| 1. | Research on transmitting and receiving circuits in ultrasound sonde
超声波探伤仪收发电路研究 |
| 2. | Edwin armstrong develops a receiving circuit - the superheterodyne
艾德温?阿姆斯特朗开发接收机电路?超外差式收音机。 |
| 3. | Design of double ultrasound pulse transmitting and receiving circuits used in ultrasound thermometry
一种用于超声测温的双超声脉冲发射接收电路的设计 |
| 4. | ( 3 ) signal emitting and receiving circuit is to transfer signal from leaking place to computer
并提出和实现了能量统计法分类信号达到定位信号的方法。 |
| 5. | The hardware mainly included the emitting circuit of the laser light , receiving circuit and high speed data acquisition circuit
硬件部分包括激光发射电路、回波接收电路，高速数据采集电路等。 |
| 6. | Also the emitting and receiving circuit was designed , and the emitting and receiving delay of each unit was controlled by computer
设计了发射和接收电路，通过计算机控制实现探头各晶片阵元的延迟发射与接收。 |
| 7. | And the grating signal receive circuit , fpga module circuit and output signal interface circuit are integrated into one board - dual grating signal process board
并将fpga模块电路、双光栅尺信号接收电路与外部接口电路集成为自行设计的双光栅尺信号处理卡。 |
| 8. | The transmit circuit includes convolutional encoding , framing , differential encoding , shaping filter , pn generator , hopping pattern generator , etc . the main part of receive circuit is matched filter
发送电路包括卷积编码、成帧、差分、成形滤波、 pn发生器和跳频图案发生器等；接收电路的主要部分是匹配滤波器。 |
| 9. | We design the system circuit which is composed of emission and receiving circuit . the results of experiments show that the system can localize the magnetic sensor and it can be expected to play a roll in medical treatment after further research
在电路设计中，我们根据磁场模型的特点设计了具有自动增益和倒相控制功能的发射电路以及高放大倍数和低噪声的接收电路。 |
| 10. | Arranged signal activating lock circuit and time - base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle , thus to improve the ratio of signal vs . noise and detective precision
在超声波接收电路中设有信号触发锁定电路和时基控制电路。实现以各探头中最早收到的回波信号为本检测单元的有效信号，有效提高信噪比和检测精度； 4 |
