negative pulse
英 [ˈneɡətɪv pʌls]
美 [ˈneɡətɪv pʌls]
网络 负脉冲; 负脉波
双语例句
- When the desired speed is dropped abruptly from 120 to 10 and back to 60, you see a negative pulse of the thrust, while the actual speed is decreased to around 70.
当理想速度从120突然下降到10又返回到60时，您会看到一个负方向的推力脉冲，而实际的速度下降到了70左右。 - Research on the Generation of Negative High-voltage Pulse Using Avalanche Transistor
用雪崩三极管电路生成高压负脉冲技术研究 - Theoretical analysis and numerical simulation of compression to negative chirp pulse based on dispersion-shift fiber ( DSF) using distributed Raman Amplification.
该文对分布式拉曼放大的色散位移光纤（DSF）负啁啾光脉冲压缩进行了理论分析和数值模拟。 - Protection characteristics of the links of a system of negative high-voltage pulse power supply for ECRH are studied. Corresponding protection circuit has been designed.
研究了ECRH负高压脉冲电源系统各环节的保护特性，设计出相应的保护电路。 - Selecting suitable pulse duration ratio and negative pulse can be improved property of the zinc coating corrosion-resisting and also can be reduced hardness and brittleness of the zinc coating. This is a new discovery of pulse plating.
选择合适的脉冲占空比和负脉冲，可以提高镀锌层的防蚀性能，并可降低镀层的硬度与脆性，是脉冲镀的一个新发现。 - Using confining pressures simulation drilling system, the experiments of the negative pressure pulse jetting assisted drilling were tested.
利用中围压模拟钻进试验系统进行了负压脉冲射流辅助钻进效果试验。 - After theoretical analysis and circuits simulation, the driving waveform generating circuits were designed and implemented and it can generate several types of driving waveforms, such as wide pulse, narrow pulse, ramp pulse, negative pulse, etc.
经理论分析、计算机模拟和实际测试，此电路能够实现控制信号的传递，产生正确的输出，并能够产生宽脉冲、窄脉冲、斜坡脉冲、负脉冲等信号。 - The available vibrational temperature of N_2 C3 ∏_u excited state at atmosphere in negative pulse corona discharge is obtained by measuring the relative fluorescence emission intensity of different vibrational energy levels of the same excited state.
依据荧光发射强度正比于激发态粒子数原理，通过测量同一激发电子态不同振动能级所发射荧光的相对强度，得到了大气情况下负脉冲电晕放电n2激发电子态c3∏u的有效振动温度。 - Experimental Study on Electrostatic Spraying of Negative High-voltage Pulse Corona Charge
高压脉冲负电晕荷电喷雾试验研究 - A novel morphological filter based digital noise removal method most suitable for eliminating positive and negative pulse disturbance is presented.
该文提出了一种适合于滤除正、负脉冲干扰的基于形态滤波器的数字滤波方法。 - Finally, the propagation of ion matrix sheath boundary during the negative pulse duration is calculated.
最后计算了在负偏压脉冲持续时间内离子阵鞘层边界的扩展。 - The paper introduces three basic working styles of signal transmission of mud pulse MWD sys tern, pressure positive pulse, pressure negative pulse and continuous pressure wave.
介绍了泥浆脉冲随钻测量系统信号传输的3种基本工作方式：压力正脉冲、压力负脉冲和连续压力波。 - Changing proportion between positive and negative pulse in a proper range can raise decontamination effect. It is the chief reason that the reverse pulse can remove hydrogen and oxygen to reduce passivation to electrodes, which absorb on surface of electrodes.
而降低正负脉冲比反而在一定的范围内可以提高去污效率，主要是反向脉冲除去电极表面吸附的氢、氧，降低电极钝化。 - Study on the protection characteristics of a system of negative high-voltage pulse power supply for ECRH
ECRH负高压脉冲电源系统保护特性研究 - Three different electrode geometries ( star shape wire-plate, needles-plate and plate-plate) and varied forms of voltage such as positive high voltage, negative high voltage, positive pulse voltage, negative pulse voltage and alternative voltage were tested.
