half-cycle
英 [hɑːf ˈsaɪkl]
美 [hæf ˈsaɪkl]
n. 半周期
复数：half-cycles
双语例句
- Now consider the case of a half-cycle shift A between the identical functions.
现在考察一下在两个相同函数之间移1／2周期A的情况。 - A half-cycle difference causes cancellation.
相差半个周期则引起抵消。 - These losses are associated with the rearrangement of the magnetic domains in the core during each half-cycle.
这些损失是联系在一起的磁域的核心在每半母。 - It is based on the widely used analogue "half-cycle peak ratio" technique, form which it differs by being entirely digital, no additional analogue signal processing or other hardware is required.
提出一种基于“半周期峰值比法”的周期识别新技术，它是全数字化的，不需使用任何附加的模拟电路和硬件支持。 - Some of the downward first motion records from the nuclear explosions is probably that of th second half-cycle of the initial wave owing to lower signal-to-noise ratio.
或许是由于低信噪比的原因，记录到的是初至波的第二个半周； - Under AC voltage, the luminance of DCEL devices may show characteristics of positive or negative half-cycle, or complex characteristics of both positive and negative half-cycle, depending on the phosphors, the art of devices, the forming process and operation voltage.
在AC条件下依材料、工艺、形成条件和工作电压的不同，DCEL器件可能更多地显示出正半周，负半周或两半周综合的光电特性。 - With this feedback, the density of the half-cycle pulses in the synthesized output is modulated by the amplitude of the reference signal.
这个面积的平衡导致输出半个周期脉冲的密度由参考信号的幅值来控制。 - The drawing method for half-cycle in the matrix is discussed, and an example of application is given in the paper.
本文中讨论了矩阵中半循环的随机抽取方法，给出了应用实例。 - On the contrarily, in negative half-cycle of AC voltage DCEL devices are operated by low electric field and large current.
在负半周时则是低电场和大电流激发下的发光。 - Placement technique and imaging valuation of aortic half-cycle stent-graft: experimental study
主动脉半周覆膜支架置入技术及影像学评估的实验研究 - The middle-term to the long-term base-level cycle sequences appear to symmetry structures being made of the two half-cycle of rising and falling. And there are obviously corresponding marks in the different profiles.
中&长期基准面旋回由上升、下降两个半旋回构成对称型结构，在不同剖面中对应标志明显； - Objective To explore the placement and location technique of aortic half-cycle stent-graft and to observe the exclusive efficacy and influence to aortic hemodynamic of stent-graft.
目的探索主动脉半周覆膜支架置入、定位技术并观察封堵效果及对血流动力学的影响。 - Firstly, with LiH molecules as an example, a scenario used for controlling molecular orientation was suggested with an infrared laser pulse and a delayed half-cycle pulse.
首先以LiH分子为例研究了利用一束红外激光脉冲和一束时间延迟的太赫兹半周期脉冲实现场后分子定向的方案。 - 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。 - By means of inverse Fourier transform technique and convolution theorem, the semi-analytical solution for the velocity response of a pile undergoing half-cycle sine pulse at the pile head is obtained in the time domain.
在此基础上，利用Fourier逆变换和卷积定理，求得了半正弦脉冲激励作用下桩顶速度时域响应的半解析解。 - Algorithms based on periodic function model contain full-cycle fourier algorithm and half-cycle fourier algorithm and are adapt to extracting the fundamental component.
周期函数模型算法分为全周波傅氏算法和半周波傅氏算法，最适合微机保护计算基波分量。 - The discharge currents in positive half-cycle of the applied voltage are different from that in negative half-cycle.
在三种模式中，电流脉冲在外加电压的正、负半周表现出不同性质。 - The current waveform is different in the positive and negative half-cycle voltage, caused by the asymmetric electrode structure.
分析表明，由于非对称的电极结构使得在电压的正负半周放电强弱不同，进而电流波形不同。