模拟 PWM 输出控制灯的 10 个亮度级别
LED 一般是恒流操作的，如何改变 LED 的亮度呢？答案就是 PWM 控制。在一定的 频率的方波中，调整高电平和低电平的占空比，即可实现。比如我们用低电平点亮一个 LED 灯，我们假设把一个频率周期...
LONG技术资料
📦 资源总数：207
💻 源代码：153863
🔌 电路图：1
📚 LONG全部资料 (207个)
用于锂 - 硫电池的纳米结构金属氧化物和硫化物(1)
Lithium–sulfur (Li–S) batteries with high energy density and long cycle life are considered to be on...
单片机用精度除法函数
精度除法函数。 调用函数，并输入被除数、除数和精确到小数点后多少位。即可得到商的整数部分和小数部分。 /*************************精度除法函数*********...
Fundamental Limits on a Class of Secure
Abstract—In the future communication applications, users may obtain their messages that have differe...
3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched access netwo...
Cognitive+Radio,+Software+Defined+Radio
Today’s wireless services have come a long way since the roll out of the conventional voice-centric ...
Cooperative+Communications
Cooperation is not a natural characteristic attributed to humans. The typical human horizon is focus...
Core+and+Metro+Networks
It is commonly accepted today that optical fiber communications have revolutionized telecommunicatio...
GSM System Engineering
Cellular communications is one of the fastest growing and most challenging telecom- munication appli...
History of Wireless
The motivation to write about the History of Wireless comes from Auguste Comte (17...