Based on observation data in the basin,the stage design flood at the dam site is calculated by area interpolation method,compared with the maximal value of design flood,and the quantitative relations between them are also worked out by introducing the conception of combined frequency.
根据流域资料用流域面积内差计算出坝址分期设计洪水,并与全年最大值设计洪水进行对比分析,引进组合频率概念推导两者之间的量化关系。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因:主要是由于混频器和放大器的非线性。
In order to do a good work on flood control works and to seek for a better calculation method, this paper describes the theory and its application of frequency combination method and compares it with the traditionally used method via the practical examples.
为了搞好防洪工程 ,寻求一种好的计算方法 ,着重介绍了频率组合法的理论与应用 ,并以实例将其与传统习惯采用方法进行比较。
Definition method of design flood water level for tidal reach mainly included in direct frequency analysis method for flood water level, indirect method getting design flood water level from design rainstorm, and frequency combination method.
建立河段水位与流域面平均雨量和潮位的水位函数,利用频率组合法推求感潮河段设计洪水位。
Abstract: Based on the introduction of theory of frequency combination method, the paper analyzes the influence factors of drought occurrence and the features of this method,and demonstrates the feasibility of applying this method in drought analysis.
介绍了频率组合法基本原理和方法,分析了自然条件下干旱发生的影响因素和频率组合法自身特点,对该方法在干旱频率分析中应用的可行性进行了初步论证,将其应用到泾河流域的干旱频率分析中,把降水和天然径流系列进行组合得到新的干旱变量。
In order to calculate the actual flood control capacity of the Fushi Reservoir at present, the stochastic coupling method and frequency combination method were adopted to analyze the probability distribution of actual starting regulation level of the reservoir during the typhoon flood period and then combining with the design flood.
为了计算赋石水库目前实际的防洪能力,采用随机偶合法和频率组合法,分析赋石水库台汛期实际起调水位的概率分布,再和设计洪水进行频率组合,从而使赋石水库目前实际防洪能力由20年一遇提高到65年一遇。
Flood and composite frequence caculation of the topical cyclone storm tide
洪水与热带气旋暴潮组合频率计算
Study on Calculation of Composite Probability for Tidal Level and Wave in Estuary Region;
河口地区潮位与波浪组合频率计算方法的研究
Some New Results on Orthogonal Frequency Squares;
正交频率方的组合构造和新的下界表
mixer-filter frequency synthesizer
混频滤波式频率合成器
DDZ-Ⅲ series process electronic control system-Frequency converter
GB/T13635-1992DDZ-Ⅲ系列电动单元组合仪表频率转换器
The Study of Dynamical Optimizing on Stiffened Plates with Frequency Preserve of Hull;
船体板梁组合结构频率禁区动力优化研究
Research on Current Situation of Applying High Frequency Combined Movements in Sanda Competition in the 10th National Games;
十运会散打比赛高频率组合动作运用研究
Design of Frequency Synthesizer Control Modules of P-band Instantaneous Polarization Radar System
P波段瞬态极化雷达频率合成控制组件设计
Chinese combined-word detection based on directed net of word-sequence frequency
基于词序列频率有向网的中文组合词提取算法
Effect of Transverse Magnetic Field Frequency on Microstructure and Properties of Fe5 Deposited Metal
横向磁场频率对Fe5堆焊合金组织性能的影响
Effect of Electromagnetic Frequency on Microstructure of 4045 Alloy Produced by CREM Process
电磁场频率对4045合金CREM铸锭微观组织的影响
Combined-Optimum Design System of Car Body Structure with Frequency Constraint
带频率约束的车体结构组合优化设计系统
Separation of a complex wave into its component parts according to a given characteristic, such as frequency or wavelength.
频散；弥散复合波根据给定特征，如频率或波长，而分成各组成部分
Influence of Microstructure and Frequency on Fatigue Crack Growth Rate of Ti_3Al-based Alloy
显微组织及频率对Ti_3Al基合金疲劳裂纹扩展速率的影响
Study on Frequency Synthesize Technology for Telemeter Emulate System;
频率合成技术及其在遥测仿真组合中的应用研究
A High Resolution Sigma-Delta Fractional-N Frequency Synthesizer
一种高分辨率∑△小数分频频率合成器
Design of L-band Frequency Agility Broadband Frequency Synthesizer Design
L波段宽带频率捷变频率综合器设计
Frequency Control Strategy of Variable-speed Constant-frequency Doubly-fed Induction Generator Wind Turbines
变速恒频双馈风电机组频率控制策略