作者: tattle 時(shí)間: 2025-3-21 23:10
Propagation of Electromagnetic Waves Through the Atmosphere,of the attenuation and extinction of wave propagation. The transmittance is a function of numerous variables: wavelength, distance, temperature, barometric pressure, gaseous mixture, rain, snow, dust, aerosols, bacteria and, in more detail, the size of particles of all these constituents. The limita作者: 恭維 時(shí)間: 2025-3-22 00:49 作者: 配置 時(shí)間: 2025-3-22 07:03 作者: 縱火 時(shí)間: 2025-3-22 09:32 作者: Pelago 時(shí)間: 2025-3-22 16:07 作者: Pelago 時(shí)間: 2025-3-22 20:43
Calibration of Electro-Optical Distance Meters,ment correction IC [see Eq. (12.13), for example] is added to distance measurements to obtain the correct distance. It has been shown previously that the instrument correction is a function of a number of independent variables, the most important being distance, temperature and time. The instrument 作者: 遵循的規(guī)范 時(shí)間: 2025-3-23 00:58
The Single Eye: Mary Russell Mitford,iew of the fact that a small number of errors must be calibrated by the user of EDM instruments and that errors occasionally exceed the specified accuracy and may change with time, the user must be aware of the main error pattern of instruments.作者: 西瓜 時(shí)間: 2025-3-23 02:55
They Exist But Have Not Yet Communicated,correction is determined for a particular instrument-reflector combination. All distance-dependent and the constant terms require re-evaluation when using the distance meter with another type of reflector.作者: 取之不竭 時(shí)間: 2025-3-23 06:37 作者: 幼稚 時(shí)間: 2025-3-23 12:14 作者: artifice 時(shí)間: 2025-3-23 15:37 作者: 魔鬼在游行 時(shí)間: 2025-3-23 19:19
Idology in Transcultural Perspectived slope distance) measurements and the centring of measured zenith angles and slope distances from satellite stations to their respective centre stations. This section then concludes with fully worked examples for the reduction to the spheroid of the measurements of a short and a long EDM line.作者: LVAD360 時(shí)間: 2025-3-23 23:26 作者: 擴(kuò)張 時(shí)間: 2025-3-24 02:26
Errors of Electro-Optical Distance Meters,iew of the fact that a small number of errors must be calibrated by the user of EDM instruments and that errors occasionally exceed the specified accuracy and may change with time, the user must be aware of the main error pattern of instruments.作者: 打擊 時(shí)間: 2025-3-24 09:52 作者: 離開(kāi)可分裂 時(shí)間: 2025-3-24 11:25
Textbook 19903rd editionlished in 1978 by the School of Surveying, Universi- ty of New South Wales, Sydney, Australia. Like its predecessors, this totally revised third edition is designed to make the subject matter more readily available to students proceeding to degrees in Survey- ing and related fields. At the same time作者: 騷擾 時(shí)間: 2025-3-24 16:20
Textbook 19903rd editionuments in Chapter 1, some fundamental laws of physics and units relevant to EDM are revised in Chapter 2. Chapter 3 discusses the principles and applica- tions of the pulse method, the phase difference method, the Doppler technique and includes an expanded section on interferometers. The basic worki作者: 施魔法 時(shí)間: 2025-3-24 20:29 作者: Colonnade 時(shí)間: 2025-3-24 23:31 作者: 頌揚(yáng)本人 時(shí)間: 2025-3-25 07:12 作者: Alveolar-Bone 時(shí)間: 2025-3-25 09:15 作者: 法官 時(shí)間: 2025-3-25 12:43 作者: 雪崩 時(shí)間: 2025-3-25 16:08
https://doi.org/10.1057/9781137404008r c, to describe the distance value d′ actually displayed on a distance meter..where d′ = the distance displayed on the EDM instrument,.c. = the velocity of light in a vacuum,.Δt′ = the measured “flight” time of the signal to the reflector and back,.n. = the reference refractive index of the instrum作者: EXULT 時(shí)間: 2025-3-25 21:39 作者: 法官 時(shí)間: 2025-3-26 00:29 作者: 殖民地 時(shí)間: 2025-3-26 07:45
