脉冲

This paper mainly discusses adaptive model algorithmic control based on impulse response model.

本文主要研究了基于脉冲响应模型的自适应模型算法控制。

To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.

双回转机构的步进电机控制电路由TDA1521音频集成功率放大器组成平衡桥式功率驱动电路，由计算机并行口经过锁存器构成脉冲分配器。

The magnetization intensity and direction of AlNiCo PM can be controlled by pulses of d-axis stator current vector.

通过定子直轴电流矢量脉冲控制铝镍钴的磁化强弱和方向，使钕铁硼和铝镍钴产生的磁通共同穿过气隙；或者使钕铁硼产生的磁通部分穿过气隙、部分被铝镍钴在转子内部旁路，利用永磁体的记忆能力使永磁气隙主磁通受控。

The heading determination model based on two total positioning systemis used to calibrate the ship alongshore heading together with the GPS attitude determination equipment, time synchronization system via receiving GPS second pulse to synchronize the two kinds of data is also designed.

结合GPS姿态测量设备，通过采用数据插值融合技术，进行舰船组合航向测量。为了提高组合航向测量的精度，设计了通过接收GPS秒脉冲对两种航向测量数据进行时间同步的系统。

Intelligent nuclear instrument has been a dominant developing direction of radioactivity measurement instrument. The instrument for radon measurement of air pulse ionization chamber, based on the theory that alpha rays decayed by radon and its progeny can ionize the air molecules, can measure the radon concentration accurately.

智能核仪器已成为放射性测量仪器发展的一个主导方向，利用氡及其子体衰变放出α射线能使空气分子电离的理论设计的空气脉冲电离室α测氡仪可以准确地测量空气中的氡浓度。

Some of the parameters are alterable, thus adding flexibility to applications.

由于算法中参数的选择很灵活，可以根据不同应用场合来设计脉冲。

First it produces the pulse signal by the multivibratorwhich is consisted of 555 timer and send in the detecting coil to form the alternating magnetic field, then it asopts UGN3503 linear half-effect as prode to the magnetic field change into the voltage signal change,after enlargement electric circuit and peak value examination electric circuit,the signal be treated to send into ADC0809 modulus converter change moduluses, then the digital signal after the modulus converter is changed is sent into AT89C51one-chip computers afterwards, after the digital filter, AT89C51one-chip computers afterwards compares the data to the reference voltage and judges whether to have detected the metal and alarm.

这个系统是以AT89C51单片机为核心，首先由555定时器构成多谐振荡器产生脉冲信号送入探测线圈以形成交变磁场，然后经过线性霍尔器件UGN3503将磁场变化转换为电压信号的变化，经过放大电路和峰值检测电路，经数模转换之后输入到单片机中，由单片机对数据进行软件滤波之后，与基准值比较之后，判断是否存在金属和报警显示。

Products and Service: DN series data-controlled alternating current projectiong welder ZDN data-controlled commutate spot welder UN data-controlled commutate spot welder DKR\DR capacitance energy storing spot welder FN alternationg and ZFNcommutate sewing welder DM direct current pulse spot welder seam welding machine of protectiong by gas for recti or cirol seam varity of special seam welding machine for poine stich AND DKR-350 capacitance energy storing spot welder has been certified whit national patent and DTN-100/DTN-150 has been honored with technology innovation award.

现主要产品有： DN系列数控交流式点凸焊机。 ZD数控次级整流式点焊机。 UN数控交流对焊机。 DKR、DR电容贮能式点焊机。 FN交流式和ZFN次级整流式缝焊机。 DM直流脉冲式电焊机。直、环缝气体保护焊接专机。各类焊接生产线。其中： DKR-350电容贮能式点焊机获国家专利。

The degradation characteristics of ZnO-glass varistors have it's own features. For the first time, degradation phenomena of varistors under direct biasing, alternative field and pulse current are examined respectively in this thesis.

ZnO-玻璃系压敏电阻的老化有其自身的特点，论文首先分析了压敏电阻在直流、交流和脉冲电流作用下的老化实验现象，在此基础上，分析了各种条件下的老化机制。

It is known that the pulse radar altimeter is an important assembly in the terrain contour matching system.

脉冲雷达高度表内嵌的跟踪与测高算法在很大程度上决定了地形匹配系统的总体性能。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。