Discharge voltage, current and impulse duration have direct influence on material removal rate, but with the material removal rate rising the roundness is not always decreased. 电压、电流和脉宽主要影响材料的去除率,但大的材料去除率并不意味着高的整形效率。
The impulse is dependent upon the duration of the shock wave as well as its pressure. 脉冲的大小又取决于冲击波的延续时间及其压力。
In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top. 在该公式中,桩端土的静阻力可以直接从桩顶的加速度信号中获得的桩顶回弹和冲击力持续时间计算得到,并且计算结果和土阻尼无关。
According to the tests on human body, The threshold of perception and the threshold of pain for impulse currents of short duration is gaven. 通过实际测试,确定了人体对于短时脉冲电流的感觉阈值和疼痛阈值。
An impulse radio-ultra wideband ( IR-UWB) system which transmits signals with nanosecond duration pulses leads to a high demand for the sampling rate of analog-to-digital converters ( ADC), usually more than GHz. 由于脉冲超宽带系统传输数据采用纳秒级脉冲信号,这对接收端的模数转换器(ADC)提出了很高的要求,需要GHz以上的高速率ADC进行采样。
For a constant impulse, the energy of the ringing noise of the plate-like and beam-like structural parts decreases by about 10 dB and 12 dB respectively when the duration τ doubled. 冲量不变时,板类结构和梁类结构的自鸣噪声随τ的倍增,分别下降10dB和12dB左右。
Gaining the rules between correction distance and the impulse power, correction angle, correction time, the numbers of impulse engine, duration of one impulse. 通过仿真,得出了修正力大小、修正角度、修正时刻、发动机工作级数、单脉冲持续时间等因素对弹丸修正距离的影响规律。
Owing to the protection by the cell wall, we could enhanced markedly the impulse amplitude and duration in causing the membrane breakdown of the intact cells. 对完整细胞作电击穿操作,可大大提高脉冲的幅度和时程。
A further empirical test based on impulse response function points out the fact that the duration of response of technology spillover towards a unit deviation standard shock of absorptive capability is much persistent than towards that of technology gap. 基于VAR系统的脉冲响应分析结果表明吸收能力对技术外溢的动态冲击效应具有较为长久的持续期,而技术差距对技术外溢的动态冲击作用相对较短。
After that, we give the regions of the dynamic stability on the parameters of the values of stationary magnetic field, the apexes of transverse impulse magnetic field, and the impulse duration. 在此基础上,给出了关于稳态磁场值、横向脉冲磁场峰值和脉冲持续时间等参数范围的磁弹性动力稳定性区域。
The influence of impulse duration, direction, and damage position, extent on the velocity wave at the impulse action point is addressed. 研究了脉冲持续时间和作用方向、损伤位置和程度对脉冲作用点速度波的影响规律。
Therefore, by adding neighbor boiler impulse start system, the consumption is reduced and duration is shortened in the process of start after over-haul, accordingly achieve better economic benefit. 因此可以通过改造,加装邻炉冲转系统,使得机组在大修后的启动过程中减少大量消耗并节省许多时间,从而获得较好的经济效益。
A preliminary exploration of the technique for generating submicrosecond stress impulse is performed by means of plate impact experiment with a light gas gun. Impulse duration of 180 ns has been obtained. 利用轻气炮建立的平板碰撞技术,对亚微秒脉冲宽度的应力波试验技术进行了初步探索,获得180毫微秒的脉冲宽度。
Results The peak pressure of underwater blast wave was markedly higher than that of air blast wave. Compared with air blast wave, the impulse of underwater blast wave was much greater, although the positive duration was some shorter. 结果水下冲击波的峰值压力明显高于空气冲击波的峰值压力,尽管正向持续时间比空气冲击波短,但冲量仍明显大于空气冲击波。
As IR-UWB ( Impulse Radio Ultra Wide Band) is with narrow duration in time domain and high resolution, IR-UWB imaging technology has been extensively studied. Based on its advantages in transmitting information, the integration of detection, imaging and communications can be achieved. 由于IR-UWB(ImpulseradioUltraWideBand)信号时延窄、分辨率高的特点,基于IR-UWB的探测成像技术得到了广泛的研究,借助其传输优势,可实现探测、成像、通信一体化。
Impulse response analysis is dynamic describes the steel industry crisis for other industries impact strength and impact duration. 脉冲响应分析则动态的描述了钢铁行业危机对其它行业冲击的强度和冲击持续时间。
By using Granger causality test, VAR model, Variance decomposition and impulse response function methods to analysis the change of spillover effects and its influencing duration before and after the sub-prime crisis. 本文采用了Granger因果检验、VAR模型、方差分解分析和脉冲响应函数的方法来分析次贷危机发生前后溢出效应及影响时间的变化。
Currently, impulse sources with duration of nanosecond and peak power of several GW can be manufactured, which make it possible to utilize impulse detection devices for practical applications. 目前技术已经能够制造出纳秒级、峰值功率在几个GW的脉冲源,脉冲探测装备的实用化已成为可能。
Direct Sequence-Ultra WideBand ( DS-UWB) systems use low-duty-cycle pulse trains having very short impulse duration to transmit signals. 直接序列扩频超宽带(DS-UWB)系统采用低占空比的窄脉宽脉冲序列传输信号。