Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Xingjun Ge"'
Publikováno v:
IEEE Access, Vol 11, Pp 64559-64566 (2023)
A beam-steerable wideband reflectarray antenna (WRA) for $C$ -band high-power microwave (HPM) application is presented in this paper. The $C$ -band WRA comprises a multimode conical horn antenna with high power handling capacity (PHC), $25\times25$ s
Externí odkaz:
https://doaj.org/article/2969fea613fe41faa7408cc961d62bc6
Publikováno v:
IEEE Access, Vol 11, Pp 18442-18447 (2023)
With an increase in the input power of a low-magnetic field and high-efficiency transit-time oscillator, the deceleration electric field in the single-gap extractor increases sharply to output a higher-power microwave, resulting in radio frequency br
Externí odkaz:
https://doaj.org/article/684fd01d998649b2af1734298224c660
Publikováno v:
AIP Advances, Vol 12, Iss 11, Pp 115219-115219-6 (2022)
The excitation and suppression of asymmetric modes in a coaxial relativistic klystron amplifier (RKA) with cascaded single-gap bunching cavities are analyzed in this paper. Through theoretical analysis and simulated verification, we find that the asy
Externí odkaz:
https://doaj.org/article/b23a8acb5bc0401488c277b0b02f04c8
Publikováno v:
AIP Advances, Vol 12, Iss 7, Pp 075017-075017-8 (2022)
An improved X-band coaxial transit time oscillator is proposed in this paper. First, the device uses a non-uniform three-gap modulation cavity to improve the clustering of electron beams under a low magnetic field and to increase the depth of the fun
Externí odkaz:
https://doaj.org/article/fec0e14ce0f34425a8f6c6becbafa3c4
A Ku-Band Compact Disk-Beam Relativistic Klystron Oscillator Operating at Low Guiding Magnetic Field
Publikováno v:
IEEE Access, Vol 9, Pp 84170-84177 (2021)
The disk-beam relativistic klystron oscillator (DB-RKO) with the radial-line high frequency structure is one of the attractive high power microwave (HPM) sources due to its specific virtues of weak space-charge effect, high power handling capacity an
Externí odkaz:
https://doaj.org/article/a6132877eaef42c4b7f3c6761ede9fad
Publikováno v:
AIP Advances, Vol 11, Iss 6, Pp 065127-065127-6 (2021)
The energy consumption of high-power microwave sources has attracted much attention in the research field of high-power microwaves. One way of decreasing the energy consumption is to reduce the guiding magnetic field. In this work, a high-efficiency
Externí odkaz:
https://doaj.org/article/6425db140fae4923ad8790ca27ddec49
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015018-015018-7 (2021)
High efficiency and short saturation time have great significance on the practical work of high power microwave devices. A dual-band Cerenkov microwave generator with high-efficiency based on electrical tuning is presented in this paper. Two-segment
Externí odkaz:
https://doaj.org/article/fdbe3a62443c4c40aff56d003285d9fd
Publikováno v:
AIP Advances, Vol 10, Iss 4, Pp 045303-045303-6 (2020)
Coaxial slow wave structures have always been used to enhance the power handling capacity in the relativistic O-type Cherenkov oscillators generally. However, little attention has been paid to the regularity and the problem it may bring by using larg
Externí odkaz:
https://doaj.org/article/429cfed8054d42e494d8357b9a6cafed
Publikováno v:
AIP Advances, Vol 10, Iss 2, Pp 025107-025107-6 (2020)
The radial transit time oscillator (RTTO) is promising to realize high power output of millimeter-waves. Although the radial structure can enhance the power capacity, less cavities and small radial dimension make it difficult to improve the power cap
Externí odkaz:
https://doaj.org/article/9076d743c47849afaf42c5ffc16959eb
Autor:
Peng Zhang, Xingjun Ge, Fangchao Dang, Chao Huang, Chenyu Zhao, Xinbing Cheng, Qiang Zhang, Junpu Ling
Publikováno v:
AIP Advances, Vol 9, Iss 3, Pp 035110-035110-8 (2019)
The mechanism and realization of a cross-band relativistic Cherenkov oscillator based on the cathode adjustment are presented. The device adopts coaxial dual-annular cathode to emit the inner and the outer electron beams, independently. When the inne
Externí odkaz:
https://doaj.org/article/5d1332a77a0b48a39106bcceeb9e560e