In this paper, we present a simple design of a feed network for the antenna to achieve a lower side lobe level. Side Lobe Levels (SLL) are critical issues in the detection of an object. Higher side lobe levels can increase the false detection of objects in an autonomous vehicle system. The array is designed and simulated for four different frequencies, one at a time to make it a scalable design. The chosen frequencies are 10 GHz, 15 GHz, 20 GHz, and 24 GHz. The feed network design consists of eight patch elements with an equal power divider and CST studio software is used for simulations. From simulation results, it can be observed that VSWR is equal to 1.26, 1.16, 1.62, and 1.05 at respective frequencies. So, the radiation efficiency can be achieved as -1.14 dB, -0.92 dB, -0.46 dB, -0.41 dB. The results substantiate that proposed design can reduce the SLL more than -24.5 dB in the elevation plane and also it is greater than 14.4 dB at all the aforementioned frequencies.
Today’s well know technology is mobile applications and mobile application development depends on demand skills after the invention of smartphones. The current mobile market shares are divided into two powerful technologies giant Android and iPhone. The Native Android mobile applications development Java-Kotlin are used, and on the other hand, for iPhone Apps are used Swift and Objective-C native IOS development. Those applications of Android and iPhone increased the development process and cost the development cost. Recently, cross-platform proved that developers quickly develop Android and iPhone applications with the same code known as a cross-platform mobile application, reducing company and customer effort and cost. In this research paper, the performance is compared between React Native Vs Flutter and efficiency, effectiveness, compatibility, community growth, documentation, Architecture, developer productivity, and Testing Automation Support CI/CD Support.
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