| 1. | Reliability prediction for a certain type of laser range finder
某型激光测距系统可靠性预计 |
| 2. | Study on communication of laser distance measuring system for mine hoist
煤矿提升机激光测距系统的通信研究 |
| 3. | Research on signal generator in phase - shift laser range - finder based on fpga
的相位式激光测距系统中信号源的研制 |
| 4. | Implement the functions of peripheral devices of 3d laser distance meter on system platform
在建立系统平台的基础上,实现了三维激光测距系统外围设备的功能。 |
| 5. | In recent years , one of the development trends in laser range finder is to study how to improve the accuracy and resolution and realize the downsizing of system
目前激光测距仪发展的主要趋势是提高激光测距系统本身的测量精度和实现小型化。 |
| 6. | The main limitation of a intensity - modulated - continuous - wave laser rangefinder is the leakage distortion created by the high frequency current source which modulates the laser diode
在调强连续波激光测距系统中，调制激光器的高频电流源产生的泄漏干扰是影响测距精度的主要因素。 |
| 7. | The system has advantages of carriable , easy to upgrade and expansive , etc . the paper studies the key technologies of development embedded system with the background of 3d laser distance meter system
本文以三维激光测距系统为应用背景,深入研究了嵌入式系统开发过程中的关键技术并进行了实现。 |
| 8. | In this thesis , the research on short - range high accuracy range finding system , which is inexpensive and compact , is done . to design the laser transmitter and the timing circuit is the main task
本文旨在针对成本低、体积小的高精度短程激光测距系统开展研究工作,主要任务是设计与实现脉冲激光测距系统中激光发射器电路和计时电路。 |
| 9. | In this paper , a simple and practical circuit for laser diode modulation is presented , the principle circuit and the principle of choosing component are given , at last , application in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced
本文介绍了一种简单有效的半导体激光器调制电路，给出了电路原理图，元件的选择原则，最后介绍了在非合作目标相位式激光测距系统中实现正弦调制的应用。 |
| 10. | Laser , ultrasonic beam and microwave are used in non contacting level measuring systems . laser systems suffer from dirt , ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank , which is difficult when there is a high pressure or when explosion protection is necessary
压力式液位测量系统原理简单、成本低，但测量精度和应用场合有一定的局限性，超声液位仪精度较高，但设备复杂，一般需要用导管将超声波传到被测的液体中，因而安装维护较麻烦，激光测距系统对环境要求严格。 |