实验中我们使用了三种电极结构（星形线板，针板和板板）和不同波形的高压如正高压、负高压、正脉冲、负脉冲和交流高压等。 - Study on the High Negative Voltage Pulse Power Supply for ECRH
ECRH负高压脉冲电源的研究 - The differential response caused by the intrinsic property of the BR molecule happened in microsecond time scale, and it produced a negative pulse when light is on and a positive pulse when light is off.
BR分子本身特性引起的微分响应是发生在微秒时间量级，而且在光打开时产生一个负脉冲，在光关掉时产生一个正脉冲。 - A study of the transistor power source used for the guided short circuiting transfer tyre co_2 shielded arc welding with negative pulse current
负脉冲电流诱导过渡CO2焊接用晶体管电源的研究 - Moreover, in the comparator circuit unit, we realize the function-the detection of the number of positive and negative electric pulse.
在比较器电路单元设计方面，实现了分别检测正、负半周的脉冲个数的功能。 - The negative square pulse with different parameters have the function of selectively exciting various A-fibers and ( 3) the compound action potential recorded was different, when the common peroneal nerve trunk was stimulated by the positive and negative square pulse with the same parameter.
不同参数的负方脉冲具有选择性激活不同A类纤维的作用。（3）相同参数的正方脉冲与负方脉冲刺激腓总神经干时，所记录到的复合动作电位不同。 - Influence of negative pulse on aluminum alloy micro-arc oxidation
负脉冲对铝合金微弧氧化的影响 - The removal of NO by means of negative pulse streamer corona
负极性高压脉冲电晕脱除NO的研究 - Experimental Studies of Negative Pulse Jet Assisted Drilling
负压脉冲射流辅助钻井模拟试验研究 - Experiments on Negative Pulse High-voltage Breakdown on Water Switching in the submicrosecond Regine
亚微秒负脉冲高电压击穿的水介质开关特性的实验研究 - The Design Concept of a Current-Mode Negative Pulse Output Pulse-Width-Modulator
SW1847电流型负脉冲输出脉宽调制器设计原理 - When the initial chirp of optical pulse is nonzero, the initial negative chirped pulse is compressed in positive dispersion fibers, the compression ratio decreases with the increase of the peak power of the input pulse;
当光脉冲的初始频率啁啾不为零时，负啁啾脉冲在光纤正色散区被压缩，随着初始脉冲峰值功率的增高，脉冲的压缩比减小； - This paper presents the calculating formula of drilling mud pulse transmission speed. and analyzes influences of drilling mud composition and properties, pipeline feature and drilling mud type on positive and negative pulse transmission speed.
提出了钻井液脉冲传输速度的计算公式，分析了钻井液的组分及性质、管道特性以及钻井液类型等因素对正、负脉冲传输速度的影响。 - It was also found that a negative pulse causes a positive charge accumulation when the peak is sufficient high and the pulse width is sufficient small.
峰值足够高且脉宽足够窄的负极性脉冲也导致反极性充电。 - The width of polarization negative pulse is decided by the comparison of the battery voltage, the charge current, battery temperature etc, which collect by the controller, and the value set in advance. By doing this, it can adapt various periods of charging requirements.
其中，去极化负脉冲的宽度，由控制器采集到的电池端电压、充电电流和电池温度等信息与预先所设定的值进行比较而确定以自适应各个时期的充电要求。 - In contrast to the positive plasma jet, there are some specific features in the plasma jet driven by a negative pulse. The notable features are the existence of a narrow cathode fall region near the tip electrode and the absence of quasi-neutral ionized channels.
而在负脉冲驱动下，等离子体射流中没有准中性区域的存在，且在阴极附近存在着一个非常窄的阴极位降区。