Zobrazeno 1 - 10
of 1 675
pro vyhledávání: '"millimeter-wave (mmW)"'
Autor:
Hayle, Stotaw Talbachew a, ⁎, Wang, Chia-Peng a, Lin, Hsiao-Mei b, Lu, Hai-Han a, Huang, Xu-Hong c, Okram, Kelper a, Chung, Yu-Chen a, Bai, Yu-Yao a, Lu, Jia-Ming a, Hsu, Wei-Wen a
Publikováno v:
In Optics Communications March 2025 577
Publikováno v:
IEEE Open Journal of the Solid-State Circuits Society, Vol 4, Pp 212-225 (2024)
This article proposes an mm-wave fractional-N all-digital phase-locked loop (ADPLL) employing a reference-waveform oversampling (ROS) phase detector (PD) that increases its effective rate four times, consequently improving jitter at lower power consu
Externí odkaz:
https://doaj.org/article/3e9b751d67cb48dc97fdfa60220d5cb9
Autor:
Danle Ma, Jiawei Zhu, Runjie Diao, Ruiping Liang, Huiming Li, Jun Huang, Hui Tang, Yue Cao, Jian-Xin Chen
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1440-1445 (2024)
A simple and low-cost shared aperture antenna module for 5G N78 and N257 applications is proposed. This module integrates a microwave (MW) patch antenna and a millimeter wave (MMW) substrate-integrated waveguide (SIW) slot antenna. The MW part employ
Externí odkaz:
https://doaj.org/article/2cc2a910ee0b41a59950c14dd822322c
Publikováno v:
IEEE Access, Vol 12, Pp 138180-138191 (2024)
This paper presents a BiCMOS low-noise amplifier (LNA) operating at G-band (140 to 220 GHz) that is robust against harsh operation conditions, namely large temperature variations and radiation exposure. A SiGe technology (IHP’s 0.13- $\mathrm {\mu
Externí odkaz:
https://doaj.org/article/7112626058d8425dba913919428506a8
Autor:
Giulia Sacco, Maxim Zhadobov
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 3, Pp 318-328 (2024)
With the massive deployment of 5G worldwide the entire population is expected to be exposed to millimeter waves (mmWs), representing new frequencies recently introduced into our environmental electromagnetic (EM) background. From this perspective, th
Externí odkaz:
https://doaj.org/article/79ce541db4a7441eaf3274e151cc1e7c
Publikováno v:
IEEE Access, Vol 12, Pp 47283-47295 (2024)
In this paper, an efficient method of sparse MIMO array design is proposed to enhance the millimeter-wave near-field imaging by utilizing the geometric properties of the virtual array with uniform coverage of two-dimensional aperture and the minimal
Externí odkaz:
https://doaj.org/article/a08d6c274cc940b58ddaf76f0b97c6c6
Publikováno v:
Heliyon, Vol 10, Iss 12, Pp e32871- (2024)
A novel scheme for a frequency 32-tupling millimeter wave (MMW) radio over fiber(ROF) system without the bit walk-off effect is proposed. The operation principle and feasibility of our proposed scheme are theoretically analyzed and verified with simu
Externí odkaz:
https://doaj.org/article/48345c49a4e3413ca3283c431b285711
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2640 (2024)
This paper presents exploratory work on the use of Testing with Concept Activation Vectors (TCAV) within a concept-based explanation framework to provide the explainability of millimeter-wave (MMW) radar target recognition. Given that the radar spect
Externí odkaz:
https://doaj.org/article/7c40271ab2ae4af4932b280667575cbf
Publikováno v:
Photonics, Vol 11, Iss 5, p 410 (2024)
A novel inserting pilot scheme to generate and distribute a frequency 16-tupling millimeter wave (MMW) radio over fiber (ROF) system without the bit walk-off effect via Mach–Zehnder modulators (MZMs) is proposed. The operation principle is analyzed
Externí odkaz:
https://doaj.org/article/f42694d8bd984475984049b3c12b5611
Publikováno v:
IEEE Access, Vol 11, Pp 115854-115864 (2023)
Millimeter wave imaging systems are being rapidly applied to indoor security, industrial nondestructive evaluation and automotive radar systems. Millimeter wave real-time imaging is the ultimate goal of many applications. However, in order to achieve
Externí odkaz:
https://doaj.org/article/f7a70e750db44ffe9933f752a9070266