阵列

Thus, the experiment system realized the function of generating capacitive power or absorbing inductive power.A new driving and protecting circuit based on FPGA for IPM is designed and it provides the secondary dead-time compensation to ensure the IPM to work safely.

应用现场可编程逻辑阵列器件EPM7032LC44设计了对智能功率模块IPM的驱动和保护电路，通过原理图与VHDL语言相结合的设计方法实现了对IPM的智能性死区补偿，保证了IPM的安全运行和可靠触发。

ArrayExpress accepts three types of submission, arrays, experiments and protocols, each of these is assigned an accession number.

ArrayExpress提供三种类型的提交，阵列，实验和实验方案，它们中的每一个都分配一个登录号。

This thesis compares the characteristics of secondary batteries used for the underwater system in order to find a proper power source that is suitable for the system. Moreover, the low-cost integrated circuit and buck-type converters are used to obtain the required voltage levels for the devices in the system such as the underwater acoustic modem, single board computer and vertical line array hydrophone with condition amplifiers.

中文摘要本文针对常用於水下遥测系统之二次电池进行特性比较，以选用适合作为其电源之电池，再将电池输出电压经低成本之类比IC与降压型转换器转换至符合本系统设备如水下数据声传器、水下遥测单版电脑与垂直阵列麦克风讯号放大器等所需之电压等级。

Finally, the application of this method in array acoustic logging signal processing is proposed.

最后介绍了重排方法在阵列声波测井信号处理中的应用。

A method to make a polished lens-less light emitting diode array entails adhesively mounting light emitting diodes to an etched circuit board.

一种制造抛光无透镜发光二极管阵列的方法，其中需要用粘合剂将发光二极管(10)安装到经蚀刻的电路板(12)上。

The introduction of arcs in arrays for better coverage meant an increased angle between adjacent speakers, and also revealed problems in the behavior of frequencies.

采用弧阵列更好的覆盖，意味着增加相邻角，也发现存在的问题的频率。

The introduction of arcs in arrays for better coverage meant an increased angle between adjacent speakers, and also revealed problems in the behavior offrequencies.

采用弧阵列更好的覆盖，意味着增加相邻角，也发现存在的问题的频率。

A dynamic monitoring and identifying system of Fe2O3 series gas sensors for the research of electronic nose is introduced. The system has 6 channels to input 0~2.5V voltage signals, measures system temperature, makes thermoregulation for sensor with hardware and has LCD screen and voice function. The heating circuit using TL494 chip and PWM mode is realized. Offline and online identification is realized. The hardware design is based on 16 bits MSP430F149 microcontroller. The software design for digital acquisition and identification based on Windows operating system is compiled by Visual Basic 6.0. The test results show that friendly interface, simple operation, accurate data, reliability and stability are obtained. The real-time monitoring for all of the sensors in aerometry or identification can be realized by BP ANN.

介绍了一种用于电子鼻研究的Fe2O3系列气敏传感器阵列动态测试、控制和识别系统；该系统能够同时采集6路0~2.5V的模拟电压信号，测量系统温度、硬件对传感器进行温度补偿，同时具有液晶显示和语音功能；加热电路用TL494芯片采用PWM方式实现，能实现脱机和联机两种不同的识别模式；以16位单片机MSP430F149为核心设计了硬件系统，用Visual Basic 6.0设计了基于Windows操作系统下的数据采集与模式识别软件；该软件界面友好，操作简单，数据结果准确，运行可靠、稳定，既可以长时间实时显示各传感器的全部动态响应过程，又可以用BP神经网络进行模式识别。

Spontaneously, it can control the output power of quartz light array to achieve the rapid heating control by adjusting the output voltage, and control radiation equilibrium temperature of test piece surface to simulate the aerodynamic heat environment of aerosphere when aerospace plane enters again.

同时，通过调节输入电压的大小，可以控制石英灯阵列的输出功率，实现对快速加热的控制，通过控制试件表面的辐射平衡温度来，模拟空天飞机再入大气层的气动热环境。

The aggravating part of menopause is that there are arrays of things that can occur with your body during this time.

日趋严重的一部分，更年期的是，有阵列的事情可能会发生与您的身体在这段时间。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