The time frequency window is adjusted conveniently by using optimum base searching method, moreover, it's not necessary to have stable wave assumption in the window.
通过采用局部余弦最佳基搜索方法,对信息实现不同的时间分割,可非常容易地调整时频窗。不需要在分析窗内对信号作平稳假定,所得结果与原信号完全同步。
High ability in resisting public power grid voltage wave ang power grid compensation, stable welding current.
抗电网电压波动及电网补偿能力强,焊接电流稳定。
Solitary wave, which is a special coherent structure, describes a kind of stable nature wave phenomena.
孤波,作为一种特殊的相干结构,反映了一类稳定的自然波动现象。
Solitary wave, which is a special coherent structures, describes a kind of stable nature wave phenomena.
孤立波,作为一种特殊的相干结构,反映了一类稳定的自然波动现象。
The only stable solution is the diverging spherical wave.
只有发散球面波才是唯一稳定解。
Medium Wave Infrared Heaters distinguish themselves by being highly efficient and stable while having a long operating life.
该中波红外加热器区高效稳定,同时具有长使用寿命。
Using white noise to drive shaping filter, the interference model of wave is acquired on the basis of stable stochastic process theory, and the simulation results are satisfactory.
根据平稳随机过程理论,利用白噪声驱动成形滤波器,获得海浪的干扰模型,并得到了令人满意的仿真结果。
Stock wave is a direct impact result of various reasons by using model to analyze recent Chinese stock market. Diffusion and impact, other factors remaining stable have leading function.
利用模型分析近阶段中国股市,股指波动是多种因素直接冲击的结果,在其它因素相对稳定时,扩容冲击起主导作用。
The simulated results show that a stable acoustic standing wave is formed in bubble column under the geometric arrangements and the transducer boundary condition employed in this study.
模拟结果表明,在本研究所用的几何布置和换能器与时间相关的速度入口边界条件下,反应器中形成了一个稳定的驻波声场;
It is proved that the stationary wave is asymptotically stable under some assumptions.
在一定的假设下,我们证明其驻波解是渐近稳定的。
The numerical results agree with those of available literatures and show that the method is robust and stable for getting the discontinuous solutions of the shallow water wave equation.
计算结果与已有文献结果基本一致,证明该方法有效、稳定,能够模拟浅水长波方程中的间断解问题。
In practical seismic data processing achievement profile, wave group characteristics of every reflection zone are clear, information of layer to layer is rich and wave shape is natural and stable.
在实际地震资料处理的成果剖面上,各反射层位的波组特征清楚,层间信息丰富,波形自然稳定。
No matter what polarization of the incident electromagnetic wave, element's transmission characteristics for the regular triangle arrangement is more stable than that of square arrangement.
但无论入射波是什么极化方式,所设计单元按正三角形布阵时的传输特性都比正方形布阵方式稳定。
The favorable results after shock wave therapy at four months were stable at the one-year follow-up evaluation.
四个月时冲击波疗法的良好结果,在一年随访评价时依然稳固。
The simulation curves and the effect of working in practice show that the swing of load wave during boring can be reduced to the lowest level and the system is in a stable and reliable situation.
仿真曲线及实际运行效果表明,切削载荷波动幅度降到了最低限度,系统运行稳定可靠。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
本发明电路结构简单,输出的交流电的波形为纯正弦波,输出的电压和频率稳定,不会随输入电压和负载的变化而变化。
Physically, at a special critical wave speed the flow may have a naturally periodical separated-reattached pattern, with each wave trough capturing a stable vortex ring.
物理上看,在一个特定的临界行波速下会形成自发的周期性分离再附流,每个波谷的分离区捕获一个稳定的涡环。
High temperature oscillator, divider and inverter produce logic square wave for working frequency so that precise frequency and stable temperature are achieved.
用高温晶体震荡器、分频器和反向器形成新的工作所需的工作频率逻辑方波,以提高工作频率精度和温度的稳定性;
Double reversed star shape, interphase reactor, flat wave output circuit, stable welding current.
双反星型,平衡电抗器及平波输出电路,焊接电流稳定。
Material is highly resistant PVC material that provides a stable upright position on the surface in all wind and wave conditions.
浮标是在安全橙色,甚至从远处可见。材料为PVC材料高抗,提供一个在所有表面风和海浪情况稳定正常位置。
The voltage requires being smooth and stable sine wave.
其工作电压要求是平滑而稳定的正弦波。
Several numerical results show that the proposed method is stable and accurate, and it is nearly not sensitive to the high -, low-frequency component of the incidence wave.
几个典型数值算例表明,利用本文方法求解时域积分方程的结果具有非常好的后时稳定性和精确性,并且对低频成份、高频成份不敏感。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
该电源输入单一交流电压和频率,内部经过交流对直流;直流对交流的变流整流转换后,自行产生-非常稳定纯净的正弦波。
By analytical and numerical calculations, stable region diagram of the energy state, wave functions and energy level shift are obtained.
通过解析与数值计算,给出了能态的稳定区图、波函数和能级移位。
This paper designs a Lissajous Figures signal generator which can generate sine wave with different ratio of frequency, By utilizing oscillograph, all kinds of stable diagram can be shown.
设计了一种利萨如图形信号发生器,能产生不同频率比的正弦信号,通过示波器能方便地得到各种稳定的利萨如图形。
The CMOS amplifier of chopped wave stable zero calculator has been used as a key element to acquire signal of location.
本仪器采用CMOS斩波稳零运算放大器为关键性元件,获得对信号无失真采集。
This system has applied to the national radio short-wave and monitored in the first project actually, through using and measuring, the actual effect is stable % effective and excellent.
本系统实际应用于全国无线电短波监测第一期工程项目中,经过应用和检测,实际效果良好,运行稳定并受到广泛好评。
Single - frequency resistance - wave technique has been introduced from power - driven carrier wave communication to patrol - measurement, thanks to its easy manipulation and stable reliability.
为了解决水文巡测设备中数据传输的可靠性,电力载波通讯中的单频阻波器技术被应用到巡测设备上。此法简单易行,稳定可靠。
It was observed from the low frequency signal on the microwave mixer that the wave form was clear and stable.
观察从微波混频器上取得的低频信号,波形清晰、稳定。
Virtual Instrument technology is used in the design of the general wave recorder, impact analyzer, spectrum analyzer, stable and transient signal analyzer and so on.
系统软件使用虚拟仪器技术,设计了通用数据记录仪、浪涌分析仪、频谱分析仪、稳态和瞬态信号分析仪等多种虚拟仪器。
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