查询词典 integrated circuit

The 1H-NMR spectrum collected on a 200 MHz instrument had a multiplet at a chemical shift of 5.3 parts per million which integrated to one proton, a triplet at 2.5 ppm which integrated to four protons, two doublets at 1.66 ppm and 1.59 ppm which integrated to three protons each, and a multiplet from 1.4-1.2 ppm which integrated to six protons.

该核磁共振谱收集在一个200 MHz的仪器有一个multiplet在化学位移5.3每100万的综合，以一质子，三重在2.5 ppm的综合，以4个质子， 2 doublets在1.66 ppm和1.59 ppm的综合，以3个质子，每个和multiplet从1月4日至1月2日ppm的综合，以6个质子。

And an on-line adaptative training algorithm of the weights of neuron is given, which enhances fusion precision of the model, fault tolerance and adaptive ability for subsystems 4 In order to diagnose the soft fault of integrated system, a new fault detection method is proposed based on federated filter, which can detect fault of system in short interval and greatly enhance the method sensitivity to fault A fault diagnosis method of Dynamically Tuned Gyro baesd on parameter estimation of kinetics model of rotor, and signal pretreatment, parameter estimation and strategy of fault identification are studied in detail The method can locate fault of DTG correctly and effectively, which provides a new approach and idea for gyro fault diagonsis 5 In order to diagnose the hard fault of integrated system, fault tree analysis is studied on fault disgnosis of integrated system circuits, and the hardware and software of disgnosis system are developed, with faults located to main module and circuit For futhur diagnosis, an optimal measurement technology in detection of circuits is discussed by improving an algorithm based on information theory, and a pratical method based on half-split method is proposed.

针对组合系统的软故障诊断问题，提出了基于联合滤波模型的一种新的故障检测算法，给出了算法的理论推导过程，该算法能在较短的时间内检测出系统故障，提高了算法对故障的敏感度；研究了基于动调陀螺转子动力学模型参数辨识的故障诊断方法，就其中的信号预处理、参数辨识及故障决策方法等关键技术进行了详细的研究，该方法可以正确、有效地检测与定位动调陀螺故障，为陀螺故障诊断提供了新的途径和思路。 5。针对组合系统的硬故障诊断问题，研究了基于系统浅知识推理的故障树法在组合系统电路子系统故障诊断中的应用，开发了相关诊断系统的软硬件，故障可定位到系统的主要功能模块和电路板级。为了进一步的故障定位，研究了电路板故障的最优检测问题，完善了基于信息理论的优化算法，并提出了基于&对分法&的一种实用的优化算法，故障可定位到电路板的主要功能元件级。在组建的SINS/GPS组合系统实验平台上，针对上述研究内容，进行了大量的实验研究。

This shows, bougie blocks the since that make to serve to enclose an industry at the design of integrated circuit and test, it is the indispensable one part in this industry catenary, its the development that surrounds integrated circuit industry with me contacts grow and develop cheek by jowl.

由此可见，探针卡建造既是办事于集成电路的设计和测试封装工业，又是该工业链中不成或缺的一部门，它的成长和成长是和我围集成电路工业的成长慎密相联系的。

One new usage of the RC integrated circuit is proposed,which uses the RC integrated circuit and the NAND gate to form a timing control switch together,thus realizes the design of guarding against unusually triggers of the ve.

针对这3种情况，对相应电路进行了改进，提出了RC积分电路的一种新的用法，使用RC积分电路和与非门一起形成一个延时控制开关，从而实现了车辆检测器的防非正常触发设计。

Small Outline Integrated Circuit: An integrated circuit with two parallel rows of pins in surface mount package.

小尺寸集成电路：一种有两列平行插脚的集成电路。

The composition voltage, the electric current double closed loop voltage-stabilized source, used the integrated phase shifting crystal thyratron module to do for the electrical energy transformation component, in detail has calculated the rectification main circuit main component parameter; In the pulse-duration modulation part, used the special-purpose integrated circuit to realize the frequency modulation to adjust the pressure, did take IGBT as the power transformation component, realized the output voltage frequency modulation to adjust the pressure, and has calculated the related parameter.

在调压稳压电压源设计中采用二阶工程设计法设计了电压和电流调节器，组成电压、电流双闭环稳压电源，采用集成移相晶闸管模块做为电能变换器件，详细计算了整流主电路主要器件的参数；在脉宽调制部分，采用专用集成电路实现了调频调压，以 IGBT 做为功率变换器件，实现了输出电压的调频调压，并计算了有关参数。

for carrying out a small physical volume and high reliability of the motor driving and control,by using hip4081 chip and aln hybrid integrated technology,a hybrid integrated technology h bridge circuit based on hip4081 is designed to control bidirectional circumrotation and speed regulation of the motor.by practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.the products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.it can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

摘 要：为了实现小体积、高可靠的电机驱动与控制，利用hip4081专用芯片和aln厚膜混合集成技术，设计一种基于hip4081的厚膜h桥电机驱动电路，完成了h桥式驱动电路对电机双向转动和调速的控制。经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

Each encoder contains a lensed LED source, an integrated circuit with detectors and output circuitry, and a codewheel which rotates between the emitter and detector integrated circuit.

每个编码器包含一个透镜LED光源，一个探测器和集成电路输出电路和一个编码轮的发射器和检测器之间的旋转集成电路。

Through to 'the intelligent visible doorbell systems' the topic study and the design, makes me to understand the AT89C51 monolithic integrated circuit the characteristic; Further grasped the monolithic integrated circuit to carry on many machine correspondences the principle; Also locks to the electron with the video frequency, the audio frequency control recuperates the module to have the certain degree to ford into.

通过对&智能可视门铃系统&课题的学习和设计，使我了解AT89C51单片机的特性；进一步的掌握了单片机进行多机通信的原理；也对电子锁和视频、音频的控制调理模块有一定程度的涉入。

Through to %26lsquo;the intelligent visible doorbell systems%26rsquo; the topic study and the design, makes me to understand the AT89C51 monolithic integrated circuit the characteristic; Further grasped the monolithic integrated circuit to carry on many machine correspondences the principle; Also locks to the electron with the video frequency, the audio frequency control recuperates the module to have the certain degree to ford into.

通过对%26ldquo；智能可视门铃系统%26rdquo；课题的学习和设计，使我了解AT89C51单片机的特性；进一步的掌握了单片机进行多机通信的原理；也对电子锁和视频、音频的控制调理模块有一定程度的涉入。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。