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40k_test
- 基于c语言开发的40KHz超声波产生与发射程序，适用于51系列单片机-C-based languages have developed and launched 40KHz ultrasonic procedures, applicable to 51 Series Single Chip
chaoshengboceju
- 超声波测距原理 超声波测距是通过不断检测超声波发射后遇到障碍物所反射的回波,从而测出发射和接收回波的时间差t,然后求出距离S=Ct/2,式中的C为超声波波速。 -Ultrasonic Distance Measurement Ultrasonic Distance Measurement principle of continuous detection of ultrasound through the encounter after the launch of the echo re
test
- 通过超声波探头发射40KHZ的超声波，然后检测回波，测距 -Emitting ultrasonic 40KHZ ultrasonic probe, and then detecting an echo ranging
fs
- 51单片机NRF24L01超声波测距发射程序-51 MCU NRF24L01 launch ultrasonic ranging program
SR04
- 采用IO触发测距，给至少10us的高电平信号； 模块自动发送8个40KHz的方波，自动检测是否有信号返回； 有信号返回，通过IO输出一高电平，高电平持续的时间就是超声波从发射到返回的时间．距离=(高电平时间*声速(340m/s))/2;(IO triggered ranging is used to give at least 10us of the high level signal; The module automatically sends 8 40KHz Fang Bo, aut
探头声场仿真
- 超声波探头聚焦声场仿真和水浸探头以及相控阵探头，可以通过设置探头频率和探头直径，模拟超声发射声场，实用性强。(The simulation of focused acoustic field of ultrasonic probe can simulate the acoustic field of ultrasonic emission by setting probe frequency and probe diameter, which is practical.)
手势识别数据提取
- 发射接收特定波形的超声波用于信道估计手势识别。(Transmitting and receiving ultrasonic wave of specific waveform is used for channel estimation gesture recognition.)