红外发射程序的关键是定时时间到时调用中断程序来产生载波信号，对按键信号和载波信号进行调制。
The key of the infrared sending program was calling the interrupt subroutine to produce the carrier wave and modulate it with the key signal.
用户可以使用驱动程序和配置软件将这些信号绑定到任何按键，这使得NIA可以在任何游戏里代替所有键盘命令。
The user can bind these signals to any keystroke using the driver and configuration software. This allows the NIA to take the place of any keyboard command in any game.
显然，对于这种问题有线设备是近似无干扰的：没什么会阻止按键的电信号沿着线输入到你的电脑。
For obvious reasons, wired devices are near-impervious to this sort of issue; there's nothing stopping the button's electrical signal from reaching your PC along the way.
本系统可以实现多路温度信号采集与显示，可以使用按键来设置温度限定值，通过进行温度数据的运算处理，发出控制信号达到控制蜂鸣器和继电器的目的。
The system achieves multi-channel temperature signal acquisition and control. Temperature limit is set by keyboard. The buzzer and relay are controlled by MCU.
设计中采用行扫描法识别键的闭合，并且在按键的选用和信号的传输上都有其独特之处。
The design identify shutting of key using row scanning. It is peculiar in a-side of keys selection and signal transmission.
另外，根据实际需要，掺水燃烧的起停可以通过手动按键来控制，工况信号以及PWM输出占空比通过LED数字显示。
In addition, start and stop of emulsifying combustion can be controlled by a manual button, and the working condition signal and PWM duty ratio can be displayed by digital led.
此外还详细介绍了硬件系统中的滤波电路设计、信号采集电路设计、显示按键单元设计、开关量输入及输出单元设计等。
In addition, details of the hardware system filter circuit design, signal acquisition circuit design, display design of Key modules, digital input and output cell design.
系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。
The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.
虚拟按键隔板、发射电路、接收电路、信号中央处理器、声光显示模块、执行器等。
The system comprises a virtual key partition board, a transmitting circuit, the receiving circuit, a signal central processor, an acoustic-optic display module, an actuator and the like.
控制电路采用微处理器AT89S52作为主控制芯片，矩阵按键和液晶显示构成操作平台，可设置射频信号的频率；
Console is based on micro control chip AT89S52, LCD and button matrix composition platform to set the frequency of the transmitted signals;
单片机控制器负责按键识别、限位信号以及位置速度信号的数据处理；
The single chip microcomputer controller takes charge of processing position & velocity data, limitation data and keystroke identification.
所述键盘控制器接收输入方式切换单元的信号，并根据该信号择一处理来自键盘按键和触摸输入处理单元 的输入信息。
Received signal from unit for switching input modes, the keyboard controller selects and processes information input from the keyboard push button keys or from the touch units.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
对按键的荷重以及按键的下压位移进行信号采集，绘制位移-荷重曲线。
We adopt sensors for data acquisition of the pressure loading on the key and the displacement of the key, and then drew the displacement-load diagram.
对按键的荷重以及按键的下压位移进行信号采集，绘制位移-荷重曲线。
We adopt sensors for data acquisition of the pressure loading on the key and the displacement of the key, and then drew the displacement-load diagram.
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