half cycle
英 [hɑːf ˈsaɪkl]
美 [hæf ˈsaɪkl]
网络 半周期; 半循环; 半个周期
双语例句
- Effects of major parameters ( equivalence ratio, flow rate and half cycle) on the NO, CO emission were observed and analyzed.
结果表明，相对于单向流动，往复流动有更好的燃烧排放效果。 - The distribution of advantaged reservoir is closely related to their position in the sequence and mainly developed at the half cycle of increasing and the early of the descending base level cycle. Study on the Formation, Distribution and Effectiveness of Reservoir Fractures with Oil and Gas
有利储集相带主要分布于基准面上升期和下降期的早期。油气储层裂缝形成、分布及有效性研究 - During the half cycle of cooling, the sample tends to restore its original shape. However, because the plastic compressive deformation formed before cannot come back, the crack opens gradually.
在降温半循环中试件有恢复原有形状的趋势，但由于升温半循环中生成的压缩塑性变形不可恢复，裂纹逐渐张开。 - The AVR performs this function by controlling the duration of the current through the inductor on each half cycle via the thyristors.
AVR通过晶闸管来控制每半个周波中流过电感器电流的持续时间来执行此功能。 - Since heating power is symmetric for each half cycle of applied voltage, the principle component of this hum is twice the line frequency ( and even harmonics of the line frequency).
由于交流供电在所加电压的每半周是完全对称的，所以这种原理所导致的HUM成分会两倍于市电频率（以及市电频率的偶次谐波）。 - Measurements of tooth natural vibration half cycle T/ 2 and ratio of amplitude attenuation η was done according to tooth vibration excited by instantaneous impact.
用瞬态碰撞激震测定牙固有振动半周期T／2和减幅系数η。 - Profiles of temperature at each time step during one half cycle of the 2-D model are similar with those of 1-D model.
利用二维模型，得到了与一维模型相类似的温度场和温度变化趋势； - The half cycle has little influence on the peak of temperature, but when the half cycle become longer, the outlet temperature will become higher;
半周期对燃烧器的最高温度没有明显的影响，但是半周期越大，燃烧器的出口温度也越大； - When the glow background appears under a certain discharge condition, the spatial wavelength and the filaments density remain constant and the number of discharge pulses of each filament in half cycle changes from one to two.
在一定的放电条件下，斑图涌现出辉光背景，此时空间波长与放电丝密度保持不变，但放电丝每半周期放电脉冲数由一次变为两次。 - This article shows that on pumping wells which have certain flowing capabilities the yield of oil can be greatly increased by utilizing the principle of inertia pumping, making the piston pumping at the preceeding half cycle and flowing at the latter half cycle.
本文提出，在有一定自喷能力的抽油机井中，利用惯性抽油原理，使柱塞上行的前半周抽油，后半周喷油，可以大幅度提高油井产量，从而使系统效率提高。 - A novel Dual-Buck Inverter ( DBI) is proposed in this paper, the system adopts hysteresis current control, achieves non-biased half cycle mode and improves system's efficiency.
对一种新颖的双Buck逆变器（Dual-BuckInverter，简称DBI）进行了分析和研究，该逆器采用滞环电流控制策略，实现了无偏置电流半周期运行模式，提高了系统效率。 - The dead-time effect is evaluated by averaging the voltage deviation over a half cycle of the inverter.
死区效应引起的电压偏差可以等效为一个与电流相为相反的方波。 - The temperature distributions inside the porous medium combustor were measured at various working parameters ( fuel-air equivalence ratio, gas flow velocity and half cycle period).
对各种工况参数（燃料空气当量比、气体流速、循环半周期）下多孔介质内轴向温度分布进行了系统的测量。 - By finding the derivatives of the phase differential currents of the magnetizing in-rush currents and then comparing the first half cycle with the second half.
提出利用差电流导数的前半波与后半波作对称比较以区别励磁涌流和故障电流。 - The results show that the final discharge in the last half cycle decided the first breakdown in this half cycle by analyzing the sequence among three current pulses in a half cycle.
实验分析了半周期有三次电流脉冲时放电的时序关系，发现上一个半周期放电的最后一个电流脉冲决定了本半周期第一次击穿的时间。 - The smaller the gap width, the bigger the number of current pulses per half cycle.
放电间隙越窄，半个周期内形成的脉冲数目越多。 - The biomechanical principle of compression steel plate of gear contact half cycle and channel type for humerus fracture
齿接触半环抱槽式加压钢板固定肱骨骨折的生物力学原理 - The results of simulation prove that the Half Cycle DFT algorithm for active power filter has a good performance.
通过运用于有源电力滤波器的仿真研究，证明半周期DFT算法具有较好的实时性，补偿效果良好。 - New fault and fault direction detection algorithms using secondary output of measurement TA are presented in this paper. Fault is detected by measuring waveform interruption angle, and fault direction is determined using waveform samples before TA saturation in each half cycle.
通过分析测量电流互感器（TA）饱和的特点，提出通过检测TA输出波形是否出现间断现象来检测配电网故障，并利用每一周波TA饱和前的输出计算故障方向、电流幅值等信息。 - The balance process of the magnetic potential self-balance circuit for the single core during half cycle was discussed.
分析了磁势自平衡回路在半个周期内单铁心磁势自平衡的工作过程。 - Half cycle modulation control strategy is adopted to reduce the switching losses and conduction losses.
采用电流半周期调制方式，减小了功率管的开关损耗和导通损耗。 - The full-cycle fourier algorithm needs one cycle of sampling data and needs at least one cycle to respond; although the half-cycle fourier algorithm only need half cycle of sampling data, the precision of it is not as good as the full-cycle fourier algorithm.
全周波傅氏算法需要一个周期的采样值，响应时间至少为一个周期；半周波傅氏算法的数据窗虽只有半周，但其精度比全周波傅氏算法差。 - In order to further allay supply line noise, after confirmed the modulus maxima points, this system determine whether the arc is burning and half cycle through the distance between maxima points.
为了进一步消除供电线路噪声的影响，系统通过计算奇异点间的距离，来判断奇异性点是不是具有周期性，从而判断故障电弧是否真正燃烧及燃烧的半周期数。 - The results show that the multiple current pulses appeared per half cycle due to the feedback electric field generated by charges accumulated on the dielectric surface.
实验表明，积累在介质表面的电荷产生的反向电场，是导致放电电流形成多个脉冲的主要原因。 - A pulse appears in the half cycle of current in uniform glow discharge of helium and argon. But with the increase of voltage, the numbers of current pulses increase and pulse amplitude decrease.
氦气、氩气均匀放电时在每半个周期内出现单电流脉冲；但随着电压的升高，电流脉冲的数目增加，幅度降低。 - In the vertical section, coal bed locates on the late rising half cycle of base level cycle.
在垂向上，煤层位于基准面旋回上升半旋回的晚期。 - The temperature profiles in the burner, the lean flammable limit and maximum half cycle are predicted by a piecewise linear function, which is applied to inert porous medium combustors with reciprocating flow in the absence of heat loss to the surroundings.
利用分段线性函数，构建出燃烧器内的温度分布曲线、贫可燃极限和最大半周期。该解适用于绝热条件下往复式惰性多孔介质燃烧器。 - In the sequence of the multi-pulse period-doubling bifurcation, the multiple current pulses appear only in the half voltage cycle ( in positive or negative half cycle).
然而在多峰倍周期分岔序列中，多峰只出现在半个电压周期内（或电压的正半周期或电压的负半周期）。