| 1. | Modern digital signal processing technique is applied in fiber grating sensing and the scheme of signal processing of wavelength demodulation is optimized 本论文主要把现代数字信号处理方法与光纤光栅传感技术相结合,对波长解调系统的信号处理方案进行了优化。 |
| 2. | Digital signal processing ( dsp ) is the core of fault diagnosis technology , especially , which has been brought into a completely new spring with the development of modern dsp 数字信号处理技术始终是进行故障诊断的核心,特别是现代数字信号处理技术的出现和发展,使故障诊断步入了新的春天。 |
| 3. | Digital signal processing systems of vortex flowmeters are developed by the modern digital signal processing technique in order to improve the measurement precision and enhance functions of meters 应用现代数字信号处理技术去研制涡街流量计数字信号处理系统,可以提高涡街流量计的测量精度,增强仪表的功能。 |
| 4. | The parallel processing technology has the potential that it can greatly raise the processing rate and solve the large - scale problem , so it has been an emphasis in the developing of modern digital signal processing 在现代数字信号处理技术中,并行处理由于蕴含着提高处理速度和解决大规模问题的巨大潜力,已经成为这一领域的一个发展重点。 |
| 5. | The high - speed development of the computer technology has provided an effective way to process rapidly and largely information using modern digital signal processing technology , of which data acquisition technology acts as a key role 计算机技术的高速发展为人们利用现代数字信号处理技术高速大量地处理信息提供了有效手段,而数据采集技术在其中起关键性的作用。 |
| 6. | Because the parallel processing remains the latent capacity of raising the processing rate and solving the mass problem , parallel signal processing became an important characteristic of the modern digital signal processing 由于并行处理蕴含着提高处理速度和解决大规模问题的巨大潜力,展现出由多处理机组成更大的计算系统的广阔前景,并行信号处理已成为现代数字信号处理的一个重要特点。 |
| 7. | Because the parallcl processing remains the latent capacity of raising the processing rate and solving the mass problem , parallel signal processing became an important characteristic of the modern digital signal processing 由于并行处理蕴含着提高处理速度和解决大规模问题的巨大潜力,展现出由多处理机组成更大的计算系统的广阔前景,并行信号处理已成为现代数字信号处理的一个重要特点。 |
| 8. | On the basis of previous work , we developed a new data processing system by use of dsp & oop . the new system overcame the problems existed in the old data processing system successfully , such as the bug which cause program dead loop when the data is too long , and the frequency leak due to principle limit of fft filter . in addition , we eliminated the measurement error brought on by phase warp 我们在前人的工作基础上,利用现代数字信号处理技术和面向对象的软件开发技术,统一了弹上黑匣子数据处理系统的操作平台,完善了转速、扫描角测试数据处理系统,修正了原有处理程序中的因数据长度过长而导致程序死锁的bug ;利用有限冲击响应( fir )滤波器,在滤去噪声的同时,有效地解决了矩形窗fft滤波的频谱泄漏问题;另外还解决了因相位偏差而导致的测试误差。 |
| 9. | This paper researches the integrating application of adaptive antenna array technology , spread - spectrum communication technology and transform - domain filter technology in shortwave communication area , basing on the background of improving on the shortwave communication equipments being used in chinese army , and all the key techniques mentioned above are implemented in a single fpga chip 本文以改造我军现役短波通信设备为背景,研究了自适应天线阵技术、扩频通信技术、变换域滤波技术等多种现代数字信号处理技术在短波通信中的综合应用,并以单片超大规模fpga芯片为硬件处理平台,对系统中的关键技术进行了设计与实现。 |
| 10. | It ' s of great significance how to adaptively describe a signal in time - frequency domain . in this thesis , the theory of time - frequency analysis , especially adaptive time - frequency analysis is considered . two new methods of adaptive time - frequency analysis are proposed based on adaptive signal expansion and adaptive filtering 非平稳信号分析是现代数字信号处理的重要分支之一,而基于二维时频空间的时频分析方法是研究该类信号的有效工具,其中,如何对信号特征进行自适应跟踪描述是一个难点,同时也是一项具有积极学术意义和明确应用价值的探索性课题。 |