The Single Eye: Mary Russell Mitford,ment or phase measurement principle. The errors may be inherent to the electrical and optical design and/or caused by manufacturing and component tolerances. The magnitude of these errors is kept small by the manufacturers and usually accounted for in the accuracy specifications of instruments. In v作者: 殺蟲(chóng)劑 時(shí)間: 2025-3-26 12:03
They Exist But Have Not Yet Communicated,ment correction IC [see Eq. (12.13), for example] is added to distance measurements to obtain the correct distance. It has been shown previously that the instrument correction is a function of a number of independent variables, the most important being distance, temperature and time. The instrument 作者: Obverse 時(shí)間: 2025-3-26 15:40
Springer-Verlag Berlin Heidelberg 1990作者: AORTA 時(shí)間: 2025-3-26 18:49 作者: 發(fā)起 時(shí)間: 2025-3-26 21:59
Idol Temples and Crafty Priestsbsequently processed in a three-dimensional network adjustment, it has to be reduced to the equivalent spheroidal distance on a geodetic reference surface, for example the Australian Geodetic Datum. Selected methods of reduction to the spheroid will now be reviewed, prior to a discussion of additional corrections and computations.作者: CT-angiography 時(shí)間: 2025-3-27 02:36
Velocity Corrections to Measured Distances,r c, to describe the distance value d′ actually displayed on a distance meter..where d′ = the distance displayed on the EDM instrument,.c. = the velocity of light in a vacuum,.Δt′ = the measured “flight” time of the signal to the reflector and back,.n. = the reference refractive index of the instrument.作者: 啤酒 時(shí)間: 2025-3-27 09:11 作者: 他去就結(jié)束 時(shí)間: 2025-3-27 12:50 作者: 粗俗人 時(shí)間: 2025-3-27 16:25
Understanding Your Brain Imaging,There are many ways to measure distances by electronic means. Four basic principles will be presented although only one will be discussed in greater depth.作者: Admonish 時(shí)間: 2025-3-27 18:54
Kazuyoshi Kuwano,Jun Araya,Hiromichi HaraEDM instruments are classified according to the type of carrier wave employed. Instruments using light or IR waves are classified as .. Instruments based on radio waves are generally called .. Because of the different structure of these two types of instruments, they will be discussed separately.作者: magenta 時(shí)間: 2025-3-27 23:39
Patrick W. Galbraith,Jason G. KarlinDistance meters featuring visible light or near infrared (NIR) radiation as carrier waves are called electro-optical EDM instruments. These carrier waves follow the laws of geometrical optics; normal telescopes are used for transmitting and receiving the signals.作者: CLAIM 時(shí)間: 2025-3-28 06:01 作者: 制度 時(shí)間: 2025-3-28 08:08
https://doi.org/10.1007/978-3-476-04937-7Power sources are very important in electronic distance measurement as no power means no distance measurements. The most common types of power sources are:作者: 碎石 時(shí)間: 2025-3-28 12:16 作者: Tidious 時(shí)間: 2025-3-28 14:48 作者: 尖叫 時(shí)間: 2025-3-28 21:11 作者: Conjuction 時(shí)間: 2025-3-29 02:32 作者: 閃光你我 時(shí)間: 2025-3-29 03:58 作者: Fibroid 時(shí)間: 2025-3-29 10:26 作者: 戲法 時(shí)間: 2025-3-29 12:07
http://image.papertrans.cn/e/image/306265.jpg作者: 畏縮 時(shí)間: 2025-3-29 17:59 作者: 發(fā)源 時(shí)間: 2025-3-29 21:18
Transactions on Computational Science IX The key reference for the present chapter is Arnold and Strauss (1991). However it should be mentioned that results due to Besag (1974), in a stochastic process setting, anticipate some of the observations in this chapter.作者: 金絲雀 時(shí)間: 2025-3-30 03:06 作者: 使乳化 時(shí)間: 2025-3-30 05:57
https://doi.org/10.1007/978-3-662-49025-9igkeit und Verfügbarkeit der umzuwandelnden Energieform Grundlage von Investitionsentscheidungen..Ein hoher Umwandlungsgrad ist nicht gleichbedeutend mit hoher Wirtschaftlichkeit. Brennstoffzellen und Kombinationskraftwerke, die bei der Umwandlung von chemischer in elektrische Energie den h?chsten W
