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.
将频谱重心校正方法应用于涡街流量计数字信号处理系统,实验结果表明该方法提高了流量计的测量精度。
The spectrum center correcting is applied to the digital signal processing system for vortex flowmeter, and the results show the measuring precision of flowmeter is improved by this method.
数字信号处理中标准的频谱分析方法是离散傅立叶变换(DFT),典型的实现方法是快速傅立叶变换(FFT)。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
信号处理模块分析噪声并记录频谱特性和时域统计特性。
The radiated noise can be analyzed and its spectrum can be recorded by signal processing cell.
实现对离散信号数字处理的卷积滤波关键是设计期望的滤波器频谱。
The key of realizing convolution filter, which processes discrete signals, is to design expectant frequency transformation of filters.
选带频谱细化分析方法是数字信号处理中的一种重要分析方法。
The analytical method of high-resolution selected-band spectra is an imported one in digital signal processing.
在数字信号处理及无损检测的理论基础上,分析了焊接过程对电流信号频谱的影响。
On the basis of digital signal process and nondestructive testing, the effect of welding process on the frequency spectrum of the current signal in AC spot welding is analyzed.
与频谱分析法相比,它不需要进行乘法运算,因而处理速度快,分析结果与信号能量无关。
Unlike spectrum analysis, without multiplication, the processing is made at high speed, its results have no connection with power of the signal.
随着微电子技术的飞速发展,基于数字信号处理的频谱分析已经应用到各个领域并且发挥着重要作用。
With the development of micro-electronics technology, the analysis of frequency spectrum based on digital signal processing has applied to every fields and taken an important role.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题,提出了基于软件无线电平台的处理方法。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
对解调处理后的信号做频谱分析,诊断数控机床的故障。
Analyze the signals which were demodulated and diagnose the malfunction of the CNC.
信号信息处理的新技术压缩感知,提供了认知无线电中宽带频谱检测的新方案。
Compressed sensing is a novel technology in signal information processing. It offers a new wide-band spectrum detection scheme in cognitive radio.
这种算法使用了能处理说话人交叉变量的语音信号频谱变化的模型。
This method uses a modeling of the spectral evolution of speech signals, which is capable of processing some aspects of inter-speaker variability.
在光通信以及各类实时信号处理,如相关、卷积、频谱分析、矩阵光计算等领域具有广泛的应用前景。
The devices will be widely used in optic communication and real time signal processing, such as correlation, convolution, spectrum analysis and optic vector calculation.
通过对LGA风机噪声的实测,将采集的信号进行数据处理,频谱分析。
The noise and vibrational signals collected will be data-processed and the frequency spectrum will be analyzed through the actual measurement of the noise from LGA fan.
对线性调频信号的旁瓣抑制介绍了经典海明窗加权处理方法、频谱修正以及相位预矫正几种方法。
For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.
其中涉及到信号预处理、数据采集、同步触发、测频、自动控制、数据显示和处理、频谱分析等诸多方面的理论。
DSO covers the theories of signal pretreatment, data collection, frequency detection, automatic control, analysis of frequency spectrum and data processing.
传统语音信号谱特征的提取是基于FFT 的能谱分析方法,在噪音环境情况下,对噪音的频谱成分与语音信号的频谱成分的处理采用“平均主义”的原则。
Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.
针对呼吸、心动信号频谱有重叠的特征,采用自适应lms算法对信号进行相关噪声抵消处理,从而获取较为理想的心动信号。
According to the overlap of the respiration and heartbeat frequency spectra, an adaptive LMS algorithm has been adopted to reduce the correlative noise and to form a more ideal heartbeat waveform.
实验结果表明此处理器高速地实现了频谱分析功能,满足实时信号处理要求。
Result of the experiment proves that the processor implements the function of spectrum analysis at a high speed and satisfies the request of commonly real-time signal processing.
原有声纳系统接收处理后的声音信号经过综合频谱转换后,形成数字化的动态频率-幅度分布曲线。
The sound signal received and processed by the original sonar system is converted by comprehensive frequency spectrum and forms a digitized dynamic frequency-amplitude distribution curve.
对角线信号处理法是本文所述方法的一个重要的特例,故对对角线采样数据的频谱进行了研究。本文建议的并行算法可以分别用向量处理器和专用硬件来实现;
The method of diagonal processing is an important special case of the proposed method and the properties of the frequency spectrum of diagonal-sampled data are examined.
最后对核磁共振信号的实时采集及信号的处理和频谱分析做了详细的说明和重要的推导并得出了频谱分析的结果。
Finally, the paper makes a specific description on the acquisition and processing of the real-time magnetic resonance signal as well as spectrum analysis.
信号经过角度调制后,频谱结构将发生变化,频谱分析是处理信号的重要步骤和必要的保证。
The signal, after the Angle modulation, would change in its spectral structure. And the analysis on its frequency spectrum is an important and necessary step for signal processing.
数字部分为数字信号处理器DS P结合adc实现信号的频谱搬移,达到调制解调功能。
The digital part is responsible for combining digital signal processor DSP with ADC to realize frequency spectrum remove, which is to realize the function of modulation and demodulation.
振动信号分析处理部分可以对信号进行预处理及相关分析、频谱分析和非线性信号的混沌分析等。
The signal analyzing part can complete the following work such as preprocessing, correlation analysis, frequency spectrum analysis and chaos analysis for nonlinear vibration signals.
运用多维数字信号处理理论,分析了PAL信号亮度和色度频谱的二维交错结构。
Applying the theory of multi dimensional digital signal processing, this paper analyses the 2-dimensional interleaving structure of luminance and chrominance spectrum for the PAL signal.
频谱分析模块主要是对上述信号进行滤波和加窗函数处理,输出处理后的波形,同时进行时域分析、频域分析以及谐波分析。
The function of spectrum analysis is to filter the signals and to add the window function on it, then to output the processed signals. It also analyzes time…
指出了圆周扫描搜索雷达信号时域上的截获方法及其频域上的频谱特征,同时还指出了对高速运动目标雷达信号的采集-处理过程,以判断其载体的运动动机和威胁程度。
It also points out the acquisition methods of radar signals in time domain of circular scan and the spectrum properties, and introduces the collecting-processing procedure for radar signals of mo…
研究了磁阻效应的扭矩信号处理方法,分析了信号相位差的相关分析法和频谱分析法,并进行了仿真计算与误差分析。
The real-time shaft power is being monitored by calculating the torsional Angle and shaft speed on line. 2 the torsion signal processing method is researched on.
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