同时对其频率分辨率和实时性进行了讨论。
The frequency resolution and the character of real-time are also discussed.
该算法不仅计算简单，而且可获得较高的频率分辨率。
This algorithm not only is computationally simple but also can provide superresolution frequency estimation.
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。
By using the technical scheme of the invention, the resonant frequency can be improved, and high frequency resolution can be realized.
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。
In STFT is window is of finite length, and we no longer have perfect frequency resolution.
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。
Fine frequency resolution requires a small reference frequency and a correspondingly small loop bandwidth.
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。
This algorithm can achieve high frequency resolution and reduce the search range of MUSIC algorithm's spectral peak.
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。
However, low frequency resolution often affects the accuracy of frequency identification and the work may therefore result in failure.
测试结果表明：估值器的频率分辨率和幅值稳定性较高，能满足工程计算的要求。
The test result shows that the estimator can satisfy the engineering requirement of frequency distinguishability and amplitude stability.
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。
Though increasing the time window length or the sampling number can improve frequency resolution, yet the calculation will be cumbersome.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
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。
Digital signal processing for analysing noise of motors has the advantages of high computing speed, fine frequency resolution and multiple functionality.
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。
The frequency resolution is an important concept in the digital signal processing teaching, because it effects the DFT parameter choice.
模拟实验结果表明，该方法不仅具有很高的频率分辨率，而且能抑制高斯有色噪声的影响。
It is demonstrated by simulations that the new approach has high resolution and can suppress the effect of colored Gaussian noises.
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。
The output signal frequency of integer frequency synthesizer is the integral multiple of reference signal frequency, Loop frequency resolution is the reference frequency.
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。
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.
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。
Digital waveform generator which use DDS (Direct Digital Synthesize) technology has many merits like high frequency resolution, good stability and easy to generate signal.
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。
The direct digital frequency synthesis (DDS) is a kind of new frequency synthesis method. It has high frequency resolution, fast frequency switching speed, etc.
理论和仿真结果都证明，在短数据信号情况下，这种谱估计方法其频率分辨率和估计精度都要高于FF T方法。
It's proved by theory and emulation that this spectrum estimation method has a better frequency resolution and a higher estimation accuracy than that of FFT under the condition of short data signal.
在利用直接数字式合成方法产生周期信号时，信号的频率分辨率和带宽直接受限于合成系统的工作频率和存储容量。
In the direct digital synthesis of periodic signals, the frequency resolutions and bands of the synthesized signals are limited by the working frequency and data capacity of the synthesizing system.
并且克服了时域法要求对QRS 复合波的起点和终点准确定位不易的缺点，以及频域分析法频率分辨率不足的缺陷。
The advantage of this method is that it doesn't require locating accurately the end point of QRS wave of HRECG and overcomes low resolution of frequency-domain analysis.
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。
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.
随着现在电子技术的进步，系统对频率合成器的精度、频率分辨率、转换时间和频谱纯度等指标提出了越来越高的要求。
With the development of modern electronic technology, frequency synthesizers are required to have wider band, higher resolution, short frequency switching time and lower spurious level.
与传统的FFT相比极大熵谱法具有频率分辨率高，适于短时瞬态数据处理，而且能给出振动幅值与频率和时间三者的关系。
Compared with traditional FFT method, MESE not only has higher resolution but also fits the processing of transient data, so, it can show the relation of amplitude to both time and frequency.
直接数字频率合成(DDS)技术是目前广为应用的一项频率合成技术，它具有频率转换时间短、频率分辨率高、可编程等特点。
DDS (direct digital synthesis) is a sort of frequency synthesis technique, which has advantages such as short frequency conversion time, high resolution in frequencies, programmability and so on.
模块中的相位累加器，使系统具有较高的频率分辨率，可实现快速频率切换，很容易实现频率、相位和幅度的数控调制，有广泛的应用价值。
The phase adder in the model is widely applied which could enable system to hold high frequency revolution, fast frequency switching, and easily digital modulating of the signal's phase and amplitude.
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。
DDS is an advanced technique on frequency synthesis, whose primary advantages are controlling facility, continuous phase and fine frequency resolution.
该解调方法具有结构简单、扫描频率高、分辨率好、线性度好等优点。
This method has some advantages such as simple structure, high scan frequency, high resolution and good linearity.
本文正是基于低相位噪声、高分辨率为目的，对宽带频率源作了研究和分析。
The paper was based on the goal of low phase noise, high resolution to study and analyze the wideband frequency source.
测试结果表明，信号源输出频率的分辨率、稳定度和一系列功能完全达到预定的指标。
The test result indicates that for the output frequency of signal resource, the resolution, stability and a series of functions fully realize the scheduled targets.
测试结果表明，信号源输出频率的分辨率、稳定度和一系列功能完全达到预定的指标。
The test result indicates that for the output frequency of signal resource, the resolution, stability and a series of functions fully realize the scheduled targets.
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