排序方式: 共有157条查询结果,搜索用时 0 毫秒
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本文论述了FPGA在DSP应用上的优缺点,比较了FPGA芯片和DSP芯片之间的差别,介绍了解决隔阂的方案-XtremeDSP轮件包和平台级的Virtex Ⅱ芯片,最后,对Xtreme和Vitrex Ⅱ芯片的特点进行了详细说明。 相似文献
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在导航系统中,惯性测量组件(IMU)的精度和速度严重影响到导航计算机的性能.为了提高IMU系统的精度和速度,提出了在硬件方面采用高速AD转换器和DSP,同时在程序中采用了基于LD分解的Kalman滤波技术,并采用线性汇编语言对滤波程序进行了优化.系统的可靠性和速度得到很大的提高. 相似文献
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主要分析了TMS320F206的性能特点,从硬件设计和软件设计上,阐述了用TMS320F206代替TMS320C25的可行性,以及代替TMS320C25能在成本上大为改观的设计构想。 相似文献
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直扩系统的抗干扰能力由其处理增益决定,当其处理增益不足以对抗强干扰时,则需寻找其他干扰抑制来提高系统性能。本文研究了一种直扩信号的干扰抑制算法,对其工作原理进行了分析,给出了干扰复制和门限算法,并讨论了其中的非线性运算的DSP实现问题。 相似文献
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刘旭东 《吉林省经济管理干部学院学报》2010,24(1):67-70
毫米波地面通信系统是典型的视距通信。目前我国使用的时统设备存在结构庞大、使用不够简便等缺点。GPS时统系统具有体积小、精度高、掉电不丢失数据等特点。利用GPS所提供的秒脉冲前沿为时间基准,通过DS3231把时间进一步细到微秒数量级,保证了跳频通信的可靠性和准确性。 相似文献
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Sergio L. Toral Marìn Rocìo Martìneztorres Federico J. Barrero Garcìa Sergio Gallardo Vázquez Enrique Vargas Vicente González Ayala 《International Journal of Technology and Design Education》2006,16(3):237-252
Nowadays the European Universities are worried about how to adapt higher education to the new European Higher Education Area,
as proposed in the Bologna Magna Charta Universitatum of 1998, and signed by 32 European Education Ministers. One of the key
points in this higher education reform was the introduction of new Master’s level curricula. These Masters will look for the
professional specialization and they will have to be adapted to the specific skills demanded by the society. This paper presents
the results from a cooperation project – funded by the AECI (International Cooperation Spanish Agency) and developed between
the University of Seville (Spain) and the Catholic University of Asuncion (Paraguay) – by about the planning of a new master’s
level curriculum in digital signal processing (DSP) area, taking into account the Bologna principles and the conclusions obtained
by the Career Space Consortium. A scientific method from social science, known as concept mapping techniques, was used to
perform this planning. Basically, the idea of concept mapping consists of compiling the opinion from actors belonging to different
environments (lecturers, researchers, workers, businessmen, etc.) related to DSP applications. The compiled data were statistically
computed to cluster the opinions of the different agents. The result will be a master’s level curricula adapted to the environment
requirements and the social settings. 相似文献
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计基于TI公司的高性能数字信号处理芯片TMS320F2808,结合国内外文献中复合频率信号的检测方法,提出了一种频谱Sa函数比例查表法,通过两次采样以及相应的采样频率再修改,结合IQmath技术进行高速2048点FFT运算,实现了在频率谱中对不同幅值的两个叠加正弦信号的频率、幅度信息的快速、高分辨率计算。 相似文献