標(biāo)題: Titlebook: Viewing and Imaging the Solar System; A Guide for Amateur Jane Clark Book 2015 Springer Science+Business Media New York 2015 Astronomical [打印本頁(yè)] 作者: 誤解 時(shí)間: 2025-3-21 16:09
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書目名稱Viewing and Imaging the Solar System讀者反饋
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作者: 土產(chǎn) 時(shí)間: 2025-3-21 22:43 作者: 河流 時(shí)間: 2025-3-22 01:09 作者: 閃光你我 時(shí)間: 2025-3-22 05:23
Small Fry: Asteroids and Comets, ‘big four’ asteroids, Pallas, Vesta and Hygieia, have about a tenth the volume of Ceres [138]. Between them they contain most of the mass in the Asteroid Belt. Amateurs can only hope to record asteroids as points on photographs. Comets require the techniques of deep space photography to capture the作者: OGLE 時(shí)間: 2025-3-22 10:07
Book 2015em objects, including the planets and moons, the Sun, and comets and asteroids. They might be beginners, or they may have already owned and used an astronomical telescope for a year or more. .Newcomers are almost always wowed by sights such as the rings of Saturn and the moons of Jupiter, but have l作者: SHRIK 時(shí)間: 2025-3-22 15:35
1431-9756 erve and image.Solar System objects.Includes specifics on ho.Viewing and Imaging the Solar System: A Guide for Amateur Astronomers. is for those who want to develop their ability to observe and image Solar System objects, including the planets and moons, the Sun, and comets and asteroids. They might作者: 過(guò)濾 時(shí)間: 2025-3-22 20:32
ethods mainly focus on the calibration of decoder features while ignore the recalibration of vital encoder features. Moreover, the fusion between encoder features and decoder features, and the transfer between boundary features and saliency features deserve further study. To address the above issues作者: Precursor 時(shí)間: 2025-3-22 22:56 作者: 迎合 時(shí)間: 2025-3-23 04:42 作者: resuscitation 時(shí)間: 2025-3-23 08:56 作者: 喧鬧 時(shí)間: 2025-3-23 11:25
Jane Clarkwever, almost all of these studies only focus on discrete or continuous action space and there are few works having ever applied multi-agent deep reinforcement learning (MADRL) to discrete-continuous hybrid action space which is common in practice problems. In this paper, two novel approaches are pr作者: Habituate 時(shí)間: 2025-3-23 16:14 作者: Amenable 時(shí)間: 2025-3-23 21:41
Jane Clarkion information. Contextual information is a significant factor in the task of recognizing image action, which is inseparable from a predefined action class. And the existing research strategy does not ensure adequate use of contextual information. To address this issue, we propose a Contextual Enha作者: 大洪水 時(shí)間: 2025-3-24 00:18 作者: 反話 時(shí)間: 2025-3-24 03:09
Jane Clarkcrepancy. Existing methods mainly focus on bridging the relation between modalities by shared representation learning in the common embedding space. However, due to the outliers, these methods often struggle to build compact clustering subspaces. Besides, these methods also suffer from modality imba作者: allergen 時(shí)間: 2025-3-24 07:34 作者: heirloom 時(shí)間: 2025-3-24 12:00
Jane Clarkowever, domain adaptation presents a significant challenge due to the impact of weather, lighting, and scene context on object detection models. To address this issue, we propose a new method that utilizes pseudo-labels. Our approach involves two modules: the Category-Adversarial-Adaptive (CAA) and 作者: 最初 時(shí)間: 2025-3-24 18:33 作者: 有組織 時(shí)間: 2025-3-24 22:39 作者: echnic 時(shí)間: 2025-3-25 02:09 作者: ANTH 時(shí)間: 2025-3-25 04:17 作者: hidebound 時(shí)間: 2025-3-25 10:15 作者: 外觀 時(shí)間: 2025-3-25 14:06
Viewing and Imaging the Solar System978-1-4614-5179-2Series ISSN 1431-9756 Series E-ISSN 2197-6562 作者: 白楊魚 時(shí)間: 2025-3-25 19:30
Photographing the Moon and Planets,. You might manage a tolerable picture of the Moon; and the brighter planets are at least recognizable if the camera is pointed at a telescope eyepiece. But they are no better than being barely recognizable. This chapter will explain how quite modest equipment will serve you far better.作者: Optimum 時(shí)間: 2025-3-25 23:25
The Planets: What You Can Realistically Expect to See,ce probes had state-of-the-art telescopes and cameras on board, so they sent back some fabulous pictures. Some of them, notably the Cassini probe orbiting Saturn, continue to do so at the time of this writing. The chapter shows the kind of photographs you can expect to take for yourself, and what they show about the planets.作者: FAR 時(shí)間: 2025-3-26 01:43
