电子学

I've been toll the College of Science and Engineering is offering a correspondence course in electronics.

我听说理工学院正在开办电子学的函授学习，你知道一点有关函授的情况吗？

Negative feedback is an important technique in electronics, and its deion will be deferred to the final chapter.

负反馈是电子学中的一项重要技术，对它的论述将推迟到最后一章。

A scheme was presented to transmit 272 signals between time of flight counter electronics and trigger electronics in Beijing Spectrometer Ⅲ, using the chipset of serializer/deserializer and optical transceiver, achieving reliable long-distance transmission with only minute error rate.

在北京谱仪改造中，提出了使用并串／串并转换的方式通过光纤传输272路飞行时间计数器电子学信号给触发系统的方案，实现了误码率极小的可靠性长距离传输，并且验证了光纤传输在高密度信号远距离传输中的传输可靠性。

On the base of the single-diameter laser-scanned measuring technology, a double direction laser-scanned measuring system is presented. Which combinate the laser-scanned measuring technology with special optical system. In the system, the collimation semiconductor laser-scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. The beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high-speed photoelectric transition and electronic data process. Two measured results of the diametric directs and ellipse tolerance,etc, parameter, of the turning workpiece on the same plane are obtained by non-contact automatic measurement. The problem of non-contact measurement of two perpendiculars direct of one plane of turning workpiece is settled. It processes many peculiarities, such as high speed, high accuracy and non-contact automatic measurement, etc.

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

In the system , the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made . the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system , the high - speed photoelectric transition and electronic data process . two measured results of the diametric directs and ellipse tolerance , etc , parameter , of the turning workpiece on the same plane are obtained by non - contact automatic measurement

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

Based on the diffraction and polarization of grating and some theories of the electronics, the system was analyzed. After the benchmark grating was designed, and lots of experiments were carried out.

以光栅衍射和偏振光学为理论基础，结合电子学的相关知识对系统进行了理论分析，设计了基准光栅，并进行了大量的实验研究。

Electronics system design of high resolution many spectrum digital camera.

高分辨率多光谱数字相机电子学系统的设计。

Based on the design of SSM1600, directed by system theory, the system localization, system analysis, kinetics of development process, and the management of designing work are studied.

本文以SSM-1600的设计工作为基础，以现代系统理论为指导对机械电子学系统的定位、系统分析、设计动力学和设计过程的组织进行了综合分析。

The research about the critical technique includes: developing the radiation-hard CCD sensitive to the X and EUV ray; implementing the design of CCD driving clock and signal readout electronic using CPLD; implementing shutter design which can realizing 1ms - 10s exposing time.

关键技术突破包括：完成X射线和极紫外波段都敏感的抗辐照型CCD技术设计，并利用CPLD实现了非规则像素阵列CCD的驱动时序和读取电子学电路设计和调试：完成1ms～10s宽动态范围快门装置设计和调试。

From an electrical point of view, the array architecture and readout are very similar to those used for dynamic random access memory.

从电子学角度来看，阵列结构和读出与动态随机存取内存很相似。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。