1) high harmonic signal
高次谐波信号
1.
In addition,power system high harmonic signal are introduced,the high harmonic signal simulation results are also given,showing that the method in dealing with the high harmonic signal has better prospects.
选用电力系统的谐波测量数据,给出了该算法谐波分析的仿真结果,并与傅立叶算法和改进的神经网络算法的计算结果进行了比较,还选用电力系统的高次谐波信号数据,并给出了高次谐波分析仿真结果,表明该算法在处理高次谐波信号方面具有较好的应用前景。
2) Second harmonic signal
二次谐波信号
1.
The gas concentration calculated from second harmonic signal would be affected by the variety of linewidth induced by different gas parameters during the measurement by wavelength modulation absorption spectrometry using tunable diode laser.
在利用可调谐激光调制吸收光谱技术进行测量时,气体参量改变将导致线宽变化,从而影响二次谐波信号峰值的大小。
3) harmonic signal
谐波信号
1.
Wavelet spectrum and its ability to characterize harmonic signals;
小波谱及其对谐波信号的刻画能力
2.
Closed-loop algorithm for the detection and estimation of harmonic signals and its application
谐波信号的闭环检测和估计算法及其应用
3.
The forward and backward united iterative prediction model(FBUIPM) for chaotic time series based on the forward and backward united prediction model(FBUPM) is proposed,and it is used to investigate the harmonic signal extraction from chaotic time series.
在混沌时间序列前后向联合预测模型的基础上,提出前后向联合迭代预测模型并将之用于混沌背景下谐波信号的提取。
4) higher harmonic
高次谐波
1.
Approach on Higher Harmonic Pollution and Harmonic Regulation in Power Supply System of Sugar Mills;
糖厂供电系统中的高次谐波污染及治理措施探讨
2.
The harm and restricting method of higher harmonic in power system;
电力系统中高次谐波的危害及其限制方法
3.
The theoretical analysis is made on the reasons why the aggrandizement of motor noise is caused by higher harmonic in the output of frequency converter, and why fan noise is induced by the resonance of carrier wave frequency and fan, and the solution scheme is put forward.
对由变频器输出中的高次谐波造成电动机运转噪声增大及载波频率与风机共振造成风机噪声的原因进行了理论分析,提出了解决方案。
5) high-order harmonic generation
高次谐波
1.
Effects of static electric field on high-order harmonic generation of hydrogen atom in intense laser field;
静电场对强激光场中氢原子产生高次谐波的影响
2.
The effects of static electric field on the time-frequency characteristics of high-order harmonic generation;
静电场对高次谐波时频特性的影响
3.
The enhancement of the conversion efficiency of high-order harmonic generation by a suitable atom;
采用适宜靶原子提高高次谐波的转化效率
6) high harmonic
高次谐波
1.
The hyper-Raman emission in the high harmonic generation;
高次谐波发射中的超拉曼发射(英文)
2.
In order to lower the single magnetically controlled reactor s high harmonics,the operated iron of saturabled controlled reactor is designed in combine-type magnetically saturable structure and set up.
为了降低单相磁控电抗器产生的高次谐波,进一步减小磁控电抗器在双极饱和磁控电抗器产生的较高次谐波电流的含量,提出在极限饱和条件下将铁心设计为磁饱和结构,并概述了叠形磁饱和电抗器的谐波消波原理。
3.
Silicon-controlled rectification installation in operation will produce high harmonic,this high harmonic can feed back to electrical network,makes the quality of electrical network drop,influences the other load in same electrical network normal work.
晶闸管整流装置在运行时要产生高次谐波,该高次谐波会反馈到电网,使电网质量下降,影响与该装置并联在同一电网的其它负载的正常工作。
补充资料：高次谐波
高次谐波
harmonics
gaoci xieb。一谐波频率下，电容器组与电力系统可能发生危险的高次谐波(ha:monics)一个周期电气量的并联谐振，引起很高的谐波电压。(3)产生脉动转矩。正弦分量。其频率为基波频率的整数倍。频率为基波频引起电机角速度脉动，严重时会发生机械共振，对直流率非整数倍的，称分数谐波或旁频波;频率低于基波频电机的换向也不利。(4)增大测量仪表误差。(5)干扰率的，称次谐波。通信。谐波对通信线路产生静电感应和电磁感应、增加 冶金厂矿主要谐波源炼钢电弧炉和用于轧机、噪音及信号失真。(6)影响电子设备运行。可能造成计卷扬机、牵引车和电解设备等供电的变流装置及变频算机、数控机、电子调节系统、远动装置和继电保护等装置是冶金厂矿主要的谐波源。此外还有交流电焊机电子设备误触发信号或不响应。和静止型动态无功补偿装置等。限制标准各国制定的限制谐波的标准不尽相 电弧炉产生的谐波以2~7次为主，8次以上的谐同，中国于 1993年发布的《电能质量公用电网谐波》波很少。同时含有频率较低的分数谐波。(GB/T14549一93)主要指标如表1和表2所示。 变流装置的特征谐波次数为h~kP士1。式中P为整流脉动数;k为正整数。同时含有h笋kP士1的非特表1公用电网谐波电压(相电压)限值征谐波，包括偶次和三倍频谐波。二熏二二习二二几忑』下藻赢磊落摹爵犷 交一交变频装置的谐波频率为f一}(k沪1士1)f，kv!亦宝/叽「一又一丁一下一石一不一士2k2户2几}Hz，式中五、几为变频装置输入、输出频~一丁百丁一一粉一丁下一~-十一下下一一月一-一丁下一一率;kl、k:为零和正整数;p;为整流脉动数;p:为电一一一不一一卞一一一一一寸一一一机相数。一而一!任’”}“’‘}二’u 谐波危害谐波对各种电气设备都有不同程度的351__!_l影响，被称为“电力公害”或“谐波污染”。谐波危害66上1}有以下几种，(‘’产生附加损耗、加速绝缘老化，致使一二巴一二一二二-二一竺址上止立一电机、变压器、电容器和电缆等温升过高、噪音加大、效率降低、寿命缩短或发生故障。(2)产生谐振。在某 表2注人公共连接点的谐波电流允许值)林丽价…却 注:22okV基准短路容量取2000MV·A。 表2中规定的谐波电流允许值是以表内基准短路广串联滤(阻)波器解咚生粉缝鲜弊呼小短路容量与此产无源滤波。…仲阻基准容量不毗”祥悠妙正·阿湍洲严术歇篡 几~子几，滤}}，，.;*，」墩调式-·-，一，-，-·--~一片---一-一、.一一测一“一一一}双调谐式中%26，为公共连接点的最小短路容量;sk:为基准短奚!}l’二阶高通路容量，几p为表2中的第h次谐波电流允许值;几为】、高通弓三阶高通‘，~.二t，、一，，、‘、冲，二二*工、、、*1 LC式高通短路容量是凡，时的第h次谐波电流允许值。
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