贝叶斯推理的多信道频谱感知方法也是多分辨率频谱感知的基础，具有重要的应用价值。
This idea sheds a light to the more general multi-resolution spectrum sensing problem, and is of practical significance.
以一般信号和正弦信号为例，通过理论分析和频谱图示意，对抽样定理中最低抽样率的取值进行了明确的说明。
Though examples of common signal and sine signal, by the frequency spectrum graph and theoretical analysis, the minimum sample rate of the sampling theorem is made clear.
基于频谱特征的语音激活检测方法易于实现，计算量小且准确率高，适合较高信噪比的实时数字通信网络中。
Our voice activity detection method is simple to be implemented and calculated and has high accuracy, which can work in the real time digital communication network with better signal-noise-ratio.
随着孔隙率、孔径的减小，多孔铝的共振吸声系数有所下降，吸声频谱曲线向低频方向移动，且频带宽度展宽。
When the porosity and pore diameter reduced, the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
该方法仅需将混沌信号作为激励信号作用于被侧系统，通过计算系统偷出信号的频谱，便可获得被浏系统的颇率回应特性。
The frequency response characteristic of the tested system can be easily obtained just by giving a chaotic input and analyzing the spectrum of the output.
频谱分辨率是数字信号处理教学和工程应用中经常遇到的问题。
Resolution of spectrum is the common problem occurring in teaching of digital signal processing and engineering application.
另一方面，对于MIMO - OFDM系统来说，自适应调制技术可以提高系统的数据传输率、频谱效率以及传输的可靠性。
On the other hand, adaptive modulation technique can enhance data rate, spectrum efficiency and transmission reliability in MIMO-OFDM systems.
本文通过混频器测试和吸波材料反射率测试两个实例，介绍了频谱分析仪在网络测试中的应用。
The paper introduces application of spectrum analyzer in network analysis with two examples-the mixer and the reflectivity of absorbtive material measuring systems.
根据误差的频谱特性，分析了航空矢量测量系统的分辨率，得出了一些对实测飞行有用的结论。
The resolution of airborne vector gravimetry is analyzed according to the error spectrum and some conclusions useful for the flight are drawn.
从波形显示所要求的幅度分辨率、插值显示和频谱分析对量化精度的要求等方面进行分析，确定ADC参数；
The ADC parameters are selected according to the aspects of the required amplitude revolution to display signal, of the required quantify precision in inserting and spectrum analysis.
文中利用电成像测井资料，采用ELAN程序、孔隙频谱分析程序对海拉尔盆地布达特地层的次生孔隙率进行分析研究。
Using electro-imaging data, the paper uses ELAN program and program of pore spectrum analysis to analyze and study secondary porosity of Budat formulation in Hailar basin.
在保证频谱分辨率不变的情况下，通过减少参与FFT运算的点数来缩短运算时间，提高激光波长测量装置的反应速度。
Under the condition of unchanging the spectrum resolution, the latency of the laser wavelength measurement system is improved by reducing the samples of FFT operation.
与其它谱分析方法(如傅立叶谱和周期图法)比较，最大熵谱分析方法具有不受取样长度限制、对频谱分辨率较高等优点。
Compared with other spectra analysis, such as Fourier entropy and periodic picture, this method has many advantages such as no limit to sampling length and higher resolution to the spectra.
频谱均衡滤波器对高频进行绝对补偿，且具有较高的高频提升速率，可以明显提高地震勘探的分辨率。
Spectrum equilibrium filter can compensate high frequency absolutely and has high compensation rate, it can improve the resolution of seismic prospecting to a great extent.
提出了基于倒易晶胞理论的自适应倒易晶胞用于调整错位频谱的方法，进一步提高了遥感器的有效分辨率。
On the basis of reciprocal cell, adapted reciprocal cell was used to correct the vicarious spectrum and improve the effective resolution still further.
利用频谱解混叠方法和空间域迭代重建方法对低分辨率图像帧数大于等于4帧时的重建效果进行了研究。
The result of reconstructing a HR image is studied when the quantity of LR images is more than or equal 4 by using the spectral de-aliasing algorithm and the spatial iterative algorithm separately.
它可提供高资料传输率和高频谱效益。
For it can support higher rate data transmission and higher spectral efficiency.
方法：用数学方法求解对应于低分辨率遥感图像的统一频谱混叠。
Methods: the mathematic method is used to find a uniform expression for frequency aliasing matrix of different resolution images.
可控震源具有分辨率高、频率范围选择自由、能量频谱有一定可控性等优点。
The excellence of portable high-frequency vibroseis (PHV) mainly lies in high-resolution and free choice of sweep frequencies.
结果通过血流多普勒信号的小波尺度图研究科室，发现利用小波尺度图可以眼科提高血流多普勒信号低频段的频谱分辨率。
Result Wavelet scalogram of blood flow ultrasonic signal had a higher distinguishability than STFT spectrogram in the low frequency portion, but had poorer decussation terms than spectrogram.
它具有提高连接性能和能量效率、提高网络覆盖率、提高频谱效率、增加网络容量等优点。
It has increased connectivity and energy efficiency, improved network coverage, increased spectral efficiency and increased network capacity and so on.
频谱分析基础上的模型正演是评价地震资料品质特别是分辨率的重要方法。
Based on spectrum analysis, the modeling of geological model and log model is an effective approach to evaluate the quality of existed seismic data.
但作用距离的分辨率却与发射脉宽成反比，脉冲宽度越窄，则频谱越宽，测距越精确。
But the resolving power of radar is in inverse proportion to the pulse-width. The pulse is the narrower in width , then the wider frequency spectrum is, it is the more accurate to find range.
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.
基于噪声（正交）子空间的频谱估计方法则具有很高的谱分辨率。
Methods based on signal-subspace, such as linear prediction, ME, etc possess better statistical stability;
基于噪声（正交）子空间的频谱估计方法则具有很高的谱分辨率。
Methods based on signal-subspace, such as linear prediction, ME, etc possess better statistical stability;
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