查询词典 waveform digitization

Waveform of main state variables in dynamic process of CO2 arc welding is given by simulation.

通过系统仿真定量地研究了CO2电弧焊动态过程，给出了负载电压、焊接电流随时间变化的仿真波形和短路过渡型CO2电弧焊系统的相平面图。

The research stated above show that, arc spectrum signal can not only represent the process of droplet transfer, measure the frequency of droplet transfer, but also it has particular time field and frequency field characteristics and corresponding waveform modes for every kind of droplet transfer modes.

上述研究发现，电弧光谱信号不仅可以清晰地反映熔滴过渡的过程，测量熔滴过渡的频率，而且对应每种熔滴过渡形式，光谱信号都有独特的时域和频域特征以及波形模式。

On the basis of cognition of the potential significance of welding arc spectrum dynamic characteristics and with the destination to find out new sensoring method of metal transfer,this paper provided the parasynchronous principle and in turn verified the relationship between the pulses in the waveform of arc spectrum signals and metal droplet transfer with para high speed photography apparatus.

基于对熔化极气体保护焊电弧光谱信号动态特征重要意义的认识，以发现新的熔滴过渡传感方法为目的，本文提出准同步高速摄影法，设计了准同步光谱信号-高速摄影检测装置，验证了光谱信号波形中的脉冲是熔滴过渡所为，它们之间存在着确定的对应关系。

In the end, the waveform and value of electrical potential of winding and armature reaction property curve are gained through electromagnet field calculation, and compare it with the calculation result.

最后，对谐波励磁同步发电机的负载运行进行了计算，得到了基波绕组和谐波绕组的电压大小和波形以及电枢反应特性曲线。

The results show that at close distances, the field waveform is dependent strongly on azimuth; at distance of several hundreds, the ratio of the peak error values at two azimuths may be bigger than 2; at the distance of 1 km, the mean error is less than 10% with a maximum value of 50%.

结果表明，回击电磁场随方位角的变化非常明显，在距闪电通道几百米距离，误差可达2倍；在1 km处，闪电通道的垂直假定对时域回击辐射场峰值计算的相对误差最大为50%左右，平均小于10%。

Although it seemed straightforward to designate a bar code line for each significant transition in the waveform, it is in fact a sophisticated calculation that is required.

尽管对波形图中每个明显的过渡设计一个条形码线看起来似乎简单直观，但这是一种必须的先进计算方法。

SMD-MC34119 Pinout: C Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel C Double PWM Generation, Capture/Waveform Mode, Up/Down Capability One Four-channel 16-bit PWM Controller One Two-wire Interface C Master Mode Support Only, All Two-wire Atmel EEPROMs Supported One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os IEEE 1149.1 JTAG Boundary Scan on All Digital Pins 5V-tolerant I/Os, including Four High-current Drive I/O lines, Up to 16 mA Each Power Supplies C Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components C 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply C 1.8V VDDCORE Core Power Supply with Brownout Detector Fully Static Operation: Up to 55 MHz at 1.65V and 85C Worst Case Conditions Available in a 64-lead LQFP Package

SMD-MC34119引脚说明： C款三输入外部时钟，两个多用途I / O引脚每通道双PWM生成，捕获/波形模式，上/下能力的一个四通道16位PWM控制器一两线接口C中间模式支持，只有在所有两线Atmel公司的EEPROM支持的一个8通道10位模拟数字转换器，四通道复用数字I / O的IEEE 1149.1 JTAG边界扫描所有数字引脚5V容限I / O口，其中包括4大电流驱动I / O线，最多一六毫安C镶嵌每个电源1.8V的稳压器，绘图高达100的核心和外部元件 3.3 VDDIO毫安I / O的电源线，独立电源3.3V的VDDFLASH闪光 1.8 VDDCORE核心电源掉电检测与全静态工作：高达55兆赫和85℃时为1.65V最恶劣条件下以64引脚LQFP封装

Achieve bilateral suppression of carrier signal amplitude of the time-domain and frequency-domain waveform simulation, The default sampling p...

实现双边带抑制载波调幅信号的时域波形和频域波形的仿真，采样点数默认为2^18。

This paper will present a new diode-clamp cascade multilevel converter derived from these two topologies. The novel concept of the new diode-clamp cascade converter is based on the connection of multiple three-level diode-clamp converter modules.The multilevel waveform is synthesized by adding of each converter output voltage.

本文将结合这两种拓扑结构，研究了一种新型的二极管箝位级联多电平变换器，其思想是将数个二极管箝位变换器模型串联起来，其输出电压是通过合成每个二极管箝位变换器的输出电压而形成的。

This thesis presents a new waveform concatenation Chinese TTS system that is based on the TD-PSOLA method. The system has a prosodic-model to control the prosody of synthetic speech.

本文针对现有汉语文语转换系统存在的核心问题，从改进合成方法、完善汉语韵律模型和语言学处理模型等几方面展开研究工作，并以此为基础研制出了一个高清晰度高自然度的汉语文语转换系统KX-PSOLA。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。