Abstract: In this paper, a approach with a tunable null width of the radiation pattern is proposed and validated on a linear patch antenna array. The optimal excitation distribution (OED) is optimized ...

Abstract: In this letter, array null steering is formulated as a sparse recovery problem. In addition, a novel null steering scheme for large arrays by perturbing only a few elements is presented. To ...

在现代软件开发中，代码的优雅性和可读性变得愈发重要，尤其是在处理空指针异常（NPE）时。想象一下，某互联网金融平台因费用计算层级的空指针异常，导致凌晨产生9800笔错误交易。这种惨痛的教训，让我们意识到，判空的重要性不容小觑。 传统的判空 ...

The Java Collection framework provides planning to lie up and handle a set of objects. It permits the developers to admission prepackaged data structures as well as algorithms to operate data. The ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java ternary operator provides an abbreviated syntax to evaluate a true or false condition, ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Agent workflows make transport a first-order ...

I have an Entity with a field of type String[], mapped to a PostgreSQL database with a text[] column. With Spring Data JDBC (Spring Boot 3.3.1), when using JdbcAggregateOperations.findAll API (or ...

In Java, arrays are useful data structures that store elements of the same data type sequentially in memory. Frequently, developers need to determine the size of an array for various reasons like ...