This paper introduces the basic concepts and importance of short-term frequency stability and phase noise,its expression in time domain and in frequency domain,the methods of measurements of phase noise and compares their advantages and disadvantages respectively.
叙述了短期频率稳定度、相位噪声的基本概念和重要性、在时域和频域中的表达方法以及各种相位噪声的测量方法,并且分别比较了各种方法间的优缺点。
The dynamic reactive planning methods of differential-algebraic equation based short-term voltage stability and power flow equation(PV curve) based long-term voltage stability were proposed to carry out the dynamic reactive power reserve assessment and dynamic reactive demand research for East China Power Grid of 2010.
提出基于微分—代数方程的短期电压稳定和基于潮流方程(PV曲线)的长期电压稳定的动态无功规划方法,对2010年华东电网进行动态无功储备评估和动态无功需求研究。
The results show that,mineral and chemical composition of weathered stock have better long term stability in engineering environmental condition,but grain composition has worse stability owing to its mineral composition and microcope struture characteristics.
通过室内强化模拟试验 ,对水布垭心墙堆石坝页岩风化填料的矿物成分、化学成分、颗粒级配的长期稳定性进行了研究。
For understanding the long term stability of weathered sand used in Maopinxi Protection Dam of Three Gorges Project,by simulated laboratory experiments,the effects of lnng term inundation and dry wet repetitive conditions on the characteristics of weathered sand were emphatically studied.
为了解用于三峡茅坪溪防护坝风化砂的长期稳定性,通过室内模拟试验,着重研究了该风化砂长期浸水和干湿循环条件对风化砂性能的影响,包括风化砂矿物成分、化学成分、颗粒级配、透水性、沉陷性和力学性能的变化。
Preliminary research on formation and long-term stability of cliff along the bank of the Three gorges reservoir;
三峡库区陡崖形成及长期稳定性初步研究——以万州区太白岩为例
Effect of different factors on long-term stability of semiconductor gas sensor;
半导体气敏元件长期稳定性的影响因素
Numerical analysis of the long-term stability of large-scale underground cavern of hydropower station;
水电站大型地下洞室长期稳定性数值分析
Effects of Co-Pigments on the Color Stability of Bayberry (Myrica rubra)Juice during Short-Time Storage
辅色素对杨梅汁色泽短期稳定性的影响
short-term autostabilizatio
短周期运动的自动稳定
Empirical Analysis of the Stability of Money Demand Function in China;
中国短期和长期货币需求函数稳定性的实证分析
Stabilities of Strategic Alliances: The Tension of Short-term Versus Long-term Orientation Perspective;
以长短期定位冲突为分析框架的企业战略联盟稳定性研究
Evaluation the effect of short-term Medroxyprogesterone Acetate in male stable COPD patients with chronic respiratory disfunction;
短程甲羟孕酮对伴慢性呼吸衰竭的男性稳定期COPD患者的治疗
This is a short-term stability factor, however, and, because elasticity is a relative concept.
然而,这是一种短期的稳定因素,因为弹性是一个相对的概念。
A high weathercock frequency is essential for the stability of the guidance loop.
从制导回路的稳定性角度来看,短周期振荡频率高是基本的。
Empirical Research on the Influences of Commercial Banking System Stability Brought by International Short-Term Capital Flows in China
国际短期资本流动对我国商业银行体系稳定性影响的实证分析
SHORT-TERM EFFECTS OF TILLAGE ON SOIL AGGREGATE SIZE DISTRIBUTION AND STABILITY IN BLACK SOIL IN NORTHEAST CHINA
耕作对东北黑土团聚体粒级分布及其稳定性的短期影响
The results showed that instability of operation temperature and increase in space velocity and pressure would cause deterioration of the activity stability, resulting in shorter service cycle.
结果表明,操作温度的不平稳、空速及压力的提高均会造成催化剂活性稳定性变差,运转周期缩短。
Study on long-term stability and short-term fluctuation of Gansu s economy;
甘肃经济运行的长期稳定和短期波动研究
Preparation and electrochemical stabilities of Pt/short MWNTs
Pt/短MWNTs催化剂的制备及电化学稳定性
Analysis of Axial Stability of Winding Short Circuit in Power Transformer
电力变压器绕组短路轴向稳定性分析
Study on Short-term Optimal Scheduling and the Influence of Unsteady Flow on Navigation of Three Gorges Cascade;
三峡梯级短期优化调度与航运的不稳定流研究
Influence of Short-term Capital Flow on Financial Stability in China and Countermeasure;
短期资本流动对中国金融稳定的影响及对策
Short-Term Frequency Stability Measurement of 2μm Solid-State Laser;
2μm固体激光器短期频率稳定度的检测研究
Clinical Study on Treating Unstable Angina Pectoris with Blood-activating and Heat-clearing Decoction
清热活血方治疗不稳定型心绞痛短期临床研究
Bankers and other short-term creditors share the interest of stockholders and bondholders in the profitability and long-run stability of a business.
银行家和其他短期债权人股东、券持有者同样关心公司的获利能力和经营的稳定性。