ID |
原文 |
译文 |
14835 |
本文所介绍的指夹式脉搏血氧仪,以光电二极管为传感器检测光波透过手指后的信号,利用单片机采集滤波放大之后的有效信号,再通过分析和计算得到准确的脉搏和血氧饱和度参数,并在 OLED 显示屏上显示结果。 |
The fingertip pulse oximeter proposed in this paper,uses photodiodeas sensor to detect the optical signals after the light through the finger. After the signals arefiltered and amplified, the effective signal sampled by a micro-computer. With following analysis andcalculation, the right value of pulse and oxygen saturation of blood will be acquired and shown on theOLED screen. |
14836 |
该设备使用方便、测量准确,适用于心脑血管病或呼吸系统病患者的日常监护。 |
The machine is convenient in operation and accurate in result, which makes it suitablefor daily monitoring for those who are suffering from cardiovascular and cerebrovascular diseases andrespiratory illness. |
14837 |
以 STC8A8K64S4A12 单片机为核心设计的放大器非线性失真测试系统,由信号放大电路、有源滤波电路、AD 转换电路、显示电路等组成。阐述了测试系统的工作原理,对系统的硬件电路进行了仿真实验,给出了系统测试的软件流程,通过外接不同的信号对系统进行了性能测试,系统可以显示观测图形和输出电压的总谐波失真近似值 THD。 |
The amplifier nonlinear distortion test system based on stc8a8k64s4a12 MCU is composed ofsignal amplifier circuit, active filter circuit and AD converterCircuit, display circuit, etc. Theworking principle of the test system is described, the hardware circuit of the system is simulated,and the software flow of the system test is given,The performance of the system is tested by differentexternal signals, and the system can display the observed figure and the approximate THD of the outputvoltage. |
14838 |
系统采用分立元器件进行放大电路设计,降低了成本 ;系统单片机留有多余的接口,便于对系统功能进行扩展 ;THD 测量结果与失真度测试数据进行了比对,误差较小,性能稳定,具有一定应用价值。 |
The system adopts sub-systemThe cost is reduced by designing the amplifier circuit; Thesingle chip microcomputer of the system has redundant interface, which is convenient to expand thefunction of the system; Thd measurement results and error analysisCompared with the truth test data,the error is small and the performance is stable, which has a certain application value. |
14839 |
本文通过当前液晶面板检测存在的种种问题展开分析,并提出了组装开发一个实用性较强的自动测试系统,实现液晶面板的的自动测试。 |
This paper analyzes the problems of LCD panel testing, and puts forward a practicalautomatic testing system to realize LCD panel testing. |
14840 |
这是一种基于 NI Labview 程序图形化开发环境,驱动器启动和电脑软件通过 CAN 口进行通讯,用实际距离和脉冲数的比例来控制运动行程,将电脉冲信号转变为位移的过程 , 实现水平和垂直两轴自动控制 , 从而达到节省人力、物力、提高工作效率的目的。 |
This is a kind of graphic developmentenvironment based on Ni Labview program, drive start and computer software through CAN portcommunication, with the actual distance and the proportion of the number of pulses to control thetravel, the electrical pulse signal into the displacement process, to achieve horizontal and verticaltwo-axis automatic control, so as to save manpower, material resources, improve work efficiency. |
14841 |
本文主要介绍基于单片机的高精度红外测温仪。 |
This paper mainly focus on a no-contact infrared thermometer based on micro-controller. |
14842 |
该红外测温仪采用高精度红外热电堆传感器实现人体体温测量。同时,该仪器集成了段码屏、接近传感器、蜂鸣器以及存储器等外部硬件电路,实现了结果可视化显示、距离检测以提高准确度、警报提示以及历史数据存储与查看等功能。该仪器使用时无需直接接触人体,可以减少交叉感染。 |
Thethermometer ultilizes an high-sensitive infrared thermopile sensor for human temperature measurement.Meanwhile,It also integrates some external devices such as segment LCD, proximity sensor, buzzer andmemory, which realizes the functions of visible results, distance measurement to increase accuracy,alarm and keeping and querying historical records.There is no need to request direct-contact of humanbody with the machine, which reduces the cross infection. |
14843 |
该仪器具有操作简便、结果准确、响应速度快、待机功耗低等特点,满足日常使用需求。 |
This infrared thermometer is simple inoperation, accurate in result,fast in response and low in power consumption of stand-by mode, whichmakes it available for daily use. |
14844 |
直流伺服电机通常在机器手、自动化生产线等数字控制系统中作为执行驱动机构。本文介绍一种基于单片机的直流伺服电机调速系统。 |
DC servo motor is usually used as the actuator in various digital control systems, such as manipulator, precise machine, automatic production line, etc. This paper introduces a DC servo motor speed control system based on single chip microcomputer. |