频谱,Spectrum
1)Spectrum[英]["spektr?m][美]["sp?ktr?m]频谱
1.Caved coal and rock spectrum on longwall face;综采工作面煤矸频谱特征
2.Correlations between spectrum characteristics of DRC and nugget size in resistance stainless steel spot welding;不锈钢点焊动态电阻曲线频谱与熔核的关系
3.Study onSpectrum Characteristics of Blasting Vibration Wave;爆破地震波的频谱特性研究
英文短句/例句
1.spectral density谱线[频谱，光谱]密度
2.swept IF type spectrum analyzer扫中频式频谱分析仪
3.Spectral Sculpting of OFDM Signal for Opportunistic Spectrum AccessOFDM机会频谱接入的信号频谱成型方法
4.Research on Dynamic Spectrum Management Based on Multi-dimension Spectrum Space多维频谱空间下的动态频谱管理研究
5.Frequency spectrum element, carrier frequency. Frequency type can be specified.频谱元件，载波频率。可指定频率类型。
6.octave and third octave spectrogram倍频程及1/3倍频程频谱图
7.The standard spectrum of whispered Chinese speechGB/T7348-1987耳语标准频谱
8.zero-field paramagnetic resonance spectrometer零场顺磁共振频谱仪
9.micro wave all-pictrue frequency spectrum analyzer微波全景频谱分析仪
10.microwave pulse spectrum analyzer微波脉冲频谱分析仪
11.three-dimensional dynamic spectrum analyser三维动态频谱分析仪
12.solar radio dynamic spectrograph太阳射电动态频谱仪
13.The standard spectrum of Chinese speechGB/T7347-1987汉语标准频谱
14.swept front end type spectrum analyzer扫前端式频谱分析仪
15.high resolution low frequency spectrum analyzer高分辨率低频谱分析仪
16.real-time digital spectral analyzer实时数字频谱分析仪
17.real-time digital spectrum analyzer实时数字频谱分析器
18.real-time all-digital spectrum analyzer实时全数字频谱分析仪
相关短句/例句
frequency spectrum频谱
1.Study onfrequency spectrum characteristics of acoustic emission in coal or rock deformation and fracture;煤体破裂声发射的频谱特征研究
2.Frequency Spectrum Characteristics of Loran-CPPM Coding Communication;罗兰-CPPM编码通信的频谱特性研究
3.On the character offrequency spectrum for an underground engineering wall rock;某地下工程围岩的声波频谱特性
3)spectra[英]["spektr?][美]["sp?ktr?]频谱
1.Bio-impedancespectra measurement and systematic research on electrical impedance tomography;生物组织复电阻抗频谱测量及电阻抗断层成像系统的研究
2.Resolution study of the second-order group dispersion effects on thespectra of super-Gaussian pulses;二阶群色散对超高斯脉冲频谱影响的解析研究
3.Influence of Initial Chirp on the Evolution of Spectra;初始啁啾对脉冲频谱演变的影响
4)frequency spectra频谱
1.In each OPs waveform, thefrequency spectra from 10 to 290 Hz were derived by Fast Fourier Transform (FFT).用快速傅里叶变换计算 OPs的 10～ 2 90 Hz频谱 ,计算频谱的功率总和以及最大功率。
2.A par-ticular method usingfrequency spectral analysis and fuzzy mode identification is introduced, And the deeply studied direction is indicated.本文提出对电气设备噪声进行在线监测和实时故障诊断的概念和研究的必要性，综述了电气设备噪声分析和故障诊断的方法，结合实例介绍了利用噪声频谱分析和模式识别方法进行故障诊断的方案，并指出了深入研究的方向。
3.with impulsefrequency spectra method may test bearings on-line and predict break-downs.使用冲击脉冲频谱方法,可以在运行中准确完成轴承的检测工作,还可以预报设备故障。
5)frequency[英]["fri:kw?nsi][美]["frikw?ns?]频谱
1.Doppler Features of Central Retinal Artery and Vein: An Observation of Frequency Shift Spectrum in HealthyAdults;正常成年人眼视网膜动静脉多普勒频谱形态观察
2.Based on microlocal analysis,the propagation of singularities of semilinear thermoelastic materials with microstretch was studied by using the diagnolization offrequency analysis,and the finite propagation speed of singularities of solutions to Cauchy problem of the model was proved.基于微局部观点,利用频谱分析对角化的方法,讨论了一维半线性微伸缩热弹性力学材料的奇性传播问题,证明了该模型柯西问题解的奇性传播具有有限的传播速度。
6)spectrum[英]["spektr?m][美]["sp?ktr?m]光谱;频谱
延伸阅读
倍频谱带分子式：CAS号：性质：又称倍频谱带。红外光谱分析中的一种谱带；指某个吸收频率为基谐振动频率的2倍或3倍时的吸收带。它的产生是由于两个原子核间的库仑排斥力使振动频率发生了异常变化的结果。泛频带的吸收强度往往很低，因此这个吸收带有时测不出来。
