The results indicate that ESPRIT algorithm based on vector sensor can obtain higher resolution frequency estimation than that based on pressure hydrophone.
结果表明基于矢量传感器的算法比基于声压传感器的算法具有更高的频率估计精确度。
If the space shift invariance is replaced by the time shift invariance, the high resolution frequency estimation can be obtained using a single vector sensor.
如果将空间的位移变成时间的延迟，单个矢量传感器可以实现高分辨率的频率估计。
Furthermore, by using the principle of ultrahigh resolution frequency measurement, the ultrahigh resolution frequency measurement can be achieved with simple circuits.
利用超高分辨率测频原理，以简单廉价的电路完成对频率信号的超高分辨率测量。
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。
These conclusions are important for choosing suitable radar system parameters such as center frequency , resolution and imaging squint angle in engineering design.
这些结论对工程设计牛选择合适的工作参数，如载频、分辨率、成像斜角等具有较为重要的参考价值。
The second part of the lexicon consisted of 13,060 characters and their frequency of usage (Tsai, 1996b). Character frequency was used in the last ambiguity resolution rule.
字典的第二部份由13060个汉字及它们的使用频率组成（Tsai,1996b），汉字的频率在最后一个歧义消除规则之中使用。
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。
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。
The result showed that the analyzer has wide input frequency range, narrow RBW (Resolution Bandwidth) and high scanning accuracy, and it reaches the international advanced level.
测试结果表明所设计的分析仪输入频带宽、频率分辨力和扫频准确度高，达到国际同类产品先进水平。
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。
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。
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。
This method has some advantages such as simple structure, high scan frequency, high resolution and good linearity.
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。
A broadband, high resolution and low phase noise frequency synthesizer used in electronic detection and electronic countermeasure system is described in detail.
详细介绍了一种用于电子侦察与对抗系统中的宽带、高分辨率、低相位噪声频率合成器。
The paper was based on the goal of low phase noise, high resolution to study and analyze the wideband frequency source.
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。
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。
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。
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。
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；
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？
From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.
根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系，将重力异常分成不同频段、不同分辨率，分别计算了截断误差。
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。
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。
The position and width of interference pattern were related to the observing Angle, range resolution and carrier frequency.
明暗条纹出现的位置和宽度与雷达观测角度、距离向分辨率、以及雷达工作频率等有关。
The alias, frequency dispersion and lateral resolution of migrated seismic section are analysed in detail in this paper.
本文对偏移剖面上的假频、频散和横向分辨力作了比较系统的论述。
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.
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。
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。
However, When dealing with high frequency signal, it has the drawbacks of low frequency domain resolution.
特性及自动调节的时频窗，可以聚焦到信号的任意细节，但对高频信号的频域分辨率较低。
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。
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。
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