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Electronic and quantum devices of the MICROWAVE (the High signal of frequency)
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1.本程序拟已知驻波比系数ρ,波节点的距离l_m_i_n,和频率f的情况下,求解归一化阻抗Z~,
所以在本程序运行时,要首先输入正确的驻波比系数ρ,波节点的距离l_m_i_n,和频率f;
2.本程序由于视野有限,课本后面的那个圆图并未全部显示出来,只是显示了本程序有用的部分
3.编制本程序的小组成员为微波技术实验分组,倪庆等;
4.由于时间原因,未能打成exe可执行文件包;
5.由于圆图信息量大,所以运行后要把窗口最大化才能正常显示;
6.红色的圆点即为阻抗
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此频率计是用单片机89C51和几块数字电路几个三极管,和一个微波集成电路构成。可测量频率最高为2G!分辨力为1HZ!-This frequency meter is used 89C51 microcontroller and a few pieces of several transistor digital circuit, and a microwave integrated circuit form. Measure the frequency of up to 2G! Resoluti
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。PXI吸收了VXI的优点,同时受益于Compact PCI(CPCI),因而速度更快、结构坚固紧凑、系统可靠稳定,在射频和微波频带以下的低、中高频段可以替代VXI而且价格优势明显,深受广大用户欢迎,目前正朝气蓬勃地向商用与军用领域拓展。-. VXI PXI absorbed the advantages of both benefit from the Compact PCI (CPCI), and thus faster, compact, rugged, reliable and stab
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车辆监测用测速雷达是依据多普勒效应原理实现的。由雷达发出一束微波,遇被测目标(车辆)时微波被反射回来,再由雷达接收反射波。如果目标相对于雷达有距离上的运动,反射波的频率将与发射频率发生差异,而这种差异的大小正比于目标与雷达的相对运动速度。于是,雷达通过检测反射波频率和发射波频率的差,就可以计算出被测车辆的移动速度。本次课程设计是利用离散付里叶变换进行频谱分析,设计数字滤波器组,并对滤波器组加窗降低副瓣,通过频域方法测量速度。-Vehicle monitoring using radar gu
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HATA Model MATLAB Simulation In wireless communication, the Hata Model for Urban Areas, also known as the Okumura-Hata model for being a developed version of the Okumura Model, is the most widely used radio frequency propagation model for predicting
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用于AWR的微波设计简单的开发模板,能够直接适用大多数开发,如四分之一波长阻抗变换器,分频选择器等-The simple development template for microwave design of AWR can be directly applied to most development, such as 1/4 wavelength impedance converter, frequency dividing selector, etc.
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the operating principles and design of the RF/microwave
subsystems,the amplifers, flters, mixers, local oscillators and
connecting transmission lines.
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