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- This paper discusses three methods for the signal-to-noise ratio estimation of seismic records,and they are SVD method,statistical averaging method and frequency-domain estimation method,respectively. 估算地震记录信噪比的三种方法有SVD法、统计平均分析法和频率域估算法。
- Ratio estimation method and optimum allocation of sample sizes in multi-stage sampling 多阶段抽样比率估计及其样本量的选择
- Secondly, this thesis compares the hedging effectiveness of two hedge ratio estimating methods, the Ordinary Least Square (OLS) and Error Correction Model (ECM). 第二,论文在理论上比较了最小二乘法(OLS)与误差修正模型(ECM)两种套期保值率估计方法下的套期保值效果。
- ratio estimation method 比值估计法
- The second goal is the estimation method of maximum likelihood. 第二个目标是最大似然的估计方法。
- A DOA Estimation Method Based on Biomimetic PatternRecognition. 基于仿生模式识别的DOA估计方法。
- The initial estimation method of PU injecting dosage and application of different ratio of insufficient injection dosage in household refrigerator was introduced. 介绍了家用电冰箱注料量的初始估算方法和不同比例注料技术在家用电冰箱发泡上的应用。
- Methods Non-parameter kernel density estimation method was adopted. 方法采用非参数核密度估计推断方法。
- So a fourth-order cumulant-based estimation method of DOA is proposed. 针对该问题,提出了一种基于四阶累积量的到达角估计方法。
- Firstly, a computationally simple blind channel estimation method is proposed. 首先,文中提出了一种计算复杂度较低的信道盲估计方法。
- My simple excel file can already manipulate the existing data to do HSF/HHF arbitrage, golden ratio estimation and much much more ‘functions’ if I want to. 幸而通道底部支持亦在上移中,限制了指数的再跌空间,令大市有机会于未来一、两个月内呈现反覆上升的走势。
- A Estimation Method of Quantitative Character for Leaf-using Type Variety of Hippophae rhamnoides L. 叶用型沙棘新品种数量性状估算方法研究。
- A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation. 摘要提出利用相邻波峰和波谷之间距离估计阻尼比的割线方法。
- We propose a Hurst index estimation method based on DFGN model and Haar wavelet. 针对这些问题,对WO法进行改进,提出一种基于DFGN模型和Haar小波的Hurst参数估计方法;
- Implementation of the scheme has resolved the problems on difficult hydrogen nitrogen ratio estimation and difficult control, it has apparent economic and social benefit and worth extend. 该方案实施后,解决了操作人员在实际操作过程中对氢氮比判断难、控制难的问题,具有明显的经济、社会效益及推广价值。
- The speed estimate method is obtained using MRAS and the models. 利用这两种模型,使用模型参考自适应算法,得出了电机转子转速的估算方法。
- A Doppler rate estimation method based on sub-space projection technique was proposed. 提出了一种基于子空间投影技术的多普勒调频率估计方法。
- An abridged algorithm of 2D hidden Markov chain model and its parameter estimation method are made. 针对现有的二维隐马氏模型算法给出了一种简化算法及参数估计方法。
- Kriging method is the most important and basic local estimation method in geostatistics. 克里格法是地质统计学中最主要和最基本的一种局部估计方法。
- In this paper, the bias of the ratio estimator and the estimateof mean square errors of this estimator with known numerator have been compared and discussed. 给出了分子已知情况下比率估计量的偏差和均方误差以及均方误差的估计,并对两类比率估计量进行了比较.