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Description: 对2DPSK及QDPSK数字调制信号进行了分析,采用FPGA在QuartusII环境下,利用VHDL语言及图形输入方式对调制系统进行了设计,用Altera公司的芯片EP1C3T144C-8为核心器件组建的系统进行了功能测试,得到了满意的验证波形-The signals of 2DPSK and QDPSK digital modulation are analyzed,the adoption of FPGA realization digital phase modulation system is introduced in detail by QuartusII environment,using VHDL language and graph input way.A system using chip EP1C3T144C-8 as a key device is established for function test,which produces satisfactory waveform.
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Size: 356352 |
Author: 将建 |
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Description: vhdl,Digital phase modulation is also known as phase shift keying, 2DPSK is binary differential phase shift keying, is a kind of digital phase modulation. Digital phase modulation using carrier phase change to transmit digital signal, usually can be divided into it absolute phase shift ( BPSK ) and the relative phase shift ( DPSK ). Relative phase shift is the use of digital information and the adjacent symbols to determine relative carrier phase difference carrier phase. This paper mainly introduces the 2DPSK modulation and demodulation process and the use of phase selection method to achieve the process. And the principle of the key analysis, including modulation and demodulation principle, as well as in the modulation and the demodulation process utilizing principle to achieve absolute code and relative code generation.-Digital phase modulation is also known as phase shift keying, 2DPSK is binary differential phase shift keying, is a kind of digital phase modulation. Digital phase modulation using carrier phase change to transmit digital signal, usually can be divided into it absolute phase shift ( BPSK ) and the relative phase shift ( DPSK ). Relative phase shift is the use of digital information and the adjacent symbols to determine relative carrier phase difference carrier phase. This paper mainly introduces the 2DPSK modulation and demodulation process and the use of phase selection method to achieve the process. And the principle of the key analysis, including modulation and demodulation principle, as well as in the modulation and the demodulation process utilizing principle to achieve absolute code and relative code generation.
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Size: 1910784 |
Author: 乐逍遥 |
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Description: 使用VHDL编程语言编写的有关DPSK调制解调器的源代码，欢迎使用，-Using VHDL programming language source code related DPSK modem, welcome, thank you! !
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Size: 4096 |
Author: 下载联系楼主 |
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