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adf4118
- adf4118频率合成器编程,用于选频器、选带器开发
repeaterMonitor
- 选频直放站监控系统PC机端软件,具有本地串口通讯,CSD通讯,短信监控功能
ADF4118
- // 移频选频原理 //Fvco=[(P*B)+A]*Frefin/R //P=32 //loop filter 100k----prescribe //R=12.8M/100K=128---Parameter1 //Fvco=频点*2+170280 -1400 //B=Fvco/32-----------Parameter2 //A=Fvco-32*B
ddd
- 滤波器的功能主要是让指定频段的信号通过,而让其余频段上的信号给以足够的衰减而使其受到抑制,即:能使有用频率信号通过而同时抑制无用频率信号,实际上是一种选频装置
74LS04CX20106.rar
- 超声波发射电路主要由74LS04缓冲反向器和超声波换能器构成,单片机输出方波信号。 超声波接收由CX20106完成,CX20106具有内部前置放大,载波选频,脉冲解调等功能,在接收到超声波时,CX20106的7脚输出低电平。,Ultrasonic transmitter buffer by reverse 74LS04 and ultrasonic transducer consists of single-chip output square wave signal. CX20106 com
music
- 设计并调试好一个能产生”梁祝”曲子的音乐发生器,并用EDA实验开发系统(拟采用的实验芯片的型号可选Altera的MAX7000系列的 EPM7128 CPLD ,FLEX10K系列的EPF10K10LC84-3 FPGA, ACEX1K系列的 EP1K30 FPGA,Xinlinx 的XC9500系列的XC95108 CPLD,Lattice的ispLSI1000系列的1032E CPLD)进行硬件验证。 设计思路 根据系统提供的时钟源引入一个12MHZ时钟的基准频率,对其进行各种分频
gaopin
- 以谐振回路为选频网络的高频小信号放大器称为小信号谐振放大器,或小信号调谐放大器。放大器件可采用单管、双管组合电路和集成放大电路等,谐振回路可以是单谐振回路或双耦合谐振回路。单调谐回路的谐振放大器电路简单,调整方便,所以应用较广。-To resonant circuit for frequency-selective network of high-frequency small-signal amplifier as the small signal resonant amplifier, or
selected-frequency-and-power-amplifier-module
- 选频加功放一体化模块监控处理程序,有选频本振控制、功放功率检测、电流检测等功能。-Add selected frequency power amplifier module to monitor the integration process, has selected frequency of the vibration control of amplifier power detection, current detection and other functions.
hong
- 红外遥控电子密码锁的最大特点是免记忆密码,只要设置好密码,每次只需按一下遥控器上的发送功能键“F”即可开启电控锁体,从而给人们的生活带来了极大方便,而对记忆力差的老人来说更是如此。该电路的红外线发送管使用PH303,红外线接收管使用中心频率为40kHz的NJL41V40[1],该器件内部含有红外线PIN接收管、选频放大器以及解调器。-Infrared remote control key lock feature is the largest free memory password, the
IIR
- IIR数字滤波器的设计 滤波器可广义的理解为一个信号选择系统,它让某些信号成分通过又阻止或衰减另一些成分。在更多的情况下,滤波器可理解为选频系统,如低通、高通、带通、带阻。-IIR
linlei
- 实现声音的选频放大,选频网络为有源带通中心频率为1KHZ,两级放大-To achieve the sound frequency-selective amplification, selective frequency network as an active band-pass center frequency 1KHZ, two amplification
ZOOMChoose
- matlab编制的选频相位补偿细化源程序。-matlab compiled detailed source frequency-selective phase compensation.
fm
- fm接收装置 单片机的应用 可实现选频接收-Application of single chip fm receiver can achieve the election frequency receiver
GZYXPFDQ
- 高增益选频放大器的制作 电子竞赛作品 -High-gain frequency-selective amplifier production
1
- 高频电子技术的仿真实验包括:LC选频。AM,FM,DSB,SSB的调制。利用EWB仿真-High-frequency simulation of electronic technology, including: LC frequency selection. AM, FM, DSB, SSB modulation. EWB simulation using
chengkong
- 程控高增益选频放大器的设计方案 很实用-Programmable high-gain selected frequency amplifier design is very practical
xuanpin
- 选频电压表的程序,此程序是选频电压表的程序包含程控AGC,还有液晶及那盘显示,-frequency select voluma,which can measure the amp of different freqency signal
cklb1
- 高增益选频放大器,步进6dB,滤波器为MAX260,中心频率1.3K,最大中心频率为4K,包括显示和键盘。-High power gain choose frequency amplifier, step 6 dB, filter for MAX260, center frequency 1.3 K, maximum center frequency for 4 K, including display and keyboard.
KEY
- RC震荡的基本思想是正反馈加RC选频网络.RC选频网络之所以选出正弦波主要是因为电容的充电曲线.-The basic idea is that a positive feedback RC oscillator frequency selective network plus RC RC frequency selective network is the reason why elected sine wave because the capacitor charging curve.
频数分布和相关性分析
- 一次用R语言处理所有变量的相关性,可选spermnan或pearson,有显著性 用R语言对数据分段进行频数和频率统计(R language is used to deal with the correlation of all variables at the same time, and spermnan or Pearson can be selected. Frequency and frequency statistics of data segmentation using R