谱减,spectral subtraction
1)spectral subtraction谱减
1.Application ofspectral subtraction in road roughness recognition based on dynamic load;谱减在基于动载的路面不平度识别中的应用
2.In the step of feature extraction the effect of additive noise is compensated byspectral subtraction based on short time mean values of the power spectrum, and convolutional noise is compensated by the RASTA (relative spectral) technology on Mel frequency cepstrum.在特征提取阶段,用功率谱短时均值相减的谱减方法补偿加性噪声的影响,用在Mel频标倒谱域RASTA(relativespectral)滤波补偿卷积性噪声对语音识别系统的影响。
3.Aiming to the application ofspectral subtraction in speech enhancement, several improved measures such as pre-emphasize,estimate original noise spectrum, energy threshold VAD and protecting frame are proposed.针对谱减法在语音增强中的应用,提出了几种改进措施,包括预加重、初始噪声谱的估计、能量VAD、保护帧等。
英文短句/例句
1.An Improved Spectral Substraction Method Based on Multiple Sinusoidal Windows Power Spectrum Estimation基于多正弦窗谱估计的改进谱减法语音增强
2.Speech Enhancement Based on Spectral Subtraction under Non-stationary Environment;非平稳环境下的谱减法语音增强算法
3.An approach to speech-sound enhancement is proposed based on the spectral subtraction.提出了一种基于谱减法的语音增强算法。
4.Mary prefer not to be on a diet .玛丽宁愿不吃减肥食谱。
5.Subtractive Analysis of Size Exclusion Chromatography and Fingerprint for Radix Salviae Miltiorrhizae Injection注射用丹参分子排阻色谱及指纹图谱差减分析
6.Do not you think it good for her to is on a diet?你认为她吃减肥食谱好吗?
7.I shed 25 pounds as a result of my new diet.使用新食谱后，我减去了25磅
8.If you desire painless weight reduction, please diet on the special low-calorie menu.欲无痛苦减肥，请按低卡食谱进餐。
9.Adaptive Synchronous Sampling Algorithm for Reducing the Spectrum Leakage;减少频谱泄漏的自适应同步抽样算法
10.A Method of Reducing Spectrum Leakage in FFT Test;FFT分析中一种减少频谱泄漏的方法
11.Spectral subtraction speech enhancement based on the masking properties of human auditory system基于掩蔽效应的谱相减语音增强算法
12.Discuss of Method to Determine Consistent Spectra Decaying Constant一致概率谱衰减指数的取值方法探讨
13.Identification of Anti - obesity Drugs Adulterated in Traditional Chinese Medicine Preparations by HPLC-MS液相色谱-质谱联用法鉴定中药制剂中掺入的减肥药
14.During unsaturated growth, the width of the spectral profile will decrease.在非饱和增长期间，谱线轮廓的宽度将减
15.THE DETERMINATION OF MIXTURE RATIO OF POLYESTER-WOOL FABRIC BY ATR红外衰减全反射光谱法测定毛涤织物的混纺比
16.Analysis of Gearbox Vibration and Noise & Its Diagnosis by Spectrum Diagnostic Method;减速机振动和噪声分析与谱诊断方法研究
17.Separation of Hypericin from Hypericum Perforatuml Using Vacuumliquid Chromatogragraphy;减压液相色谱法提取贯叶连翘中的金丝桃素
18.Application of wavelet denoising and bispectrum analysis in fault diagnosis of bearing;小波减噪和双谱分析在轴承故障诊断中的应用
相关短句/例句
Subtraction spectroscopy减法光谱
3)decay curve衰减谱
1.The induced polarizationdecay curve contains more information than the polarizability which was used in the conventional induced polarization logging tool.为更好地利用激发极化谱评价储层,采用正则化方法并结合奇异值分解技术对泥质砂岩的激发极化衰减谱进行了多指数反演,得到了连续光滑的弛豫时间谱。
2.The induced polarization(IP)decay curve contains more information than the polarizability.激发极化衰减谱比极化率具有更为丰富的储层信息,与地层的孔隙结构、渗透率、地层水电阻率以及泥质含量密切相关。
4)differential chromatography差减色谱
5)spectrum subtraction光谱差减
1.To realize multi-component analysis of air quality detecting,an gas quantitative method combining technique of Fourier Transform Infrared (FTIR) spectroscopy and the method ofspectrum subtraction was applied.针对大气质量检测的多组分定量分析,本文提出利用傅里叶变换红外光谱(FTIR)技术与光谱差减相结合的气体定量方法。
6)spectral subtraction谱减法
bining beamforming andspectral subtraction for microphone array speech enhancement;联合波束形成与谱减法的麦克风阵列语音增强算法
2.Pitch detection method based onspectral subtraction;基于谱减法的基音检测算法
3.Speech enhancement based onspectral subtraction of multi-band scale;基于多频带谱减法的语音增强算法的研究
延伸阅读
计算机减谱技术分子式：CAS号：性质：又称计算机减谱技术。对存储的两张谱图进行差减，将透光率标度换算为吸光度，选择欲差减组分的一个不受或基本上不受其他组分影响的独立峰，计算出它的吸光度。根据吸光度加和性原理，从混合谱图中各点处的总吸光度中减去欲差减组分的吸光度之后，再将谱图的吸光度标度重新换成透光率标度，便得到欲要的纯组分光谱图。
