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无线发射接收成套原理图和PCB电路图！其中无线发射IC和接收IC是综合考虑了性价比很高的IC！其中超外差接收IC是法国一家公司的内有中文PDF资料，而且此超外差IC现在是市面我所发现的最便宜的超外差接收IC，而且以大批量投产过！-Wireless transmitting and receiving sets of the circuit! In which the wireless transmitter and receiver IC IC is very high considering
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：以系统仿真软件MATLAB中的Sin-mlink软件包为工具，完成了通信系统中超外差接收机的动态仿真，并得到了完整的
仿真结果，总结出了利用Sitmdink进行动态仿真的基本方法和步骤。-: A system simulation software in the MATLAB software package for the Sin-mlink tools, completed a communication system in the dynamic simulation superhe
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This a thesis about CARRIER FREQUENCY OFFSET RECOVERY FOR ZERO-IF OFDM RECEIVERS.rar. The zero intermediate
frequency receiver architecture has now become popular as it has both economic and
size advantages over the traditional superheterodyne ar
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无线电发送/接收系统框图,接收机采用超外差接收机-Radio to send/receive system block diagram, the receiver superheterodyne receiver with
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无线接收设计超外差PCBSHEJI 无线接收设计超外差PCBSHEJI -Wireless Design Wireless Design PCBSHEJI superheterodyne superheterodyne radio receiver design superheterodyne PCBSHEJI PCBSHEJI
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调幅中波收音机的接收频率段为550KHz到1605KHz，中频为465KHz。调幅传输模型，对超外差式中波收音机建模-AM medium wave radio frequencies to 550KHz receiver to 1605KHz, IF is 465KHz. AM transmission model, modeling superheterodyne AM radio
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在信号处理中，信号发射时，信号通过载波，调制，以电磁波的形式发射出来
在接收端，射频信号通过天线接收，超外差式等方式进行处理，变频到中频
然后通过数字技术对中频信号进行处理，此时的中频信号采样率很高，多达几十兆赫
而要解调出来的信号很小，此时就要经过滤波来得到我们需要的信号
如果直接设计滤波器，阶数会非常庞大，软件，硬件设备都承受不了
因此，一般常用的技术是进行下变频处理，其主要技术就是通过抽取滤波进行下变频
常用的滤波器就是CIC抽取, 希望可以帮助一些坛友解决基本的问
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用matlab simulink实现超外差接收系统的一个测试程序-Using matlab simulink realization of a superheterodyne receiver system test program
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本文对于收发信机的架构进行的详细的介绍,文中对超外差的架构,零中频收发系统具体实现进行了详细的介绍.-This paper describes ZIF and superheterodyne receiver differential
interfaces for the demodulator, IF VGA, mixer, and analog port of the
ADC, as well as transmitter differential interfaces betwee
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介绍发射模块相对应的接收模块常用的有两种：即超再生接收和超外差接收，他们电路的实现原理-Introduction transmitter module corresponding to the receiver module commonly used, there are two: the super-regenerative receiver and a superheterodyne receiver, their circuit principle
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am超外差广播接收机system view 仿真-am superheterodyne radio receiver system view simulation
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在超外差式接收机中，如果经过混频后得到的中频信号比原始信号的频率低，那么此种混频方式叫做下变频 （Down Converter or DC）。-In the superheterodyne receiver, if after mixing an intermediate frequency signal obtained by frequency lower than the original signal, then this method is called downconversion
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J05E 是一款特小体积，超低功耗,平时输出为零电平（没有干扰）的超外差接收模块,工
作在315M/433.92M 频段。芯片内含稳压电路，具有较宽的工作电压范围 ，芯片高度集成了超外差接收电路的所有功能，具有较高的接收灵敏度和稳定性。芯片杂波辐射指标符合欧洲或北美管理标准。模块天线输入端口增加了微带电感有效提高了抗静电能力，产品一致性比J05U 有很大的提高，引脚功能与 J05U 完全兼容，是 J05U 的升级替换产品。-J05E is a special small size, low
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am超外差广播接收机system view 仿真-am superheterodyne radio receiver system view simulation
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am超外差广播接收机system view 仿真-am superheterodyne radio receiver system view simulation
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am超外差广播接收机system view 仿真-am superheterodyne radio receiver system view simulation
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Superheterodyne refers to a method of designing and building wireless communications or broadcast equipment, particularly radio receivers. Sometimes a receiver employing this technology is called a superheterodyne or superhet. -Superheterodyne refers
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