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- critical frequency method 临界(闪烁)频率法
- As a design method, frequency tuning approach (FTA) was suggested to be used first to avoid critical frequency ranges. 建议人行桥梁设计时应首先采用频率调整法，使结构自振频率尽量不落在敏感频率范围内。
- The electric field, magnetic field, critical frequency, surface current, power transmission and attenuation, as well as TE and TM modes in waveguides are discussed. 给出计算等效矩形截面波导的TE模和TM模、电磁场、临界频率、波导壁电流、功率传输和衰减的公式。
- This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
- Frequency method and Bayesian method are the two main data mining algorithms used in pharmacovigilance nowadays. 目前各国普遍使用的数据挖掘方法主要有频数法与贝叶斯法。
- The results show that, for the case of detuning, both the second threshold and the critical frequency are always increased with the increasing of the detuning parameter. 结果表明,在失谐情形下,第二阈值和临界自脉冲频率都随失谐参量的增大而增大。
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 ： 提出了基于交流阻抗和数值积分原理的二点频率法。
- The results show that anomaly frequency method is effective for the analysis of high frequency information characteristics in digital subsurface fluid data. 结果表明，异常频次法是地下流体数字化资料高频信息特征分析及其应用的有效方法。
- Early investigations of the F2-layer critical frequency revealed that it does not behave at all in the manner of a simple Chapman layer but displays many outstanding abnormal phenomena which may involve some basic mechanisms. 电离层的静日变化并不是人们所熟知的Chapman层规则变化,而是呈现出非常多的异常现象,这些异常现象涉及到控制电离层的各种因素。
- Based on the clump intensity index, regressive analysis method and zero frequency method, the spatial distribution pattern of Latori bicolor (Walker) larvae was studied. 应用聚集度指标法、回归分析法、零频率方法对两色绿刺蛾幼虫在毛竹林间的分布型进行测定。
- THE CRITICAL FREQUENCY OF A ROTOR BASED ON PRESTRESS METHOD 基于预应力法的转子临界转速研究
- Time-dependent characteristic frequency method we advance here combines ingeniously theabove two methods. 本文提出的时间特征频率分析法是时频分析法和时间谱分析法的有机结合和补充。
- With the cumulative frequency method the thresholds of extreme precipitation event was defined according to daily precipitation data of 68 stations in Anhui province during last 40 years. 利用安徽省68个台站近40年的日降水资料,运用累积频率法判别分析基于日资料的极端降水事件,给出了安徽省各台站降水极端事件的阈值。
- Study on Critical Frequency of Inductive Probe 测微仪测头临界脱离频率的研究
- By use of the aggregation indexes method, regressive model analysis method and zero frequency method, the spatial distribution patterns of Apriona germari (Hope) larva were studied. 运用聚集度指标、回归模型、零频率等方法对福建闽北地区杨树粒肩天牛幼虫的空间格局进行测定。
- the critical frequency of the F2 layer F2层临界频率
- stochastic critical frequency recognition 随机临界频点识别
- flicker fusion critical frequency 闪光融合临界频率
- The technology of direct digital frequency synthesis(DDS),is a new typed synthesizer technology and signal frequency methods. 直接数字频率合成技术,即DDS,是一种新型的频率合成技术和信号产生方法。
- She is a very discerning art critic. 她是位眼光敏锐的艺术评论家。
