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[Other resource] 234

Description: 在接收信号的数字化、软化的实现中,数字下变频起着重要的作用。本文首先介绍了数字下 变频的组成结构,然后详细分析了数字下变频的工作原理,描述了在实现数字下变频时,设计方案所 采用的高效滤波器———CIC 滤波器和多相抽取滤波器的结构和原理。最后,用通过Simulink 对数字 下变频的性能进行了仿真。在仿真的基础上使用Insight 公司的FPGA 开发系统,用测试电路实测了 数字下变频的性
Platform: | Size: 333819 | Author: 赵平 | Hits:

[Software Engineering] 234

Description: 在接收信号的数字化、软化的实现中,数字下变频起着重要的作用。本文首先介绍了数字下 变频的组成结构,然后详细分析了数字下变频的工作原理,描述了在实现数字下变频时,设计方案所 采用的高效滤波器———CIC 滤波器和多相抽取滤波器的结构和原理。最后,用通过Simulink 对数字 下变频的性能进行了仿真。在仿真的基础上使用Insight 公司的FPGA 开发系统,用测试电路实测了 数字下变频的性-In the receiving digital signal, softening the realization, the digital down-conversion plays an important role. This article first introduced the digital down conversion of the composition, and then a detailed analysis of digital down conversion of the working principle described in the realization of digital down conversion, the design used in high-performance filters--- CIC filters and multi-phase extraction filter structure and principle. Finally, with the adoption of Simulink for digital down-conversion performance of the simulation. In the simulation based on the use of Insight s FPGA development system is measured using the test circuit of the digital down-conversion of
Platform: | Size: 333824 | Author: 赵平 | Hits:

[matlab] cic5

Description: 五接CIC滤波器的simulink仿真，希望对大家有所帮助-Then the five CIC filter simulink simulation, I hope all of you to help
Platform: | Size: 7168 | Author: shirley | Hits:

[VHDL-FPGA-Verilog] CIC_DEC_4

Description: CIC抽取滤波器设计，CIC滤波器采用5阶4倍抽取。-CIC decimation filter design, CIC filter order 4 times using 5 samples.
Platform: | Size: 1024 | Author: 42200306 | Hits:

[VHDL-FPGA-Verilog] cic

Description: 在MATLAB2007A/SIMULINK环境下用DSP BUILDER8.0实现了五级CIC，解决了溢出问题。生成了可用的VHDL文件。- DSP BUILDER8.0 A 5 stages CIC filer is realized in MATLAB2007A/SIMULINK by using DSP Builder 8.0.The overflow problem is resulved.Useful VHDL files are generated at last.
Platform: | Size: 1543168 | Author: hcq | Hits:

[Speech/Voice recognition/combine] digital_sigma_delta_modulator

Description: simulink模拟的二阶sigma delta调制器 可以提高传输速率 中间用到了半带滤波器和FIR滤波器CIC滤波器 进行过采样-Simulink simulation of second order sigma delta modulator can improve the transmission rate use among the half took filter and FIR filter CIC filter sample
Platform: | Size: 68608 | Author: 李小白 | Hits:

[matlab] c13

Description: CIC滤波器的插值运算，并可以实现数字下变频的整个算法的研究，与仿真-design and simulink
Platform: | Size: 3072 | Author: huang xuejiao | Hits:

[matlab] dec2hexWithSign

Description: 有符号的十进制数转十六进制数，以及CIC的simulink模型-dec to hex transfer
Platform: | Size: 10240 | Author: 李刚 | Hits:

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