It is believed that these equations and principles could be also used for the calculations of any other peak parameters and digital spectrum analyses.
提出的原理及公式，不仅适合半高宽的误差计算，也适合于其他衍射参数的分析计算，并可用于数字化光谱分析计算中。
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。
While not entirely relevant, this diversion indicates that a fixed amount of spectrum doesn't mean a constant amount of digital bandwidth.
虽然并非完全相关，但这种缓兵之计表明一定宽度的频谱并不意味着等量的数字带宽。
As a consequence, television broadcasters now need little more than half the spectrum they hogged before switching to digital transmission.
这样做的后果就是电视转播机构现在只需要转变成数字方式发射前使用的频谱的一半多一点。
As a consequence, television broadcasters now need little more than half the spectrum they hogged before switching to digital.
结果，电视广播公司现在仅需数字转换前所攫取频谱的一半。
Many of the TV frequency bands have been vacated by TV's move to digital, so, in a country hungry for wireless resources, it was proposed that this spectrum get redirected to mobile access use.
当电视信号变为数字信号后，许多电视的频率带宽都被闲置下来。因此，在一个渴望无线资源的国家，这些频带被引向移动接入应用可谓众望所归。
Also, a large frequency spectrum (698-806 MHz) was freed by switching over from analog TV to the digital one.
此外，从模拟电视信号到数字电视信号的切换也释放了广阔的频道(698- 806mhz)。
The switch to all-digital TV has released chunks of broadcasting spectrum for other uses.
全数码电视时代的到来为电视广播在其他方面的应用敞开大门。
Our digital data link USES the frequency spectrum allocated to small UAS much more efficiently than the analog link it replaces.
我们的数字数据链采用频谱分配给小型无人机的效率远远高于模拟系统。
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。
Digital filter is the basic arithmetic of language, picture processing, model recognition and spectrum analysis.
数字滤波器是语言、图象处理、模式识别以及谱分析中的基本运算的处理运算。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.
扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。
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。
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 author also makes some Suggestions for frequency selection of digital carrier and parameters selection of spectrum shaping filter.
对数字载波的频率及频谱成形滤波器的特性参数的选择提出了建议。
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）。
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。
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。
However, the digital random vibration control systems currently based on power spectrum fitting can only generate random vibration exciting signals with Gaussian probability distribution.
然而，目前基于功率谱均衡的数字式随机振动控制系统只能产生高斯分布的随机振动激励信号。
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。
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。
An adaptive method applying eigenvalue decomposition-based spectrum analysis technique to narrow-band digital communication interference suppression in radar is proposed and studied.
基于特征分解谱分析技术，提出并研究了在雷达中自适应抑制窄带数字通信信号干扰的方法。
At first, this paper described the basic structure, working principle, sources of spurious signals and characteristics of output spectrum, of direct digital frequency synthesizer (DDS).
首先分析直接数字频率合成器(DDS)的基本结构、工作原理、杂散来源、输出频谱特性。
Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector, new spectrum analysis methods and new spectrometer system design techniques.
从数字化谱仪、碲锌镉探测器应用、能谱分析新方法和谱仪系统设计新技术等方面综述了近年来国内外谱仪技术的研究及进展。
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。
Giving concrete digital-modulated form, the mean power spectrum density of the signals discussed can be obtained in this way. The calculation can be done on computers.
给定具体的数字调角形式，用这种方法可在计算机上计算所给信号的平均功率谱密度。
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。
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。
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