时频聚集性,TF assembly,在线英语词典,英文翻译,专业英语

1) TF assembly

时频聚集性

But its TF assembly isn t very good.

短时傅立叶变换是一种线性变换,对于多分量信号来说不存在交叉项,但时频聚集性不好;Wigner-Ville分布具有很好的时频聚集性,但对于多分量信号却存在交叉项。

2) time-frequency

时频

Wavelet Package Based Speech Enhancement Algorithm Using Time-Frequency Threshold;

基于时频阈值的小波包语音增强算法

Application of joint time-frequency distribution and its attribution.;

联合时频分布及其属性的应用

Applying "zoom lens having adjustable focus" of wavelet transform to provide multiple levels time-frequency analysis for load power signal of shearer,analysis results show that th.

应用小波变换的"可变焦"特性对采煤机负载功率信号进行了多尺度时频分析,分析结果对采煤机工作状况监控和采煤机的设计具有实际的应用价值。

3) time-frequency distribution

时-频分布

Preliminary analysis of time-frequency distribution of transient evoked otoacoustic emission in normal hearing human subjects;

正常人耳瞬态诱发耳声发射的时-频分布初步分析

Thus, the standard time-frequency distribution images of all fault conditions including the gap abrasion in-formation of the main bearing can be defined.

通过该方法,可以得到含有内燃机主轴承间隙磨损状态的时频信息,定义出各个标准故障状态的时-频分布图,建立了基于图像匹配技术的内燃机主轴承磨损故障诊断模型。

4) Instantaneous frequency

瞬时频率

Diagnosis method of instantaneous frequency for rotor impact-rub fault of aeroengine;

航空发动机转子碰摩故障瞬时频率诊断方法

Ultrasonic signal process method based on instantaneous frequency;

基于瞬时频率的超声信号数字处理方法

Study of analysis of instantaneous frequency in partial wave method;

论局域波法中瞬时频率分析

5) time and frequency analysis

时频分析

The study of time and frequency analysis,feature extraction,source locating and denoising of the original signal is described in detail.

在综合描述复合材料声发射信号特征和小波变换基本原理的基础上,本文总结了小波变换在声发射信号分析中的研究进展,并重点描述小波变换对复合材料破坏过程中声发射信号的特征提取、时频分析和信号除噪及声源定位方面的研究,提出了小波变换在声发射信号分析应用中需要进一步解决的问题。

6) time-frequency analysis

时频分析

Comparison between time-frequency analysis methods of yarn signal;

纱线信号时频分析方法比较

Dynamic signals' time-frequency analysis of resistance spot welding process;

电阻点焊过程动态信号的时频分析

Study on time-frequency analysis for acousto-ultrasonic testing signal in thin plates;

薄板声——超声检测信号的时频分析研究

参考词条

时频参数时频分布时频测试时-频特性时频重排时-频特征时频原子时频分解时频域时频对偶主导勘探线高分散悬浮液

补充资料：聚集经济（聚集利益）（聚集效应）

n聚集经济（聚集利益）（聚集效应）是指由于某工业部 n门向某特定地域集中新产生的供生产成本降低的效果。因为分工协作，扩大生产规模，节约使用基础设施等会降低生产成本。 n

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

首页 \| 翻译 \| 影视 \| 论坛 \| 索引时-频分析时频滤波时频特性时–频分析时频特征时-频转换

1) TF assembly 时频聚集性 1. But its TF assembly isn t very good. 短时傅立叶变换是一种线性变换,对于多分量信号来说不存在交叉项,但时频聚集性不好;Wigner-Ville分布具有很好的时频聚集性,但对于多分量信号却存在交叉项。 2) time-frequency 时频 1. Wavelet Package Based Speech Enhancement Algorithm Using Time-Frequency Threshold; 基于时频阈值的小波包语音增强算法 2. Application of joint time-frequency distribution and its attribution.; 联合时频分布及其属性的应用 3. Applying "zoom lens having adjustable focus" of wavelet transform to provide multiple levels time-frequency analysis for load power signal of shearer,analysis results show that th. 应用小波变换的"可变焦"特性对采煤机负载功率信号进行了多尺度时频分析,分析结果对采煤机工作状况监控和采煤机的设计具有实际的应用价值。 3) time-frequency distribution 时-频分布 1. Preliminary analysis of time-frequency distribution of transient evoked otoacoustic emission in normal hearing human subjects; 正常人耳瞬态诱发耳声发射的时-频分布初步分析 2. Thus, the standard time-frequency distribution images of all fault conditions including the gap abrasion in-formation of the main bearing can be defined. 通过该方法,可以得到含有内燃机主轴承间隙磨损状态的时频信息,定义出各个标准故障状态的时-频分布图,建立了基于图像匹配技术的内燃机主轴承磨损故障诊断模型。 4) Instantaneous frequency 瞬时频率 1. Diagnosis method of instantaneous frequency for rotor impact-rub fault of aeroengine; 航空发动机转子碰摩故障瞬时频率诊断方法 2. Ultrasonic signal process method based on instantaneous frequency; 基于瞬时频率的超声信号数字处理方法 3. Study of analysis of instantaneous frequency in partial wave method; 论局域波法中瞬时频率分析 5) time and frequency analysis 时频分析 1. The study of time and frequency analysis,feature extraction,source locating and denoising of the original signal is described in detail. 在综合描述复合材料声发射信号特征和小波变换基本原理的基础上,本文总结了小波变换在声发射信号分析中的研究进展,并重点描述小波变换对复合材料破坏过程中声发射信号的特征提取、时频分析和信号除噪及声源定位方面的研究,提出了小波变换在声发射信号分析应用中需要进一步解决的问题。 6) time-frequency analysis 时频分析 1. Comparison between time-frequency analysis methods of yarn signal; 纱线信号时频分析方法比较 2. Dynamic signals' time-frequency analysis of resistance spot welding process; 电阻点焊过程动态信号的时频分析 3. Study on time-frequency analysis for acousto-ultrasonic testing signal in thin plates; 薄板声——超声检测信号的时频分析研究参考词条时频参数时频分布时频测试时-频特性时频重排时-频特征时频原子时频分解时频域时频对偶主导勘探线高分散悬浮液补充资料：聚集经济（聚集利益）（聚集效应） n聚集经济（聚集利益）（聚集效应）是指由于某工业部 n门向某特定地域集中新产生的供生产成本降低的效果。因为分工协作，扩大生产规模，节约使用基础设施等会降低生产成本。 n 说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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