CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91358474ec89d083',cH: 'iugGdoUk8DM1MoWP8nNvKKRigYJ_j8_lngPgrVUXmxY-1739792581-1.2.1.1-c0UqTN9MRHd91HmMMZhY5pPJGgX172yTSu844aDHICxUiUOM0wgOxDmpOCAon_iv',cUPMDTk: "\/abstracts\/search?q=antenna%20array&__cf_chl_tk=gIsflfV44Iktw4uq4gcClIHuDCrGFVHQQUQ_zGupGFI-1739792581-1.0.1.1-cblmzZMCCPgb07DHoexYxoru94jUnfWmCtxK0OELDuM",cFPWv: 'b',cITimeS: '1739792581',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=antenna%20array&__cf_chl_f_tk=gIsflfV44Iktw4uq4gcClIHuDCrGFVHQQUQ_zGupGFI-1739792581-1.0.1.1-cblmzZMCCPgb07DHoexYxoru94jUnfWmCtxK0OELDuM",md: "VkpOSuLH4DT3nXbAzA.jf7.I_rcvRdN09zRbR9gQUs4-1739792581-1.2.1.1-XXyUZ8O9XTvs2imxED0LsAJT1Whl.ccbzDTF7ynBi2Ap3fTapRZX8ndARSFsPg2dDdt3Lz6yW.4R_YLjrug.OZgBClVbdMxd_TS6ayyUZIY5T5.90Y4esbMRss.uWRcRASIMC0dwpwRXeOF.71hDi2inKxa.9HPFRQSs9hI3T9cjpPIeh8evO_ZCa72M5zNOthr05yhVooMMeiBWKZm6GKuDxu5U46pbGlfyaSVIwzwoBlTqujemngrOrunYj_x82qA9c6B.yP7POjMzpo7NUSK00CYPNun7NP9pewT7GO4wgMX4pJKc3GZe.nLKY2EsZa8cuteMKQaHJo2wDwYQ0dK8b0GSfkQPtdIj3jUhjZpH3Xd5SXhOhNPeTw843R24waD8dAp.WwQaVBD4yupYnM2uICEeSOglp7GF58.2Rqmxohy46t2ZI7bS1gt9Jn6QWavyi2bzDFeDKmmO0of23NCHEpu2ah_2qbafLss8e.T8ESpDzvUiKN.9F3VtwLLIvoXzID.cRs7BOQS5TfvFQ51QW_7u7eIzxRnvVdn1sCZO71ipSM5v06.Fz5JlIdUiLyFCO8FThpQfOxBbYbSE85gCKDuuVbP8hdXYyNHZGDvuJeIGcRg4BoFyP9NJSACZeyAGLH_Rvi4EkzRFB7CsPHhAcetUGTUIZf36k23PHPYxukPzYnN4dB9wTVRvS.SjX04.1F9Al6YaBhf.AP5DoyaIQQhl_byr7qXRxweZOG7kjSBe_cdIwCMPuFTPPJ7.SVP.rjMRBWaMpx0NtURhs7bSZ4Uh7K1bQs7W.78EBp0p.5IxhDgtF_MVNSv56kDITfu5zjHlqC1l8WpLzl6oGPV63QHKKmKnXOBjQi.udxZwEhlZXVmObgqT3BoCm._KCUieAbpZTb7w8BLbTIopEePwbJGpSclyPcai98MjibCgF1G7pAdrjD_NFClw9YfAX.VkRMZeAfR4crZNo2k1w79ZKWb0SvFYMCb7RhACADuKCVGphRd56dycNKrkZiiwX.hZS5YIzWqGV8A3hWgUaTsETeCAx_asqz1wm1NxVW_cgkaUx40LBstnpQ13wTrSzobYuvGD.nTXy217t10DsHR8zLg_L_AZ6PUo4TQ2Itm3lO96DBaJO16rFXp46i0RwGoXWUQlX2AR4GPhVtq2KRS4u8dIilRouM6ejgqeyHjPFyBQ7eZPpikrSmu7Z1iiKs0UM9QP_It6bFwY5kRKtNhBx7q6vb323EwgfzjIILkv2UbaUkXkKsiXF36DpEXsm8W.bJJ82HXRryrpWOHfpS0TFzMLE5awu3t2IMKwtWoT1uhm1K365XWoa3bll7_D5MVIUR_.x4oj1Zo2pmIvPfm4rskggaRDE4D2LPm8tRMMjH.ydCiEk7jkL1AhHpAMKXzna0kpvlIuHLRjxnT0dDW8RRMg_cV4F0fe3VIF5gA3FeWgYnr.cJGohGVpew9zfYDhMwVcOaQnsNEklzffeqsfNwbYxnOvtsmUqh2LV7BrMwCS6pE9xkaE3S0KWvBPppJsshVKOzPAm4ehQ0BBtYnCvuw3AOyzBBSCkwdWQ8LDpgG0UEhlb2zLvEobFbdYKij0NY_mZDXXL50g1NrEHTZhh1qwgrG5I0FL54BZ5naiPEg.HW9.RUsTbMRLsb2i4VDJwdYHl2jTJMkz6i1FMmxQasBxiBoRGsYtgR8_JQtsYHu7zyOqpZrfywhqw.gmUPmVg8g_bww_sO5nHP6f5WeH19s.IXyAT.YeQAjqBgfXF9shtP9aoAhxqlIlJCRaxa5hsrAyTg9fnvYhrv0pxza_h7mCFxQgcM5Vpg.ouHjQxsYli.m9bUppEu_tNCf0GsM8ij6FS2J8sM42A1yITDaxEF1JvVus7.A9pJuDnROU.yriqr4lRTOVJreLNt9oJUPunHTLhEveh_Pl68fCqN7SUPGocShRaIUv2NJTTA0",mdrd: "s8nUXGk3JpEjoVmTQMQSCiJY_VC4fonpjcCiw.XxgB4-1739792581-1.2.1.1-NZ0uVTbhqy9rHCVcZ2ROgxUHOaQlHRbmy3ORh.Itq0.t1kK2.CIjiOM9xylJ3R6f.GTBmwBxBWD67vmF7JIWkinakGSPNZObwOyYV313UihS1PKTNQnW_sGSX5R0GLl5OdvHDiPEcgzie9ky3EFvrr8wRC.ffmhKNhLYdluKPd3N8h49hU_aLfOr5iVq7ePgF3UwzNIQw9w3EftNwXVgefVhqctM15AF62REhGYCE4d.zAyMC2trAEGpk7z8yz_rl6D3BYaqmM_Crv3Haskmcg3mXBk5uCxs93rMjiZMLrSsVSHG6Hv4eACbzhsMfH2nXATHoRhAjUshYpQAGxZoakiyEeKfb6HWSxhAevyFxcZSyWbo.PvrKO5J2nCFI.z4Cjtafqm81Apst.ZA7R0qslS5bij9P_SXk7L6PV4f_ZjFWrTLPHQJbfk9_29bk0dsCZSEbQDBk3DyEladyxBunQF_.87tKroYAg8AcQOAa04tL613LZlIjUYM3INDQMG.njBePr2LyJUx8aeCoIj.3Z0NKhx9vxux3JC_S3KDdyxFAfiRXxoeDD_2v8c3gXmdaOelz3EQGDHicXv5zuCCuxXI8uCz7I3VBAIlgZnISfX8cOBClzWbP86oYTZMU5uhEpr.xm_zVJ7CjVxhrDxzHTGvx5cZP23tFfnz8mAEzvUariOaBxzycv3bvhFg6SP8iFbZw_qW0Qj8EjyVg4SPlEzk5joUnLTZ7AJdy8BUuD8YKmkx7t2XrlHBCOX4_PvsCwV.Dy68zpNvYeydjmfzoBjVCH.m7WfhG2_IUuD7t_r4yth_mbUcPZ4dHU6.BjFkBTUdBqAFfehdhGEgr4kxbU8yh95AUvp9CQBQ_wxI1pFuE7IDPFy9P_qvYfqygn_NJqnQk_DVP8Ab4.LJYcIfXSFKT2IrBzGPgAb.JHo1fdgiEAKAv2j95Zu9LrzVnSIza4y57akLD4ELCS3ubOQLQmQyYUQfUk.y7go2_yYNc.bQ_0Ehjw02OFsmbK3g.ZlK8V_5ua8y.qIBoDngCnHc.yQW3chmyoTWuWHLrJ498Q9JIZTmQvyz3.JErRTO1qfeZCLfSLkyO9qdAwAJKvco3FCDF0rsXFkAX.g5kGPtqUJZA_x5GQtCkm9xjwtXLoeF6u3OlUJkAH77ESnmD6.YvGLg577R1eWPUHXf4voqIADkjqn0ReH1RPUYk8q1b8a3mmyS59Z3WWo7FGXyl6mTjR0lqUM8Fh8ijNDiwl2FgR16zQzFsW5yCOGdIUxeLvRScJf15cNZ.D6_j0AUij1i4fxaMZXC9_lhNU3EKEtVq95wygkcucQ7MAyjGwzC9DntG6qdYQ_LxAAnyf3a.ME.G6_RjOJ2XfS6a.y0R7eKedPPIEorsSl3BjUW5eeF7WdAlLoRu32IlOEkJO1BpPaTQ3xXAVOmdO2wclsi_soTT_kk8.copbjh61KBDGYhkfvjPNBXZKYSc56cbmWCe7tPgxetnHg4iAS6fsHZMicT_35bZzR4R0mqs2bok4clx9fCK5bQm5neNC024iPyfSHq8uzN3Vu5ICavV7ArfynDuW6ulHQmD3RzszHKBgle26h3Sym5XDgOSYOLOyuDWcpKA_pOoiZ1LsPgO4vZ0bONt6EWgdQpEzcJUGWnzBZyuFRa9MX7SOT0O_rrKmjy90tEr3IkrZl5.9juR0GYVGCPJ5xQa.LnL3bUm0wGbZneoWe2oOMuoyRLcd6bVcFJ7vy.qjERnDenrrSuFJlY1yNmksvqmVsv6BM3tXx.Y7Tr28SZ.SCIUEkPF82YjiVqFDddKdauRRmdTqSPFf.tEZSZwXQ9BtcQn3Hgmf.3nsacif8OcLeg85afqOygF2vuMqVJSYwfmqHszY6wzqxauPXc3FJvRptFTrHYqdB_80v5ije0.By185cF6VVLOh4aSed8kQ62VviiFviDnawP41IszrTK.vBdBlCu5SPiFo_8wMjx"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91358474ec89d083';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=antenna%20array&__cf_chl_rt_tk=gIsflfV44Iktw4uq4gcClIHuDCrGFVHQQUQ_zGupGFI-1739792581-1.0.1.1-cblmzZMCCPgb07DHoexYxoru94jUnfWmCtxK0OELDuM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>