perturb
英 [pəˈtɜːb]
美 [pərˈtɜːrb]
v. 使焦虑; 使不安
过去分词：perturbed 过去式：perturbed 第三人称单数：perturbs 现在分词：perturbing
BNC.18847 / COCA.21889
牛津词典
verb
- 使焦虑；使不安
to make sb worried or anxious- Her sudden appearance did not seem to perturb him in the least.
她的突然出现似乎一点也没有令他不安。
- Her sudden appearance did not seem to perturb him in the least.
柯林斯词典
英英释义
verb
- throw into great confusion or disorder
- Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt
- disturb in mind or make uneasy or cause to be worried or alarmed
- She was rather perturbed by the news that her father was seriously ill
- cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull
- The orbits of these stars were perturbed by the passings of a comet
- disturb or interfere with the usual path of an electron or atom
- The electrons were perturbed by the passing ion
双语例句
- What perturbs me is that magazine articles are so much shorter nowadays.
让我不安的是现在杂志文章都短多了。 - Molecular fluorine reaction with Si ( 100) 2 × 1 does not perturb the Si-Si dimer bond and the reaction virtually ceases at one monolayer of F coverage for F_2 at low incident kinetic energy.
F2与Si（100）2×1反应并不扰乱Si-Si二聚键，在F2入射平动能低时反应实际上在氟的复盖度为一个单层上停止进行。 - Venus, Earth, and other planets also perturb Mercury's motion.
金星，地球和其他行星也使水星的运动受到摄动。 - Apply high-order sliding mode to deal with the problem in fast dynamic systems with perturb
高阶滑模在具有扰动的快变动力控制系统中的应用 - The initial solution has little effect on the algorithm: when the algorithm is trapped into a local optimum, it needs to perturb the best-so-far solution and continue the searching process, while the perturbation strength has significant effect on the performance of the algorithm.
该算法对初始解不是很敏感：当算法陷于局部极小时，需要对当前最优解做扰动并继续搜索，此时扰动强度对算法的性能有明显的影响。 - The scheme has biggish innovations on power amplification, automatism rearrange, perturb resisting, signal attenuation preventing, real time video frequency signal surveillance etc.
该设计方案在功率放大、全自动倒换、抗干扰、抗信号衰弱、实时视频信号监控等方面都有较大创新。 - The method of array auto-calibration for wideband sources is discussed. A new method is proposed. This method can calibrate the unknown error of sensor gain and phase, array shape perturb and sensors coupling by assistant sensors.
利用辅助阵元，针对存在阵元通道幅相误差、阵元位置误差、阵元间互耦的阵列，提出了宽带非平稳信号模型下阵列误差自校正的方法。 - For the perturb& observe algorithm, if the tracking step is short enough, the tracking accuracy will be ideal, but with more iteration.
如果跟踪步长选取的比较小，扰动观测法的跟踪精度也比较理想，但迭代次数较多。 - Headache, fever, minor bruises and just simple difficulties and challenges in day to day life perturb us, sadden us.
头痛，发烧，轻微的擦伤和只是简单的困难和挑战，在一天一天的生活打乱我们，我们痛心。 - Research on Variable Perturb Step MPPT Control of Photovoltaic System
光伏发电系统变步长MPPT控制策略研究