3) amplitude spectrum
振幅谱
1.
Division of high-resolution sequence based on wavelet amplitude spectrum and complex wavelet phase spectrum;
基于小波振幅谱和复小波相位谱的高分辨率层序划分
2.
The resurgent technology of signals only depends on the amplitude spectrum of the synthetic seismograms.
仅用原始合成地震道记录的振幅谱来恢复原始记录,讨论不同方法下,由于激发子波的不同,对比分析原始记录与恢复记录的差异,及其恢复效果。
4) amplitude spectrum
幅度谱
1.
Effect of striking point and striking dynamics on the amplitude spectrum of piano signals;
击弦点及击弦力度对钢琴幅度谱的影响
2.
This paper mainly studies the effect of the 7th and 9th harmonics of piano amplitude spectrum on piano tone quality.
主要研究了钢琴声音幅度谱中的第七、第九次谐波对钢琴音质的影响。
3.
The response of the paraffin thickness using the amplitude spectrum of scattered neutron is studied.
用中子散射幅度谱研究石蜡厚度响应的实验装置由241Am-Be中子源、锂玻璃探测器和BH1224多道谱仪组成。
5) amplitude spectrum
幅值谱
1.
From the definition of DFT,calculation method of amplitude spectrum for digital signal is derived in this paper.
根据离散傅里叶变换DFT的定义,推导出数字信号幅值谱的解析计算方法,并通过C++Builder开发工具设计了一套测试程序,对数字合成信号进行了幅值谱的计算仿真,仿真结果验证了算法的有效性。
2.
In amplitude spectrum of vibrating signal of bearings,there generally exists much disturbance of uniform distributed noise frequencies,which is difficult to be erased by common filter and has a bad influence on identification of bearing vibrating frequency.
滚动轴承振动信号的幅值谱往往在整个频带上都存在着均匀分布的噪声频率干扰,难以用一般的滤波方法去除,这对轴承实际振动频率成分的识别有很大的影响。
3.
When the adhesive quality in multi-layered structures (steel shell, insulation layer and under lying layer) in airbourne solid rocket motors is inspected through oblique ultrasonic pulse echo in immersion, the amplitude spectrum extrema between echoes are used to get signal characters, in order to eliminate signal overlapping in the time field.
在采用斜声束水浸回波法对机载固体火箭发动机的钢、绝热层、衬层多层结构的粘接质量进行超声图像诊断时 ,为了消除信号混叠影响 ,本文利用检测回波之间的幅值谱极值提取信号特征值 ,并针对在实际检测中出现的极值点分布不均匀现象 ,提出了若干提高特征值提取精度的措施 ,有效地提高了检测信噪比 ,改善了图像质
6) FFT amplitude spectrum
FFT幅值谱
补充资料:《佩文斋广群芳谱·药谱》
《佩文斋广群芳谱·药谱》 《佩文斋广群芳谱·药谱》 药学著作。又名《广群芳谱·药谱》。八卷。清·刘灏著。刊于1708年。本书为《佩文斋广群芳谱》卷九十三-一百,共收药物720余种,系在《二如亭群芳谱·药谱》的基础上增补而成。每种药物标记的“原”字下,均为《群芳谱》原文,“增”字下,为新增加的内容,特别是新增的“汇考”及“集藻”二项,补充各种文史资料尤为丰富。此外还新增补了一些新药。但却删去了原书中种植、修治、服食、疗治等内容。现存三种清刻本,及商务印局馆铅印本。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条