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baseband shaping
相关语句
  基带成形
     A Baseband Shaping Filter Implemention of 16QAM with FPGA
     16QAM基带成形滤波器的FPGA实现
短句来源
     A Baseband Shaping Filter Implemented with FPGA
     基带成形滤波器的FPGA实现
短句来源
     In the development of WCDMA mobile communication systems, this method is proposed to implement 64-order baseband shaping filter.
     这种结构在第三代移动通信系统的开发过程中被用于实现WCDMA中的64阶基带成形滤波器。
短句来源
     Square-root raised cosine roll-off digital filter was widely applied to baseband shaping filter and match filter in modern digital communication.
     现代数字通信中广泛采用平方根升余弦滚降数字滤波器作为基带成形滤波器和匹配滤波器。
短句来源
     According to the signal processing characteristics of the digitized baseband shaping, the 2-dimension decomposition for the truncated baseband sequence is made, and the poly-phase structure for the shaping filter is derived.
     针对数字化基带成形滤波的信号处理特点 ,将截短的基带波形进行二维分解 ,得到成形滤波器的多相结构。
短句来源
更多       
  基带滤波
     The calculation of baseband shaping and QPSK (Quadrature Phase Shift Keying) modulation in DVB-S channel encoding is implemented by the software. After the serial data of "1" and "0" inputted. the high-frequency modulation signal waveform data file will be generated The arbitrary waveform generator-LW420 will produce the 70 MHz carrier transmission signal in accord with the European telecommunication standard (ETS 300 421).
     用软件实现了卫星数字电视信号信道编码中基带滤波和QPSK调制的计算.输入“1”、“0”串行数据,生成高频调制信号波形文件.由任意信号发生器 LW420产生符合欧洲远程通信标准(ETS300 421)的70MHz载波传输信号.该软件还可以用来生成16QAM、32QAM、64QAM、128QAM的波形数据文件.
短句来源
     Software implementation for baseband shaping and QAM(Quadrature Amplifier Modulation), which are parts of channel encoding in DVB, is described. Importing the wave date file, created from the inputed serial data stream by the software. Arbitrary Waveform Generator-LW420 will output QAM waveform which are accord with European Telecommunication Standard(ETS).
     用软件实现数字视频信号信道编码中基带滤波和正交幅度调制的计算,将输入的二进制数据串转换成调制信号的波形数据文件,使任意信号发生器(LW420)产生符合信道编码标准的各种QAM调制信号。
短句来源
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According to standard function of square foot raised cosine filter for baseband shaping,the correspondent time domain function is given in this paper. The performances about energy spectrum,codes interference,and SNR are analyzed. The results can be used for the generation of corresponding signal source.

根据基带波成形平方根升余弦滤波器的标准函数,给出了相应的时域函数,并对其能量频谱、码间干扰、信噪比等特性进行分析,此结果可用于相关信号源的产生。

The calculation of baseband shaping and QPSK (Quadrature Phase Shift Keying) modulation in DVB-S channel encoding is implemented by the software. After the serial data of "1" and "0" inputted. the high-frequency modulation signal waveform data file will be generated The arbitrary waveform generator-LW420 will produce the 70 MHz carrier transmission signal in accord with the European telecommunication standard (ETS 300 421). Moreover, this software can also be used to generate the waveform data files of...

The calculation of baseband shaping and QPSK (Quadrature Phase Shift Keying) modulation in DVB-S channel encoding is implemented by the software. After the serial data of "1" and "0" inputted. the high-frequency modulation signal waveform data file will be generated The arbitrary waveform generator-LW420 will produce the 70 MHz carrier transmission signal in accord with the European telecommunication standard (ETS 300 421). Moreover, this software can also be used to generate the waveform data files of l6QAX 32QW 64QAM and l28QAM

用软件实现了卫星数字电视信号信道编码中基带滤波和QPSK调制的计算.输入“1”、“0”串行数据,生成高频调制信号波形文件.由任意信号发生器 LW420产生符合欧洲远程通信标准(ETS300 421)的70MHz载波传输信号.该软件还可以用来生成16QAM、32QAM、64QAM、128QAM的波形数据文件.

According to the signal processing characteristics of the digitized baseband shaping, the 2-dimension decomposition for the truncated baseband sequence is made, and the poly-phase structure for the shaping filter is derived. By analyzing the poly-phase structure, a simple and feasible structure implemented with FPGA is proposed, which is based on the look-up table of the filter's coefficients. The structure has the advantages of simplicity in implementation and saving resource in hardware....

According to the signal processing characteristics of the digitized baseband shaping, the 2-dimension decomposition for the truncated baseband sequence is made, and the poly-phase structure for the shaping filter is derived. By analyzing the poly-phase structure, a simple and feasible structure implemented with FPGA is proposed, which is based on the look-up table of the filter's coefficients. The structure has the advantages of simplicity in implementation and saving resource in hardware. The computer simulation results show that the implementation method can meet the practical need.

针对数字化基带成形滤波的信号处理特点 ,将截短的基带波形进行二维分解 ,得到成形滤波器的多相结构。通过对多相结构的分析 ,给出了一种较为精简实用的基于滤波器系数查询表模式的FPGA实现结构 ,该结构具有实现简单、占用资源少等特点。仿真结果表明 ,该结构完全可以达到实际应用的要求

 
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