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红外解码的方法 NEC格式 tc9012 1、9Ms的高电平启动头,然后是4.5Ms的低电平,如果2.25Ms时就有高电平,是持续信号,不处理 2、然后以一个高电平和一个低电平为1Bit,高电平时间是0.5625Ms=562us, 高低电平时间比为1:1时是Bit1,比为1:3时是Bit0 3、Timer1中断执行100us采样周期,9Ms=90,4.5Ms=45,高电平=5,低电平最多15 4、共读入4Byte共24bit,第1、2Byte是CustomCode码和其反码,第3、4Byte是D
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这是一个频分复用系统的数字处理方法,传送了2个wav文件,采样频率200kHz,2路载波的频率分别为44kHz,48kHz。整个代码涉及到wav文件的编码和解码,信号的数字滤波,调制解调。-This is a frequency division multiplexing system of digital processing methods, to send the two wav files, the sampling frequency of 200kHz, 2-carrier freq
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在光纤通信系统中,光纤中传输的是二进制光脉冲"0"码和"1"码,它由二进制数字信号对光源进行通断调制而产生。而数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(pulse code modulation),即脉冲编码调制。这种电的数字信号称为数字基带信号,由PCM电端机产生。-In optical fiber communication systems, fiber-optic transmission of light pulses is a binary "
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本代码可以用于产生正余弦信号波形,利用FPGA内部的ROM放置一个正余弦采样点的数据表格,通过循环取址的方法,实现波形连续输出。-This code can be used to generate positive cosine signal waveforms, using FPGA' s internal ROM to place a sampling point is the cosine of the data tables, the circulation method of t
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数字信号处理中对模拟信号的采样频谱分析,及时域、频域重构分析,包括信号及频谱,采样信号及其频谱,时域重构,通过低通滤波器进行频谱重构等代码-Digital signal processing of the analog signal sampling spectral analysis, time-domain, frequency-domain reconstruction analysis, including signal and spectrum, the sampling signal
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51单片机控制AD0809采样芯片采样,并且将采样结果通过串口发送至PC机,PC机图形化显示采样结果,ad0809的时钟信号为方便起见由另一片51单片机的I/O脚提供。代码注释详细值得学习!-51 SCM control AD0809 sampling chip sampling, and sampling results will be sent to the PC, via serial port, PC machine graphical display sampling results,
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包括了高速AD采样分析设计的全部源码,可直接应用于实际信号的AD采样分析。-Including the design of high-speed AD sampling and analysis of all source code, can be directly applied to samples of the actual signal AD.
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包括了AD0809采样过程中RS232频谱分析的所有源码,可应用于实际信号的采样分析。-Sampling process, including the AD0809 RS232 spectrum analysis of all source code, can be applied to samples of the actual signal.
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Including the design of high-speed AD sampling and analysis of all source code, can be directly applied to samples of the actual signal AD.
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基于stm32,模拟信号采样,滤波处理,全部原理图和源程序,实现对采集信号的频谱分析。-Based stm32 analog signal sampling, filtering all the schematics and source code to achieve the spectral analysis of the collected signal.
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语音信号FIR滤波 利用DSP型号为 C5509 语音采集播放使用AIC23B 芯片 采样率可以自己设置 删减相关无用代码就可以使用-FIR filtering using the voice signal models for the C5509 DSP voice capture playback using AIC23B chip sampling rate can be set up their own deletion of useless code can use the relev
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PCM 脉冲编码调制是Pulse Code Modulation的缩写。脉冲编码调制是数字通信的编码方式之一。主要过程是将话音、图像等模拟信号每隔一定时间进行取样,使其离散化,同时将抽样值按分层单位四舍五入取整量化,同时将抽样值按一组二进制码来表示抽样脉冲的幅值。-PCM Pulse Code Modulation is the abbreviation for Pulse Code Modulation. Pulse code modulation coding scheme is one o
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接收机测试输入信号,
生成正余弦波,采样率、频率、幅度、相位可调节
并将生成的数据进行输出
压缩包包括Verilog代码、testbench代码、word文档
matlab仿真代码(The receiver tests the input signal,
Generation of positive cosine wave, sampling rate, frequency, amplitude, phase can be adjusted
And output the generated da
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