搜索资源列表
pulsewidth2
- 按照等面积法计算的spwm脉冲宽度计算小程序,自己写的-Calculated in accordance with such as pulse width of the area method spwm program, write their own
maichong
- 可以用avr单片机测量脉冲宽度,我是用自身单片机mega16产生的pwm信号来测量的宽度,比较精确,但是只能测到低电平持续的时间,高电平的时间是用周期减去低电平时间来计算出来的,、。 -Pulse width can be measured using the avr microcontroller, I own microcontroller mega16 the pwm signal to measure the width, more precise, but can only be
TA
- 利用timer定时器捕获脉冲宽度,可用于测量频率-Timer timer to capture the pulse width can be used to measure the frequency
ARM7_PWMDAC_C
- ARM7_PWMDAC_C,主要是基于NXP的ARM7平台下的一个基础实验,如何实现PWM脉冲宽度调制,实现完全可以实现。-ARM7_PWMDAC_C, mainly, how to implement the PWM pulse width modulation, can achieve a basis for experiments based on NXP' s ARM7 platform.
chaoshengbo-wushurubuzhuo
- 基于MSP430的脉冲宽度检测代码程序,不用定时器A的输入捕捉功能,-MSP430-based pulse width detection code programs without Timer A input capture function,
HAdmissioninte
- 生一个长为1000的二进制随机序列,“0”的概率为0.8,”1”的概率为0.2;B. 对上述数据进行归零AMII编码,脉冲宽度为符号宽度的50 ,波形采样率为符号率的8倍,画出前20个符号对应的.. 开开发工具:matlab -Birth to a length of 1000 random binary sequence, the probability of " 0" 0.8, " a" probability of 0.2 zero AMII en
STM32F4_TIM_PWM_Input
- STM32F407 脉冲宽度输入调试程序,固件包程序例程,有完整的c语言源代码-The STM32F407 pulse width to enter the debugger, the firmware package routine, the complete C language source code
STM32F4_TIM_PWM_Output
- STM32F407 脉冲宽度输出调试程序,固件包程序例程,有完整的c语言源代码-The STM32F407 pulse width output debugger, the firmware package routine, a complete C language source code
rev3
- 海豚声纳信号的脉冲分解及特征分析.提出一种海豚声纳目标探测脉冲串信号的脉冲分解方法,在此基础上对海豚声纳脉冲信号的特征进行了分析,其中包括脉冲宽度、脉冲间隔以及脉冲的时间分辨率和频率分辨率,并采用耳蜗滤波对海豚声纳脉冲串信号的时频特征进行了分析。分析结果表明,探测目标的过程中,根据目标距离的不同,海豚会自适应调节脉冲信号的发射频率和信号形式。 -Dolphin sonar signal pulse decomposition and characteristics of proposed bur
rev4
- 强主动声纳信号干扰被动声探测的仿真分析.被动声探测是探测和跟踪水中噪声目标的重要手段,但强主动声纳信号的出现将对被动声探测产生很强的干扰作用,影响被动声纳对噪声目标的检测或跟踪。本文通过计算机仿真,分析被动声纳的积分时间、强主动声纳信号的强度、脉冲宽度和发射周期四个因素对强主动声纳信号干扰被动声探测程度的影响。-Simulation analysis of passive acoustic detection of a strong active sonar signal interferenc
PWM(VHDL)
- --学习PWM的原理 --控制脉冲宽度,来调节LED的亮暗-- Learn the principle of PWM- control the pulse width, to adjust the LED light and dark
frequency
- 频率计1:被测频率fx小于110Hz采用测周法,显示频率XXX。XXX;fx大于110Hz采用测频法,显示频率XXXXXX; 2:可利用键盘分段测量和自动分段测量; 3:可完成单脉冲测量,输入脉冲宽度范围是100微秒--0.1秒; -Frequency meter: the measured frequency fx is less than the 110Hz measured Weeks Act, shows the frequency XXX. XXX
ADC
- AD转换的Matlab程序,将输入电压转换成时间(脉冲宽度信号)或频率(脉冲频率),然后由定时器/计数器获得数字值-AD conversion of the Matlab program, the input voltage is converted into a time (pulse width signal) or a frequency (pulse frequency), and then to obtain a digital value by the timer/counter
chirp_pulse_chain
- 采样时间:1E-6秒 脉冲长度:200E-6秒(脉冲宽度=200个样本) 脉冲间隔:1E-3秒(脉冲周期=1000个样本) 初始频率啁啾:DC至200 kHz(目标频率) 扫描时间:200E-6(200个样本) -Sample Time: 1e-6 sec Pulse Length: 200e-6 sec (Pulse width=200 samples) Pulse Interval: 1e-3 sec (Pulse period=1000 samples)
EVAexample
- 产生非对称PWM信号,死去时间为1ms 脉冲宽度为24ms-Generating the asymmetric PWM signal, the dead time is 1ms pulse width is 24ms
DSP-pwm
- 产生非对称PWM信号,死去时间为1ms 脉冲宽度为24ms-Generating the asymmetric PWM signal, the dead time is 1ms pulse width is 24ms
Code
- 产生一个长为1000的二进制随机序列,“0”的概率为0.8,”1”的概率为0.2; 对上述数据进行归零AMI编码,脉冲宽度为符号宽度的50 ,波形采样率为符号率的8倍,画出前20个符号对应的波形(同时给出前20位信源序列) 改用HDB3码,画出前20个符号对应的波形 改用密勒码,画出前20个符号对应的波形 分别对上述1000个符号的波形进行功率谱估计,画出功率谱 改变信源“0”的概率,观察AMI码的功率谱变化情况-Have a length of 1000 random bi
STM32-SPWM
- TIMER输出PWM基本概念 脉冲宽度调制(PWM),是英文“Pulse Width Modulation”的缩写,简称脉宽调制,是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术。简单一点,就是对脉冲宽度的控制。一般用来控制步进电机的速度等等。STM32的定时器除了TIM6和TIM7之外,其他的定时器都可以用来产生PWM输出,其中高级定时器TIM1和TIM8可以同时产生7路的PWM输出,而通用定时器也能同时产生4路的PWM输出。 -Timer output PWM bas
28335-PWMcontrol
- 5个使用DSP320f28335的PWM控制程序,已经测试通过,可产生精确占空比的脉冲宽度调制波形信号-5 DSP320f28335 PWM control procedures, has been tested, can generate a precise duty cycle of the pulse width modulated waveform signal
pulse-width-and-SNR
- 通过利用雷达脉冲宽度与信噪比关系公式,分析雷达在三咱不同检测目标距离下的信噪比与脉冲宽度关系。-Through the use of the radar pulse width of the signal-to-noise ratio relationship formula to analyze the radar in three different detection target distance we signal-to-noise ratio and pulse width rela