aperiodic

简明释义

英[ˌeɪpɪərɪˈɒdɪk]美[ˌeɪˌpɪriˈɑːdɪk]

adj. 不定期的；非周期性的

英英释义

单词用法

同义词

反义词

例句

1.The error bit rate and aperiodic commission may delay the system cycle time differently.

误码率和非周期通信将不同程度延长系统循环时间。

2.And it is further proved that the technique is effective and practical by means of the examples of the extraction of periodic and aperiodic signals.

运用周期和非周期弱信号的检测实例，进一步证明了该方法的有效性和实用性。

3.Aperiodic ticket is widely sold in oversea aviation market. In civil some one airline is also operating it on a few of flight courses.

目前不定期票在国外航空市场已经大量实施，并且国内也有一家航空公司在一些航线上开始运作不定期票。

4.The effects of pulse shape on the chip-asynchronous coherent time-spreading OCDMA system performances are analyzed by the aperiodic cross-correlation function of up-sampled sequence.

采用超抽样序列的非周期互相关函数值，研究了脉冲形状对切普异步时域相位光码分多址（OCDMA）系统性能的影响。

5.The aperiodic cross-correlation function between groups has either uniform IFW or perfect complement.

码组间的非周期互相关函数具有均匀分布的IFW，或者完美理想互补的特点。

6.It is also found that Shanghai copper futures exist one aperiodic length of circulation, and the length is 510 days. This further proves that the volatility of futures prices is non-randomness.

同时发现，沪铜期货存在着一个大约510天的非周期循环长度，进一步证明期货市场价格波动的非随机性。

7.Real-time tasks are divided into periodic tasks and aperiodic tasks, Since two kinds of tasks have different missed feature, it is must to use the different analysis method.

实时任务分为周期任务和非周期任务，由于两类不同任务的超时特性不同，因而分析方法也不同。

8.An aperiodic tiling can cover a surface without repeating any pattern.

一种非周期性铺砖可以覆盖一个表面而不重复任何图案。

9.The research focused on aperiodic systems in physics to understand their unique properties.

研究集中在物理学中的非周期性系统上，以理解它们的独特性质。

10.The aperiodic nature of the weather patterns makes forecasting challenging.

天气模式的非周期性特征使得预测变得具有挑战性。

11.In mathematics, an aperiodic sequence can be difficult to analyze due to its lack of regularity.

在数学中，非周期性序列可能由于缺乏规律性而难以分析。

12.The signal from the sensor is aperiodic, meaning it does not repeat at regular intervals.

传感器发出的信号是非周期性的，这意味着它不会在规律的时间间隔内重复。

作文

In the realm of mathematics and science, the term aperiodic (无周期的) often surfaces, particularly when discussing sequences or patterns that do not repeat at regular intervals. This concept can be applied to various fields, including physics, chemistry, and even computer science. Understanding the nature of aperiodic structures can provide profound insights into complex systems and phenomena. One of the most fascinating examples of aperiodic patterns is found in quasicrystals. Unlike traditional crystals, which exhibit a periodic arrangement of atoms, quasicrystals possess a structure that is ordered but not periodic. This means that while the arrangement of atoms follows a specific pattern, it does not repeat itself in a regular fashion. The discovery of quasicrystals challenged the conventional understanding of crystallography and opened new avenues for research in materials science. Scientists have since explored the unique properties of these aperiodic materials, leading to potential applications in various industries, including electronics and nanotechnology.In addition to materials science, the concept of aperiodic sequences is also significant in the study of dynamical systems. For instance, in chaos theory, certain systems can exhibit behavior that is highly sensitive to initial conditions, resulting in outcomes that appear random and unpredictable. These systems can be described as aperiodic, as their trajectories do not settle into a repeating cycle. This unpredictability has profound implications in fields such as meteorology, economics, and ecology, where understanding the long-term behavior of complex systems is crucial.Moreover, in computer science, algorithms that generate aperiodic patterns can be particularly useful in applications like procedural generation in video games. By creating environments or elements that do not follow a predictable pattern, developers can enhance the user experience, making it more engaging and immersive. The ability to create aperiodic content allows for endless possibilities in game design, as players encounter unique experiences each time they engage with the game.The implications of aperiodic structures extend beyond theoretical discussions; they also influence practical applications. For example, in signal processing, aperiodic signals are crucial for communication technologies. Engineers often work with aperiodic waveforms to encode information efficiently, ensuring that data transmission remains robust and reliable. The study of aperiodic signals helps in developing better algorithms for filtering noise and improving the clarity of transmitted information.In conclusion, the concept of aperiodic (无周期的) patterns is a rich and multifaceted topic that spans various disciplines. From the intriguing properties of quasicrystals to the unpredictable behavior of chaotic systems, the study of aperiodic structures offers valuable insights into the complexity of the natural world. As we continue to explore and understand these phenomena, we unlock new possibilities for innovation and discovery across multiple fields. Whether in materials science, dynamical systems, or computer science, the significance of aperiodic patterns will undoubtedly continue to inspire researchers and practitioners alike.