调制解调芯片的英文

• modem chip

• "调制"英文翻译    mingle; toss; lard; modulate ...
• "解调"英文翻译    demodulation; countermodulat ...
• "芯片"英文翻译    slug; chip; die; wafer
• "调制解调器芯片" 英文翻译 :    modem chip
• "调制解调" 英文翻译 :    modulation demodulation; modulation-demodulation
• "调制解调级" 英文翻译 :    modem stage
• "调制解调卡" 英文翻译 :    modem card
• "调制解调器" 英文翻译 :    mdm; modato and demodato; modem card; modem controller; modem modulator and demodulator; modem modulator demodulator; modem modulator-demodulator; modem=moulator-demodulator; modems; modulating and demodulating unit; moem; wrap capability
• "调制解调部分" 英文翻译 :    modem section
• "调制解调单元" 英文翻译 :    mdu modem unit
• "调制解调方法" 英文翻译 :    modulation-demo-demodulation method; modulation-demodulation method
• "调制解调方式" 英文翻译 :    modulation demodulation system
• "调制解调器群" 英文翻译 :    modem pool
• "调制解调线性" 英文翻译 :    modulation demodulation linearity
• "多调制解调器" 英文翻译 :    usb ras
• "光调制解调器" 英文翻译 :    optical modem
• "零调制解调器" 英文翻译 :    null modem
• "猫；调制解调器" 英文翻译 :    modem
• "软调制解调器" 英文翻译 :    soft modem
• "声调制解调器" 英文翻译 :    acoustic modem
• "微调制解调器" 英文翻译 :    micromodem
• "主调制解调器" 英文翻译 :    primary modem
• "【电信】传真调制解调器。" 英文翻译 :    fax modem
• "【电信】光缆调制解调器。" 英文翻译 :    cable modem
• "板载调制解调器" 英文翻译 :    obm: on-board modem

• All these make the initial configuration of modulator and demodulator match the system optimally
  这些技术措施使得调制解调芯片的初始配置与系统匹配且达到最佳。
• We fully customized him to the meet the specific requirement of its application . moreover , we also emphasize its cost effectiveness by carefully selecting center processing unit and hart modems . this leads to further reduction of the him system cost while system usability guaranteed
  由于本项目为用户着身定制，并且因为用户需求的针对性和对价格的要求，我们在选取微处理芯片和hart调制解调芯片的时候充分考虑价格，因此设计的专用hart信号采集报警him比通用的him降低了成本。
• This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology . the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview , the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation , which satisfies the index of performance of dsss . 3 ) the low voltage plc system includes the sc1128 , the specific modulation / demodulation ic , the bpf filter and other circuit components , furthermore , the control function of system is realized by means of the personal computer and the microcontroller
  本课题在对低压电力线的传输特性和数字调制技术进行分析的基础上，将通信理论中的直接序列扩频技术( dsss )用于解决低压电力线通信的干扰问题，主要研究内容如下： ( 1 )用通信仿真软件systemview对dsss技术的通信和抗干扰原理进行仿真分析，分别对时域和频域下采用dsss技术前后接收信号的频谱进行分析，验证dsss技术在本系统中的可行性； ( 2 )由dsss技术对滤波系统的要求，根据滤波理论分析了巴特沃思型滤波器的逼近原理并设计了合适的滤波电路； ( 3 )用调制解调芯片sc1128和自行设计的滤波器加之辅助外围电路，构造出低压电力线载波通信系统，并采用atmel公司的单片机设计了接收和发射电路的微控制器； ( 4 )分别对采取抗干扰措施前后输入和输出信号进行对比实验，并对结果进行分析，验证了dsss技术对干扰信号的抑制作用。