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st16c554d.rar
- s3c2410下st16c554应用的源程序（利用总线进行4串口扩展）,S3C2410 application under st16c554 source (using 4 serial port expansion bus)
mydesign.rar
- 基于FPGA的直接序列扩频发射机的设计与仿真。实验中以QuartusII 7.2 为设计和仿真工具， 各模块采用Verilog HDL设计并封装，顶层使用图形设计方式,最后得到的仿真结果使用Matlab描点来绘制出波形。 ,FPGA-based direct sequence spread spectrum transmitter of the design and simulation. Experiment to QuartusII 7.2 for the design and simu
DDS_scan_frequency
- 用MSP430实现的DDS扫频程序,区别于一般的dds产生程序-This process is used to product the dds signals.
MTK6228
- MTK6228手机完整的原理图和PCB,做手机的朋友可以参考一下,非常好(包括蓝牙FM电路)PCB用PADS2007可以打开-MTK6228 phone a complete schematic and PCB, make phone a friend for reference, very good (including Bluetooth FM circuits) PCB can be opened with the PADS2007
SpreadShaping
- 直接序列扩频+成型滤波，将编码后数据进行256倍扩频，再按照4倍内插根升余弦成型滤波，最后成形滤波后按4路并行输出，以满足并行输入DA的要求。-Direct Sequence Spread Spectrum+ shaping filter, the encoded data 256 times more spread spectrum, and then interpolated according to four times the root raised cosine shaping fil
MatchFilter
- VHDL语言实现8路并行输入，8路并行输出，直接序列扩频接收机的高速匹配滤波。 -VHDL language to achieve 8-channel parallel input, 8-channel parallel output, high-speed direct-sequence spread spectrum matched filter receiver.