標(biāo)題: Titlebook: Reconfigurable Antennas; Jennifer T. Bernhard Book 2007 Springer Nature Switzerland AG 2007 [打印本頁(yè)] 作者: 清楚明確 時(shí)間: 2025-3-21 17:38
書(shū)目名稱(chēng)Reconfigurable Antennas影響因子(影響力)
作者: 令人悲傷 時(shí)間: 2025-3-22 00:09
Definitions of Critical Parameters for Antenna operation, frequency response) and the radiation characteristic (or radiation pattern). Usually, frequency response is considered first because without a reasonable input impedance match, a transmitting system may suffer from severe reflections that could damage other components and waste power, whereas recei作者: 輕打 時(shí)間: 2025-3-22 00:49
Linkage Between Frequency Response and Radiation Characteristics: Implications for Reconfigurable Aistinct characteristics in both, as described in Chapter 2. The way antennas function as parts of circuits has direct consequences for how they behave as radiators, and vice versa. This, of course, leads to the conclusion that the reconfiguration of one property, say, frequency response, will have a作者: Shuttle 時(shí)間: 2025-3-22 07:54 作者: Thyroxine 時(shí)間: 2025-3-22 10:56
Methods for Achieving Radiation Pattern Reconfigurability, radiation is typically characterized with a set of two-dimensional radiation patterns taken from major cut planes of interest, with three-dimensional patterns used occasionally to obtain a qualitative assessment of the antenna’s performance. In this lecture, we will typically examine cut planes of 作者: 競(jìng)選運(yùn)動(dòng) 時(shí)間: 2025-3-22 13:20
Methods for Achieving Compound Reconfigurable Antennas,tics. Indeed, this ability to independently select operating frequency, bandwidth, and radiation pattern characteristics is the ultimate goal of reconfigurable antenna designers. Recently, several groups have achieved this kind of reconfigurability, here termed 作者: foreign 時(shí)間: 2025-3-22 20:03
Conclusions and Directions for Future work, However, there are still very few reconfigurable antennas in use today. Why? There are several answers to this question, and they each point to a promising area of future research and development in this field.作者: 使更活躍 時(shí)間: 2025-3-23 00:22
Introduction, category possesses inherent benefits and detriments that make them more or less suitable for particular applications. When faced with a new system design, engineers change and adapt these basic antennas, using theoretical knowledge and general design guidelines as starting points to develop new structures that often produce acceptable results.作者: deforestation 時(shí)間: 2025-3-23 02:07 作者: CODA 時(shí)間: 2025-3-23 07:09
Book 2007nced techniques and examples that offer important new capabilities for next-generation applications. Antennas are necessary and critical components of communication and radar systems, but sometimes their inability to adjust to new operating scenarios can limit system performance. Making antennas rec作者: anaphylaxis 時(shí)間: 2025-3-23 10:38 作者: fledged 時(shí)間: 2025-3-23 17:40 作者: 萬(wàn)靈丹 時(shí)間: 2025-3-23 18:39 作者: institute 時(shí)間: 2025-3-24 00:43 作者: indubitable 時(shí)間: 2025-3-24 02:57 作者: 老人病學(xué) 時(shí)間: 2025-3-24 07:52
978-3-031-00407-0Springer Nature Switzerland AG 2007作者: Bumptious 時(shí)間: 2025-3-24 12:04
Reconfigurable Antennas978-3-031-01535-9Series ISSN 1932-6076 Series E-ISSN 1932-6084 作者: KIN 時(shí)間: 2025-3-24 15:53 作者: 內(nèi)疚 時(shí)間: 2025-3-24 19:33
Methods for Achieving Compound Reconfigurable Antennas,tics. Indeed, this ability to independently select operating frequency, bandwidth, and radiation pattern characteristics is the ultimate goal of reconfigurable antenna designers. Recently, several groups have achieved this kind of reconfigurability, here termed 作者: anchor 時(shí)間: 2025-3-25 01:48
Conclusions and Directions for Future work, However, there are still very few reconfigurable antennas in use today. Why? There are several answers to this question, and they each point to a promising area of future research and development in this field.作者: aplomb 時(shí)間: 2025-3-25 03:52 作者: Detain 時(shí)間: 2025-3-25 09:14 作者: Inflammation 時(shí)間: 2025-3-25 15:03 作者: GULF 時(shí)間: 2025-3-25 18:57 作者: 暫時(shí)休息 時(shí)間: 2025-3-25 20:47
