The weighted method is an important method of enhancing resolution in digital signal spectrum analyses.
在数字信号谱分析中，加权处理是提高谱分辨率的重要方法。
Resolution of spectrum is the common problem occurring in teaching of digital signal processing and engineering application.
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。
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.
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 standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
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）。
Spatial spectrum estimation technique is a new direction-of-arrival estimation technique based on multielement array and modern digital signal processing theory.
空间谱估计测向是一种以多元天线阵结合现代数字信号处理为基础的新型测向技术。
Spectrum errors will occur when the digital signal is transformed from time to frequency domaim.
对含有噪声的数字信号进行时频变换时，必然引起频谱误差。
The paper uses MATLAB to simulate ASK, FSK, PSK modulation of digital signal and spectrum analysis.
运用MATLAB语言模拟实现了数字信号的ASK、FSK、PSK调制与频谱分析。
In the scheme, a set of feature parameters are extracted from signal spectrum and constellation based on the differences between digital mixed signals and common digital modulation signals.
该方案利用数字混合信号与常用数字调制信号在信号频谱以及星座点的差异提取特征参数进行自动识别。
In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法，并给出了实时算法的设计要点。
An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.
我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。
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.
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。
For bandpass signal under digital quadrature sampling, there is spectrum shifting. Although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.
在数字正交采样中，带通信号存在频谱迁移问题，虽然满足带通信号的采样定理，仍可能产生频谱混叠。
The digital sound of TV of SIRIUS backlash chair adopts as same as the radiobroadcast of SIRIUS spectrum allocation plan like signal.
SIRIUS后座椅电视的数字音像信号采用与SIRIUS的无线电广播雷同的频谱分派方案。
The fundamental principle of direct digital synthesis (DDS) is introduced in this paper. Based on signal analysis, the ideal output spectrum characteristic of DDS is analyzed briefly.
对DDS基本原理进行了简要介绍，利用信号分析的方法对DDS理想输出进行频谱分析。
It has important significance in the design of high purity spectrum agile signal synthesizer and frequency synthesizer in military digital communication equipment.
这对于高纯频率捷变合成信号源和军用数字通信设备中频率合成器的设计具有重要意义。
Digital matched filter system and its realization are discussed. Two problems about digital matched filter realization and digital spectrum of signal are analyzed.
论述了数字匹配滤波系统及其实现，讨论了采用数字方法在频域实现匹配滤波的信号处理系统中，匹配滤波器实现中的两个实际问题。
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.
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。
This article proceeded with tri - nary baseband signal combining with binary ones, and then analyzed multi -nary digital baseband signal's frequency spectrum based on alternating wave and steady wave.
从三进制数字基带信号入手，结合二进制，利用交变波、稳态波分析了任意多进制数字基带信号的频谱特性。
This paper proposes a novel spectrum-compressed digital receiving method using Laguerre transformation for LFM signal.
该文提出了一种新的宽带线性调频(LFM)信号频谱压缩数字接收方法。
Thepurpose of this paper is that taking use of modern digital technical applyat correlative processing in the IF signal of spread-spectrum system.
本课题研究的主要目的就是利用现代数字技术对扩频通信系统中的中频接收信号进行相关处理。
Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.
本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。
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.
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。
The M-sequences signal can simulate the white noise, which has been widely applied in the fields of spread spectrum communication, digital cryptography, digital system test and so on.
序列信号可以模拟白噪声，广泛应用于扩频通信、数字加密、数字系统测试等领域。
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.
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。
This paper introduces an objective way to evaluate the quality of digital voice by means of LPC logarithmic inverted spectrum-envelope offset and artificial composite voice signal;
介绍了一种利用LPC对数倒频谱包络偏离量和人工合成语音信号对数字语音质量进行客观评价的方法；
This paper introduces an objective way to evaluate the quality of digital voice by means of LPC logarithmic inverted spectrum-envelope offset and artificial composite voice signal;
介绍了一种利用LPC对数倒频谱包络偏离量和人工合成语音信号对数字语音质量进行客观评价的方法；
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