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发射部分采用锁相环式频率合成器技术, MC145152和MC12022芯片组成锁相环,将载波频率精确锁定在35MHz,输出载波的稳定度达到4×10...
发射部分采用锁相环式频率合成器技术, MC145152和MC12022芯片组成锁相环,将载波频率精确锁定在35MHz,输出载波的稳定度达到4×10-5,准确度达到3×10-5,由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制;末级功放选用三极管2SC1970,使其工作在丙类放大状态,提高了放大器的效率,输出功率达到设计要求。-Part of the launch phase-locked loop frequency synthesizer using technology, MC145152 and MC12022 PLL chips to lock in the exact carrier frequency 35MHz, the output carrier to achieve the stability of 4 × 10-5, reaching the accuracy of 3 × 10-5 by the varactor diode V149 and integration to achieve MC1648 chip VCO FM modulation on the carrier selection transistor amplifier at the end of class 2SC1970, to work in the C state to enlarge and improve the efficiency of the amplifier output power to meet the design requirements.
- 2022-08-18 16:37:11下载
- 积分:1
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ComTest
基于mfc的串口通信程序,基于mfc中串口控件的串口通讯(Serial communication program based on MFC)
- 2021-04-10 10:28:59下载
- 积分:1
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2
说明: 配电网采用二进制粒子群算法进行重构,同时使用普通粒子群算法对接入的DG注入功率进行优化(The distribution network adopts binary particle swarm algorithm to refactor, and the DG injection power is optimized by using the general particle swarm algorithm)
- 2017-06-06 13:32:14下载
- 积分:1
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Radar-Systems-master
说明: 数字波束形成,包含线性调频信号的生成,还有包含了其他的信号的生成,可以对抗干扰有研究(Digital beamforming, including chirp signal generation)
- 2020-11-03 18:14:21下载
- 积分:1
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four UNIX operating function Message Queue
四种UNIX消息队列操作函数-four UNIX operating function Message Queue
- 2022-04-25 16:00:35下载
- 积分:1
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BISS_C
Biss-c reference/manual/description
- 2017-07-10 14:25:16下载
- 积分:1
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wallis
c语言wallis滤波器 里面含有头文件和.cpp文件(C language Wallis filter contains header files and.Cpp files.)
- 2018-08-10 18:25:49下载
- 积分:1
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滚球模型
说明: 2017年电子设计大赛滚球模型控制系统源代码(2017 Electronic Design Competition Ball Model Control System Source Code)
- 2020-06-25 06:00:02下载
- 积分:1
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5
说明: 编写程序,实现基于最大Lyapunov指数的预测方法(Programming, the largest Lyapunov index based on the prediction method)
- 2009-06-13 10:55:44下载
- 积分:1
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kanaiearthquake
说明: 本程序利用金井清功率谱--三角级数法模拟人造地震波
杜修力的是高频和低频部分的修改,在matlab中加了ad1和ad2两个修改项(procedures for the use of the Large-power spectrum-- Triangle Series artificial earthquake simulation of Podujevo repair of high-frequency and low-frequency Department hours amendments to the Matlab adding the AD1 and ad2 two amendments items)
- 2006-04-22 20:53:17下载
- 积分:1