Jennifer T. Bernhard The purpose of this chapter is to highlight the strategies that these economically and socially marginalized youth employ to survive and thrive despite the great uncertainty of their environments. Multiple livelihood strategies are relying on many different activities within or across sectors; mixe作者: indigenous 時(shí)間: 2025-3-26 03:15 作者: 取回 時(shí)間: 2025-3-26 07:48 作者: CT-angiography 時(shí)間: 2025-3-26 09:46 作者: flavonoids 時(shí)間: 2025-3-26 16:07
t the same time, a powerful sense of a shared European identity has prevailed: in 1991 ‘Ode to Joy’ was played at Slovenia’s proclamation of independence and the EU flag was waved by anti-Soviet demonstrators in St Petersburg. One is quick to associate these events with rapid political changes over 作者: objection 時(shí)間: 2025-3-26 16:58 作者: beta-cells 時(shí)間: 2025-3-26 23:42
Jennifer T. Bernhardcal training. In contrast to the commonly-reported opinion that there has been decline in medical students’ empathy, this book contends that student empathy in fact increased during their training. This new stu978-3-030-11211-0作者: 平淡而無(wú)味 時(shí)間: 2025-3-27 02:16
Book 2007 additional capabilities that may result in wider instantaneous frequency bandwidths, more extensive scan volumes, and radiation patterns with more desirable side lobe distributions. Written for individuals with a range of experience, from those with only limited prior knowledge of antennas to those作者: 詢(xún)問(wèn) 時(shí)間: 2025-3-27 07:38
, and explores the balance of scientific biomedical versus psychosocial approaches in medical training. In contrast to the commonly-reported opinion that there has been decline in medical students’ empathy, this book contends that student empathy in fact increased during their training. This new stu作者: 燈泡 時(shí)間: 2025-3-27 09:43
Jennifer T. Bernhardn. By combining primary and secondary data, this chapter provides insights into the viewpoints of entrepreneurs, investors, and policymakers regarding the current regulatory landscape. This study will explore potential strategies to alleviate the negative impacts of stringent regulations on entrepre作者: 色情 時(shí)間: 2025-3-27 16:42
Jennifer T. Bernhardearch questions. Through our analysis of the selected academic papers, we provide valuable insights into the definition of faith-based entrepreneurship and its three areas: Islamic entrepreneurship, Halal entrepreneurship, and the Islamic digital economy. In addition, we explore the essence of this 作者: 恭維 時(shí)間: 2025-3-27 18:47
Jennifer T. Bernhardshows how young people cope with the precarity in the world of informal work. Survey and interview data show youth engaging in multiple and mixed livelihood strategies, including differences between genders and rural and urban areas. The findings offer practitioners and decision-makers who lead and 作者: 宿醉 時(shí)間: 2025-3-28 00:08
Jennifer T. Bernhardrship in Nigeria. This research identifies opportunities for sustainable entrepreneurship in Nigeria, barriers to its adoption, and how Nigeria can take a cue from more developed countries in promoting sustainable entrepreneurship. The study’s findings add to the current literature on sustainable en作者: 傷心 時(shí)間: 2025-3-28 05:11 作者: chiropractor 時(shí)間: 2025-3-28 07:49
Jennifer T. Bernhardf India.. However, the British presence in the Mediterranean was not paltry, and Napoleon’s entourage narrowly escaped British fleets before setting foot in Alexandria. News of Napoleon’s invasion spread rapidly, and one alarmed British traveller residing in Constantinople, John Tweddell, wrote home作者: tenosynovitis 時(shí)間: 2025-3-28 13:55
d ended the Cold War dichotomy between West and East which had helped define ‘Western’ identity since the Second World War. Today, it is more difficult for the British to sustain a separate identity, without a politically and ideologically . nation on the other side of the Continent.作者: 貨物 時(shí)間: 2025-3-28 15:35
Practical Issues for Implementing Reconfigurable Antennas,作者: Ptosis 時(shí)間: 2025-3-28 21:57 作者: 確定方向 時(shí)間: 2025-3-29 00:22 作者: 我怕被刺穿 時(shí)間: 2025-3-29 04:45 作者: perimenopause 時(shí)間: 2025-3-29 09:30
Book 2019en k?nnen: ..Welche Hoffnungen, Einstellungen und Werte sind für ein erfülltes und harmonisches Leben f?rderlich und welche halten den Menschen in einem selbst gebauten Gef?ngnis fest?.Was kann der Einzelne tun, um in einer bedrohlich erscheinenden Welt zu einem Leuchtturm der Hoffnung für sich und 作者: Adenocarcinoma 時(shí)間: 2025-3-29 12:32
