based multiscale products thresholding scheme for noise suppression of magnetic resonance images .

  7. 对Sin信号进行分析也采用软阈值;

    To Sin signal , also adopts soft threshold ;

  8. 弱视眼静态视野光敏感度阈值及P一VEP变化特点的研究

    Study on the light sensitivity threshold in the static perimetry and the caracters of P-VEP

  9. 直方图模糊约束FCM聚类自适应多阈值图像分割

    Adaptive Multi Thresholds Image Segmentation Based on Fuzzy Restrainted Histogram FCM Clustering

  10. 直肠内球囊扩张时,A组引起腹部收缩的最小容量阈值略低于B组,无明显统计学差异(P>0.05)。

    The perception threshold of group A was slightly lower than that of group B , but there is no significant difference statistically ( P > 0.05 ) .

  11. 全耗尽SOIMOSFET辐照导致的阈值电压漂移模型

    A New Threshold Voltage Shift Model Due to Radiation in Fully-Depleted SOI MOSFET

  12. 为了反映变动,要更新安全策略、阈值策略和SLA。

    To reflect changes , update the security policy , threshold policies , and SLA .

  13. 这需要更新安全策略、阈值策略和SLA。

    This requires an update to the security policy , threshold policies , and the SLA .

  14. NRT阈值及T、C级的数值自蜗底至蜗顶呈下降趋势。

    The NRT thresholds and T / C levels reduced from basal to apical ends of the cochlear .

  15. 同时,本文首次提出了用后向差分理论,确定CCD脉冲序列阈值的新方法。

    In the meanwhile , it presents a new method to calculate the threshold of CCD pulse sequence based on the theory of difference equation .

  16. SRS遵从特殊的增长规律,并不具有“阈值”特性。

    SRS comply with the special growth law , does not have " threshold " characteristics .

  17. 其次基于最小错误率原理选取SAR图象自动分割阈值,在先验概率未知和估计条件下,获得目标及其阴影区域的检测结果;

    Second , on the basis of the principle of minimum error ratio , thresholds are computed in both a prior probability is unknown and known respectively .

  18. 低阈值掩埋异质结构AlGaAs激光器

    Low Threshold Buried - Heterostructure AlGaAs Lasers

  19. 用脑干听觉诱发电位(BAEP)检测动物BAEP反应阈值;

    The reaction threshold of animal brainstem auditory evoked potential ( BAEP ) was examined by BAEP .

  20. 通过数值模拟给出了有损耗情形注入率r与腔损耗系数c之间应满足的阈值条件,并讨论了不同腔损耗对稳态光子数分布和平均光子数的影响。

    By numerical simulation we calculate the threshold satisfied by pumping rate r and damping c , and discuss the influence of cavity loss on the steady photon distribution and the mean photon number .

  21. 睡眠状态下CM幅值略有增大,与此同时CM阈值减低。结论CM检测可为了解重振发生机理以及重振与CM和耳聋预后之间的关系提供可靠的客观信息。

    CONCLUSION CM offers the reliable information for the mechanism of loudness recruitment and is also useful for understanding the relationship among loudness recruitment , cochlear microphonics and prognosis .

  22. 应变SiGe沟道PMOSFET亚阈值特性模拟

    Simulation of Sub-Threshold Characteristics in Strained SiGe Channel PMOSFET

  23. 方法运用电子恒压器测定40例FD患者和15例正常人的胃感觉阈值。

    Methods Gastric sensation threshold was determined using barostat in 40 functional dyspepsia ( FD ) patients and 15 controls .

  24. SiO2内保护层对LiB3O5晶体倍频增透膜损伤阈值的影响

    Effect of SiO_2 barrier layer on laser induced damage threshold of second harmonic antireflection coatings on LiB_3O_5 crystal

  25. 量子效应对MOSFETs阈值电压和栅电容的影响

    The influence on threshold voltage and gate capacitance of MOSFETs due to quantum effects

  26. 方法采用阈值法测定219名汉族青少年对PTC的尝味敏感性。

    Methods To adopt the way of deciding taste-blindness with threshold to determine the sensitivity to the taste on PTC of 219 Han nationality juveniles .

  27. 用多谱阈值法进行GMS-5卫星云图云型分类的研究

    Cloud Classification of GMS-5 Satellite Imagery by the use of Multispectral Threshold Technique

  28. 低阈值InGaAsP/InPPBH双稳激光器

    InGaAsP / InP PBH Bistable Lasers with Low Threshold Current

  29. 结果表明,硬阈值处理、非降样算法的4尺度Haar小波比较适合进行基于小波分析的雷达信号杂波抑制处理。

    And it is concluded that 4 level Haar wavelet and hard threshold is more suitable for radar clutter suppression .

  30. 其中在7d内,可以放线菌作为呋喃丹污染的预警指标,其预警阈值为≤10mg/kg干土。

    Actinomyces can be as warning index of carbofuran pollution and the warning threshold value is 10mg / kg dried soil within 7 days .