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generating circuit
相关语句
  发生电路
    In this paper, the main theory of DDS and the working principles of AD9850 are described at first, and then the generating circuit of a pulsed ultrasonic scanning waveform based on two AD9850s is introduced.
    阐述了DDS的一般原理和AD9850的工作原理,介绍了一种基于双AD9850构成的脉冲超声扫描波形发生电路设计。
短句来源
    Upon the radio frequency admittance capacitive level measurement, the analog, digital circuits and relevant program of the system have been designed, especially the design of sine waveform generating circuit, synchronization channels circuit and filter circuit in the analog system.
    基于射频导纳电容式物位仪的工作原理,本文对射频导纳电容式物位仪的模拟电路、数字电路及相关程序进行了设计,尤其对模拟电路中的正弦信号发生电路、同步通道电路、滤波电路进行了重点论述与设计。
短句来源
  产生电路
    The system consists of driving pulse generating circuit for CCD, instrumental amplifier with low noise, MCU controlling circuit and PC program for dealing with the data conveyed by MCU.
    系统包括CCD 驱动脉冲产生电路、低噪声测量放大电路、自适应比较电路、单片机控制电路以及上位机处理程序。
短句来源
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  generating circuit
We show that oscillations in the generating circuit are stimulated under the action of microwave radiation when bias voltage, which is smaller than peak voltage, is applied to the diode.
      
These kinematic details suggest how the swim central pattern generating circuit is assembled during embryogenesis.
      
In special cases the diaphragm in the generating circuit may be abandoned.
      
Using a separated generating circuit with four electrodes results resemble those obtained in volumetric titration.
      
We thank Kai Hynna for improving the spike generating circuit and Paul Merolla and Brian Taba for help in testing.
      
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Ultrasonic bio-effect is still in the air and the pulsed ultrasonic source is absent for a long time. In this paper, the main theory of DDS and the working principles of AD9850 are described at first, and then the generating circuit of a pulsed ultrasonic scanning waveform based on two AD9850s is introduced. The circuit can not only simulate various pulsed ultrasonic waveforms used in clinic, but also generate ultrasonic scanning waveform with any frequency. The pulsed ultrasonic source can...

Ultrasonic bio-effect is still in the air and the pulsed ultrasonic source is absent for a long time. In this paper, the main theory of DDS and the working principles of AD9850 are described at first, and then the generating circuit of a pulsed ultrasonic scanning waveform based on two AD9850s is introduced. The circuit can not only simulate various pulsed ultrasonic waveforms used in clinic, but also generate ultrasonic scanning waveform with any frequency. The pulsed ultrasonic source can be a useful tool for the research of ultrasonic bio-effect.

超声的生物学效应一直是个悬而未决的问题,长期以来一直缺乏实验用脉冲超声源。阐述了DDS的一般原理和AD9850的工作原理,介绍了一种基于双AD9850构成的脉冲超声扫描波形发生电路设计。该波形发生电路不仅能模拟临床使用的各种脉冲超声扫描波形,还能产生任意频率的超声扫描波形。以此为核心研制的脉冲超声源,为研究超声生物学效应提供了一个有利的工具。

The ultrasonic distance measuring system composes of signal generate and adjust model, temperature changing measure model, amplified model, monitor model, alarm model and so on. 40kHz frequency signal is adjusted with 0.2 ms signal generate circuit, 40 RS/UT180 ultrasonic sensor is driven with double working model to detect the returning wave, amplify LM567 input phase-locked loop to monitor electric circuit and send detected signal into the controller. And the experimenting data was fitted...

The ultrasonic distance measuring system composes of signal generate and adjust model, temperature changing measure model, amplified model, monitor model, alarm model and so on. 40kHz frequency signal is adjusted with 0.2 ms signal generate circuit, 40 RS/UT180 ultrasonic sensor is driven with double working model to detect the returning wave, amplify LM567 input phase-locked loop to monitor electric circuit and send detected signal into the controller. And the experimenting data was fitted and validated by least square method.

基于嵌入式SPT-K控制器的超声波测距系统由信号发生及调理、测温变信号电路、放大、监测、报警输出等模块组成。0.2ms信号发生电路调理40kHz频率信号,驱动双工模式40RS/UT180超声波传感器,检测反射回波,放大输入锁相环LM567监测电路,送入控制器。并用最小二乘法拟合实验数据给予验证。

It introduces the remote-control neural intramuscular electric stimulation system and indicates the designs of the electrical-pulse generating circuit,the remote-control circuit and the electromyography singles sampling circuit.It also discusses the electromyography under electric stimulation.

介绍了可遥控神经肌肉电刺激系统,主要叙述了系统中电脉冲发生电路、遥控电路及肌电信号采集电路的设计,并对电脉冲刺激下的肌电图进行讨论。

 
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