A New Evaluation Method of Cyclic Variations;
一种评价循环波动的新方法
The cyclic variations of combustion in a DI diesel engine with different fuel supply advance angles at idle condition are analyzed based on the measured needle valve lift and cylinder pressure.
测量了怠速工况下直喷柴油机在不同供油提前角时的针阀升程及气缸压力,计算分析了各参数循环波动变化情况。
The cyclical movement which has the cycle of 4 years just as long as the cycle of international economy is dug out, and the economic, political, social, science and techn.
以中国出口集装箱运价指数(CCFI)作为中国国际集装箱班轮运输市场运价测度指标,采用时间序列乘法模型对CCFI进行分析,发现CCFI近8年来存在着长期下降的趋势,对集装箱班轮运输市场春夏旺秋冬淡的季节性波动进行验证分析,并发掘出CCFI4年的循环波动周期恰恰与世界经济4年左右的周期相吻合这一规律,最后对将来可能使CCFI发生不规则变动的国际政治、经济和自然灾害等因素进行预测分析。
The engine combustion characteristics,heat release rate and their cycle-to-cycle variations are analyzed,and the cycle-to-cycle variations of combustion and heat release rate in nutural asperated and turbocharged diesel engines are.
试验以1台自然吸气直喷柴油机及1台相同排量的增压中冷柴油机为研究对象,采用高速数据采集系统测录不同负荷、中冷温度以及供油提前角下的多个循环的缸内压力及油管泵端压力,编程计算放热规律并进行循环波动研究,对两者的燃烧及放热规律循环波动进行比较。
The concept of cyclic wavelet transform and its fast algorithm are introduced.
介绍了循环小波的概念及其循环小波变换的快速算法,详细描述了由原正交小波获得其相应的循环小波的过程,从其中的缠绕叠加过程中,给出了信号的循环小波分解的一般公式,对任意长度数据的信号使用任意偶数的Daubechies小波的变换矩阵的构成给出了统一的描述。
Research and Aanalysise of the Cycle Fluctuation of the Maize Production in Hebei Province;
河北省玉米生产循环波动研究与分析
waveguide circulator
波导循环器波导环行器
Study of the action of 9370MHz microwave on cochlea microcirculation
9370兆赫微波与耳蜗微循环的研究
Circular buffer based on the design of FIR filters
基于循环缓冲区FIR滤波器的设计
Multi-frequency Cyclostationary Analysis of Harmonic Signal of Helicopter
直升机谐波信号的多频循环平稳检测
The Research and Improvement of Circular Spatial Filtering Scheme
空间域循环滤波方法的研究及其改进
Cyclostationary Adaptive Beamforming Algorithms
循环平稳自适应波束形成算法的研究
Analysis of microturbines with wave-rotor topping cycle
微型燃气轮机与波转子顶层循环分析
Cyclical delay based random beamforming using sub-carrier scheduling
基于子载波调度的循环延时波束成型方法
The Born-Haber cycle is a thermodynamic cycle that shows the interrelation of these quantities.
波恩-哈伯循环是一个热力学循环，表示了这些量之间的关系。
Detection of Breast Masses Based on Multi-layer Ring Filter and Cycled OTSU
基于多层环形滤波和循环OTSU乳腺肿块检测
Estimation of Direction-of-Arrival of Cyclostationary Signals in Multipath Propagation Environments
多径环境下循环平稳信号的波达方向估计方法
Effect of Pressure Wave on the Circulation of Cochlear Lateral Wall and Audio Threshold in Guinea Pigs
压力波对豚鼠耳蜗外侧壁微循环及听阈的影响
The Process Experiment Research of the Cyclically Superimposed Energy-Saving Pulse Generator;
循环叠加斩波式节能脉冲电源的工艺实验研究
Nonlinear Analysis of Pressure Fluctuations Time Series in Gas-solid Circulating Fluidized Bed;
气固循环流化床压力波动时间序列非线性分析
The application of ultrasonic anti-scaling equipment in water recycling system for distilled ammonia and crude benzol
超声波防垢设备在蒸氨、粗苯循环水系统的应用
Novel Cyclic Adaptive Beamforming Method
一种新的循环平稳自适应波束形成算法
Study on microwave digestion method for determination of total phosphorus in industrial circulating water
微波消解法用于工业循环水总磷测定的研究