Frequency resolution 1 Hz, also suitable for extremely narrowband tests.
第1赫兹的频率,也适用于极为窄带测试。
The frequency resolution and the character of real-time are also discussed.
同时对其频率分辨率和实时性进行了讨论。
In STFT is window is of finite length, and we no longer have perfect frequency resolution.
快速傅立叶变换用到的窗宽度长度有限,因此不能获得完美的频率分辨率。
Fine frequency resolution requires a small reference frequency and a correspondingly small loop bandwidth.
高的频率分辨率要求低的参考频率,这就相应地要求环路的带宽比较窄。
Improving (i. e. reducing) the frequency resolution may help if you encounter issues of data transfer bandwidth.
提高频率还可以遇到带宽数据溢出时帮助我们。
This system has adopted the algorithm of digital down convert FFT, so the frequency resolution is improved greatly.
使用先进的数字信号处理器,缩减了分立元件的数量,提高了系统的稳定性和扫频的速度;
It can get not only high time-frequency resolution, but also parametric description of all kinds of data structures.
它不仅可以获得较好的时频分辨率,而且可以参数化描述任何类型的数据。
This algorithm can achieve high frequency resolution and reduce the search range of MUSIC algorithm's spectral peak.
该算法可得到较高的频率分辨率,并减少了MUSIC算法的谱峰搜索范围。
Zoom complex envelope is formed by zoom technique applied to complex envelope in order to increase the frequency resolution.
细化复包络谱是将细化技术应用到复包络谱上,可以提高频率分辨力。
It has the properties of high time-frequency resolution and energy concentration as well as tracking instantaneous frequency etc.
它具有很高的时频分辨率、能量集中性和跟踪瞬时频率等特性。
Direct Digital Synthesizer (DDS) has the advantages of high frequency resolution, rapid frequency change rate and low phase noise.
直接数字频率合成器dds具有极高的分辨率、频率转换速度快、相位噪声低等优点。
By using the technical scheme of the invention, the resonant frequency can be improved, and high frequency resolution can be realized.
使用本发明技术方案,能提高谐振频率,实现高的频率分辨率。
However, low frequency resolution often affects the accuracy of frequency identification and the work may therefore result in failure.
但它往往因频率分辨率低,而影响频率识别的准确性,导致故障诊断的失败。
The frequency resolution is an important concept in the digital signal processing teaching, because it effects the DFT parameter choice.
频率分辨率是数字信号处理课程教学中一个重要的概念,因为它决定了DFT参数的选择。
Though increasing the time window length or the sampling number can improve frequency resolution, yet the calculation will be cumbersome.
欲提高频率分辨率,只有增加时间窗长度或增加采样点数,这又必然会增大计算量。
By means of this technique, the signal frequency can been controlled with facility, accuracy, continuous phase and fine frequency resolution.
利用这种技术可以方便的实现高精度、连续相位、高分辨率的频率控制。
Due to high temporal and frequency resolution and high energy focus, the accuracy of fault signal feature extraction is greatly improved by WVD.
WVD很高的能量聚集性和很好的时频分辨率,极大地提高了故障信号特征提取的准确度。
You may ask, why don't we make the length of the window in the STFT infinite, just like as it is in the FT, to get perfect frequency resolution?
你可能会问,我们为什么不像傅立叶变换用无限长的窗口一样,而在快速傅立叶变换中却用有限长的窗口进行分析呢?
Improving the frequency resolution requires more data points per average. Thus, the acquisition block size increases with finer frequency resolutions.
提高频率从而获得字区大小随频率分解而增长。
DDS is an advanced technique on frequency synthesis, whose primary advantages are controlling facility, continuous phase and fine frequency resolution.
DDS技术是一种先进的频率合成技术,其主要优点是易于程控,相位连续,输出频率稳定度高,分辨率高。
Digital signal processing for analysing noise of motors has the advantages of high computing speed, fine frequency resolution and multiple functionality.
应用数字信号处理技术分析电机噪声具有分析速度快,频率分辨率高,功能丰富等特点。
After denoising, it analyzes PCG signal by Short-Time Fourier Transform (STFT). Different window-width is corresponding to different time-frequency resolution.
对去噪后的心音信号,本文进行了短时傅立叶变换,不同长度的时间窗对应了不用的时频分辨率。
The direct digital frequency synthesis (DDS) is a kind of new frequency synthesis method. It has high frequency resolution, fast frequency switching speed, etc.
直接数字频率合成(DDS)是一种新的频率合成方法,具有频率分辨率高、切换速度快等优点。
Calculates the setting range of each parameter in theory, and proves the method of wavelet transformation has higher frequency resolution than the method of FFT.
从理论上计算各个参数的设置范围,并且证明小波变换方法比FFT方法有较高的频率分辨率。
The output signal frequency of integer frequency synthesizer is the integral multiple of reference signal frequency, Loop frequency resolution is the reference frequency.
整数频率合成器输出信号的频率是参考信号频率的整数倍,环路的频率分辨率为参考频率。
Digital waveform generator which use DDS (Direct Digital Synthesize) technology has many merits like high frequency resolution, good stability and easy to generate signal.
基于DDS技术的数字波形发生器具有频率分辨率高、稳定性好、可灵活产生多种信号的优点。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
Designed for the lower Angle precision of the MMW terminal guidance radar in angular tracking, the new algorithm based on high frequency resolution profile is proposed in this paper.
针对毫米波末制导雷达角跟踪精度差的问题,提出基于频域高分辨像的单脉冲测角算法。
A novel adaptive line enhancer (ALE) with high frequency resolution was presented, which suitable for underwater acoustic communication with MFSK or frequency hopping (FH) modulation.
根据水声mfsk或跳频通信中频率估计特点,提出了一种基于自适应线谱增强器(ale)理论的实用高分辨频率估计新方法。
A novel adaptive line enhancer (ALE) with high frequency resolution was presented, which suitable for underwater acoustic communication with MFSK or frequency hopping (FH) modulation.
根据水声mfsk或跳频通信中频率估计特点,提出了一种基于自适应线谱增强器(ale)理论的实用高分辨频率估计新方法。
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