盈余管理实证研究方法主要包括总体应计模型、特定应计模型和频率分布方法。
Empirical research design on earnings management includes aggregate accruals models, specific accrual models and frequency distribution approach.
该方法合理地考虑了因发电机开断而频率变化对潮流分布的影响。
The method reasonably considers the influence of frequency change caused by generator outage on load flow distribution.
压缩资料的一种有效方法是编制频率表或频率分布。
One way we can compress data is to use a frequency table or a frequency distribution.
介绍了瞬时频率的概念和瞬态谱的小波包计算方法,并结合时间域模拟信号给出了其时频分布。
The conception of transient frequency and calculation method of wavelet packet are introduced, and time frequency distribution about simulation and actual seismic signals is given.
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。
Based on the clump intensity index, regressive analysis method and zero frequency method, the spatial distribution pattern of Latori bicolor (Walker) larvae was studied.
本文介绍了用短时傅立叶变换分析瞬态诱发耳声发射方法,并给出了其时频分布的实验结果,分析了其各个频率成份出现的不同时刻及持续时间。
This paper introduces the method of analyzing TEOAEs by short time Fourier transform and gives the experiment results of time frequency distribution, then we analyze each frequency component.
目的与方法:本文采用化学比色法观察了386例正常人血清唾液酸的频率分布与正常值范围。
Objective and Methods: We tested the frequency distribution and the range of normal values of the sialic acid concentration in 386 normal human serum samples by chemical colorimeter.
方法选择ldh患者717例,采用血型群体遗传学及血型血清学方法,进行ABO血型表现型及基因频率分布等调查分析。
Methods Using serological way, 717 patients with LDH were investigated on the phenotype and the genetic frequency distribution of ABO blood type.
本文采用计算机模拟的方法,对有限群体中基因频率的概率分布进行了研究。
The probability distribution of gene frequency was studied by simulative method in finite population.
操作风险发生的频率较低,但可能会引起巨大的损失,其损失分布具有鲜明的厚尾性,因此应用通常的风险计算方法往往会低估风险。
Operational risk is a kind of low frequency and high severity loss risk. Its loss distribution shows fat-tail. It is often underestimated by using usual methods for risk measurement.
本文提出了在有历史洪水情况下洪水频率的非参数核估计方法,克服了现行方法假定分布型式的局限。
A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.
验证了通过注入锁模方法,分布反馈(DFB)半导体激光器的频率响应可以得到明显的改善。
This paper reports that the frequency responses of a direct-modulated DFB laser diode can be improved using an injection locking method.
本文中描述用振幅峰值的方法,测量面接触型晶体管OC70,OC71和点接触型晶体管2N32A内窄频带低频率噪声的振幅分布。
The amplitude distribution of narrow hand semiconductor noise in junction type OC70, OC71 and point contact type 2N32A transistors were measured experimentally by the "maximum amplitude" method.
介绍枯水频率分析中的常用线型以及频率分布线型的选择方法。
The distribution form and the selection methods in low flow frequency analysis were introduced.
联合时频分布方法把整体频谱推广到局部频率,根据频率随着时间的变化情况,对信号进行有效的分析。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
根据单步落足曲线,结合影响人群行走效应的因素如人群分布、行走频率及个体生理特征等,采用随机方法模拟人群行走激励。
Crowd excitation is simulated by random method according to normal footfall force curve and other individual factors such as distribution of crowd, step frequency and physiological characteristics.
方法对以上家系进行临床表型观察,计算表型分布频率和表型基因频率。
Methods Clinical observation was conducted to calculate the phenotypic distribution frequency and gene frequency.
并且根据频谱分析的方法确定了瑞利波的频率分布范围。
The frequency range of R-wave has been determined by use of frequency analysis.
方法用PCR-RFLP技术分析了原发性肺癌组和住院对照组(各163例)的CYP1A1、GSTM1基因的多态性、基因型分布频率和交互作用。
Methods CYP1A1 and GSTM1 genetic polymorphisms were determined by PCR-RFLP in 163 lung cancer cases and healthy controls respectively.
这种分析方法提供了时间域与频率域的联合分布信息,清楚地为我们描述了信号频率随时间变化的关系。
As one of the best tools to analyze the non-stationary signals, it shows a good picture in the joint time-frequency domain and makes us know about the change of frequency along with the time clearly.
MA计算复杂度较高,在充分挖掘无线信道频率选择性特点基础之上,我们提出了一种新的分布式零载波的最小功率和方法。
MA method, a novel MPS (minimum power sum) approach based on a distributed NSCs is proposed after the frequency selective property of wireless channels is considered.
方法选择鲁中南地区先天性心脏病患者444例,采用血型群体遗传学及血型血清学方法,进行ABO血型表现型及基因频率分布调查统计。
Methods ABO phenotype and its genetic distribution were investigated in 444 patients with congenital heart disease in center of south region of shandong via blood type genetics and serology.
方法选择鲁中南地区先天性心脏病患者444例,采用血型群体遗传学及血型血清学方法,进行ABO血型表现型及基因频率分布调查统计。
Methods ABO phenotype and its genetic distribution were investigated in 444 patients with congenital heart disease in center of south region of shandong via blood type genetics and serology.
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