The Sun, Star of the Solar System, be the main energy transport mechanism between the nuclear reactions at the center and the outside world [111]. Alas, we do not, the chapter shows what you can expect to record for yourself; and shows how such tools as spectroscopy and helioseismology teach us much of what we know.作者: PURG 時(shí)間: 2025-3-26 06:59
Small Fry: Asteroids and Comets, ‘big four’ asteroids, Pallas, Vesta and Hygieia, have about a tenth the volume of Ceres [138]. Between them they contain most of the mass in the Asteroid Belt. Amateurs can only hope to record asteroids as points on photographs. Comets require the techniques of deep space photography to capture them.作者: 推崇 時(shí)間: 2025-3-26 10:48 作者: tendinitis 時(shí)間: 2025-3-26 15:52
Telescope Mounts,Telescope mounts are required if the telescope is to track the apparent movement of the heavens. To do this requires advanced engineering. The reader is shown the types of mounts. The pros and cons of each type are discussed.作者: 完成才會(huì)征服 時(shí)間: 2025-3-26 19:24
Telescopes, Binoculars and Light,Just about every observation we ever make of the Solar System is made using electromagnetic radiation of one form or another. The principles of optics are shown and applied to the available types of telescopes and binoculars. The pros and cons of each type are discussed.作者: 墊子 時(shí)間: 2025-3-26 22:43 作者: 進(jìn)入 時(shí)間: 2025-3-27 02:27
,Earth’s Nearest Neighbor: The Moon,You can actually tell that the Moon is our nearest neighbor. The changing appearance of the Moon is shown and discussed through photographs of the kind you can take yourself. It is shown why lunar craters, seas and oceans are roughly round. It is also shown how to record eclipses of the Sun and Moon.作者: nonchalance 時(shí)間: 2025-3-27 07:56 作者: 爵士樂(lè) 時(shí)間: 2025-3-27 11:19
Observing the Solar System from Your Armchair,NASA puts much of its space exploration data on the Internet, copyright free. Some military stuff is doubtless kept under wraps, but that is also off topic. Since the folks at NASA have been very busy bees since the dawn of space exploration, there is an awful lot of NASA material available.作者: 小木槌 時(shí)間: 2025-3-27 17:34 作者: minimal 時(shí)間: 2025-3-27 21:30
useful internal saliency information. MSFRC is designed to aggregate multi-source features and reduce parameter imbalance between saliency features and boundary features. Compared with previous methods, more layers are applied to generate boundary features, which sufficiently leverage the complement作者: resistant 時(shí)間: 2025-3-28 00:25
Jane Clarkduring the feature transfer and refine the object edges. Finally, these three modules are merged into a unified and end-to-end network to predict the fine-grained boundary-preserving salient objects. Experimental results on three prevailing benchmarks show that our MineNet outperforms other competit作者: 整理 時(shí)間: 2025-3-28 03:54 作者: Foam-Cells 時(shí)間: 2025-3-28 06:40
Jane Clarke attention features extracted based on the dual network are spatially mapped using a multi-layer perceptron (MLP). Then, the interaction dot product of the corresponding channels is performed on the attention features and the mapping features to guide the classification. Finally, to achieve good pe作者: 他很靈活 時(shí)間: 2025-3-28 14:21
Jane Clarklleviate this problem, the second approach, multi-agent hybrid soft actor-critic (MAHSAC) is proposed. It extends hybrid soft actor-critic (HSAC) to multi-agent settings which introduces the idea of maximum entropy to strengthen the exploration of action space. Our experiments are running on a multi作者: NOMAD 時(shí)間: 2025-3-28 15:33
Jane Clarkllation (SAD) to the network training process, thus accelerating the network training and alleviating 38. of the network parameters. Experimental results on benchmark datasets show that LMANet achieves satisfactory performance while significantly reducing the number of parameters.作者: apiary 時(shí)間: 2025-3-28 18:47 作者: Dawdle 時(shí)間: 2025-3-29 02:23 作者: Inculcate 時(shí)間: 2025-3-29 03:57 作者: glans-penis 時(shí)間: 2025-3-29 07:29 作者: Incorruptible 時(shí)間: 2025-3-29 14:14 作者: explicit 時(shí)間: 2025-3-29 19:25 作者: Delectable 時(shí)間: 2025-3-29 22:10 作者: arthrodesis 時(shí)間: 2025-3-30 00:30
1431-9756 s not mean that this book is not for serious amateurs. On the contrary, it is designed to show amateur astronomers, in a relatively light-hearted—and math-free way—how to .become. serious..978-1-4614-5178-5978-1-4614-5179-2Series ISSN 1431-9756 Series E-ISSN 2197-6562
