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DDS_LPC2132_9851
- LPC2132 控制DDS的源程序,用于调频,调相-LPC2132 control the DDS source code, for FM, phase modulation
radar1
- 介绍了利用Altera公司的FPGA 器件 (cyclone) 产生线性调频信号的DDS工作原理、设计方案、电路结构。并详细讨论了利用FPGA 器件实现DDS技术时, 采取的一些改进优化措施-Introduced the use of Altera' s FPGA device (cyclone) generate a linear FM signal DDS working principle, design, circuit configuration. And discussed i
xxtpxh
- 线性调频信号运用dds中改变k来实现信号调频的策略-Linear FM signal to change the use of k dds FM' s strategy to achieve signal
ep1c12_29_dds
- 基于周立功SOPC实验开发平台,利用VHDL语言,实现DDS调频-Zhou, who based SOPC experimental development platform, using VHDL language, to achieve DDS FM
Code
- 设计一个正弦信号发生器,使用凌阳公司的16位单片机SPCE061A作为中央控制器,结合DDS芯片AD9850,产生0~15MHz频率可调的正弦信号,正弦信号频率设定值可断电保存;使用宽频放大技术,在50Ω负载电阻上使1K~10MHz范围内的正弦信号输出电压幅度VP-P=6V±1V;产生载波频率可设定的FM和AM信号;调制信号为1KHz的正弦波,调制信号的产生采用DDS技术,由CPLD和Flash ROM加上DAC进行直接数字合成;二进制基带序列码由CPLD产生,在100KHz固定载波频率下进行数
BPSK
- 在quartus ii下完成的用VHDL语言编写的数字式调频BPSK的调制,其中DDS和成型滤波使用ip核完成-Accomplished in quartus ii the use of VHDL language digital FM BPSK modulation, which use the ip filter DDS and forming complete nuclear
zhongji
- 基于vhdl的dds信号发生器程序,具有一致十k调频功能,输出32k及64k正弦波-Based on the dds signal generator vhdl program has a consistent ten k FM function, 32k and 64k sine wave output
DDS_total
- 此内容可用于驱动dds芯片ad9850,并且可以驱动1.8 tft屏幕(欣世纪电子买430配送的屏幕),包含430内置的ad采样的功能,还有利用timerA计数器定时改变dds的频率,实现调频功能。-This content can be used to drive dds chip ad9850, and you can drive 1.8 ' tft screen (Hin-century electronic delivery buy 430 screens), including
AD9854_te
- 文件有dds模块核心AD9854芯片的程序,包含一个任意波形(ASK,FSK,PSK,AM,FM)发生的源码程序。-Dds file with the core module chip AD9854 driver and testing procedures, but also contains an arbitrary waveform of the source program.
SR_DDS
- DDS信号源设计,有正弦波,方波,三角波,AM波,FM波,还有PSK,FSK,16QAM等多种信号产生。-DDS signal source design, there are sine, square wave, triangle wave, AM wave, FM wave, as well as PSK, FSK, 16QAM and other signal generation.
program
- AD9834DDS,TI公司的DDS芯片,实现正弦波,方波可调频输出-AD9834DDS, TI' s DDS chip, realize sine wave, square wave output of FM