instantaneous frequency

瞬时频率：表示信号在某一时刻的频率

常用释义

瞬时频率：表示信号在某一时刻的频率，通常用于分析非稳态信号的频率特性。

扩展信息

瞬时频率

信息英语词汇(I) ... instantaneous access 立即存取 instantaneous frequency 瞬时频率 instantaneous storage 立即存取存储器 ...

瞬间频率

...的相角正比於调变信号，而调频信号则是与载波信号的 瞬间频率 ( Instantaneous Frequency )正比於调变信号，后者又导致载 …

即时频率

3.5.3.1 即时频率(Instantaneous Frequency)953.5.3.2 内建模态函数(Intrinsic Mode Functions, IMF)963.5.3.3 经验模态分解法(T…

瞬频

2.6.1 瞬频(Instantaneous Frequency)…………………252.6.2 内含模组函数(Intrinsic Mode Function)………262.6.3 经验模式分 …

瞬间频宽

瞬间频宽 (Instantaneous Frequency) 也称为即时频宽 (Real-Time Frequency)，代表了某仪器产生或撷取的最高连续 RF 频宽 …

例句

Instantaneous Frequency Measurement(IFM) receivers are important for modern electronic reconnaissance systems.

瞬时测频接收机是现代电子侦察系统的重要组成部分。

A method for identifying the instantaneous frequency of a linear time-varying structure was proposed.

提出了一种识别线性时变结构瞬时频率的方法。

We compare four types of methods for estimating instantaneous frequency. The phase difference estimator is susceptible to noise.

本文比较了四类计算瞬时频率的方法。基于相位差分的方法对噪声敏感；

Therefore, the instantaneous frequency measurement technology has a important research value in the modern electronic warfare.

所以瞬时测频技术在现代电子战中有着重要的研究价值。

In addition, if can be defined that a generalized instantaneous frequency (IF) applicable to broadband nonstationary signals.

此外，还可以定义一个广义的瞬时频率（IF）适用于宽带非平稳信号。

Using 2-D PCPF, the instantaneous frequency rate of 2-D chirp signals under low SNR can be estimated accurately.

应用该方法可以在较低信噪比下，准确地估计出多分量二维线性调频信号的瞬时频率变化率。

As a result, the instantaneous frequency is different at different position.

结果表明，堆积脉冲不同位置瞬时频率变化不同；

Instantaneous Frequency Estimation Using Exponentially Forgetting Transform

基于指数遗忘分布的瞬时频率估计算法

Instantaneous Frequency Detection Approach Using Topology Contravariant Functor

基于拓扑反变算子的瞬时频率检测方法

Estimation of the Instantaneous Frequency Using Adaptive Time-Frequency Distribution

应用自适应时频分布的瞬时频率估计

Order Component Extraction on Instantaneous Frequency Estimation and Time-frequency Domain filtering

基于瞬时频率估计及时频滤波的阶比分量提取

Precision Analysis of Counting Instantaneous Frequency Measurement

计数式瞬时测频精度分析

Study of analysis of instantaneous frequency in partial wave method

论局域波法中瞬时频率分析

Advances and Trends in Instantaneous Frequency Estimation Methodology

瞬时频率估计算法研究进展综述

Application of Wavelet Transform and Phase Modeling to Estimation of Instantaneous Frequency

小波变换与相位建模在瞬时频率估计中的应用

Estimation of the Instantaneous Frequency in High Noise Circumstance

强背景噪声环境下的线性调频信号频率估计

Hindrance of Noise on Instantaneous Frequency Measurement Receivers

噪声对瞬时测频接收机性能的影响

Non-stationary Data Processing Methods and Instantaneous Frequency

非平稳数据处理方法与瞬时频率

On the Potential of Instantaneous Frequency as a Damage Detection Tool

瞬时频率技术对结构破损检测能力的探讨

Instantaneous frequency measurement based on frequency space compression and asynchronous optical sampling

基于异步光取样的频率空间压缩法瞬时测频方法

Study on a method of digital counting instantaneous frequency measurement

一种数字计数瞬时测频的方法研究

Instantaneous frequency estimation based on parametric adaptive time-frequency distribution

基于参数自适应时频分布的瞬时频率估计

The Algorithm Based on Zero -Crossing and Extremum Estimation to Obtain Instantaneous Frequency and Instantaneous Amplitude

基于过零点-极点估计的瞬时频率幅度算法

On the Methods of Instantaneous Frequency Estimate for High Resolution Seismic Data

高分辨地震资料瞬时频率提取方法研究

Instantaneous frequency estimation of the sequence of hopping -frequency based on short-time Fourier transform

基于短时傅立叶变换的跳频序列瞬时频率估计

Estimating Instantaneous Frequency of Vortex Signal in Pulsing Flow

脉动流条件下涡街信号瞬时频率的估计

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

Extraction of Instantaneous Frequency in Wavelet Domain

小波域内瞬时频率提取方法研究

An Effective Method of Evaluating the FM Signal Instantaneous Frequency

一种估算调频信号瞬时频率的有效方法

A Method for Estimating Instantaneous Frequency

瞬时频率的一种估计方法