• No results found

Spectral and Broadband Measurements

Broadband measurements of aerosol extinction in the ultraviolet spectral region

Broadband measurements of aerosol extinction in the ultraviolet spectral region

... neglecting spectral dependence Refractive indices were retrieved from extinction cross sec- tions for each PSL diameter using the method described in ...section measurements by each of the two BBCES ...

17

Broadband Spectrum Survey Measurements for Cognitive Radio Applications

Broadband Spectrum Survey Measurements for Cognitive Radio Applications

... in broadband measurements due to switching the antenna or changing the system ...Secondly, spectral data, from the overview, calculates not only utilization of the spectrum but also the dependence of ...

9

Validation of Spectral and Broadband UV B (290   325 nm) Irradiance for Canada

Validation of Spectral and Broadband UV B (290 325 nm) Irradiance for Canada

... averaged spectral and broadband ...calculating spectral irradiances under clear skies, at wavelengths less than 305 nm where absorption by ozone is high, and at large solar zenith ...and ...

17

Errors in determining broadband ultraviolet irradiances from spectral measurements

Errors in determining broadband ultraviolet irradiances from spectral measurements

... spectroradiometer measurements for determining the biologically effective and broad band UV irradiances depends critically on procedures employed in the calibration ...of spectral irradiance on the standard ...

13

Broadband cavity-enhanced absorption spectroscopy in the ultraviolet spectral region for measurements of nitrogen dioxide and formaldehyde

Broadband cavity-enhanced absorption spectroscopy in the ultraviolet spectral region for measurements of nitrogen dioxide and formaldehyde

... from broadband sources are less efficient in the ultraviolet spectral ...ultraviolet spectral region, with greater absorption and scattering losses in the mate- ...BBCEAS measurements in the ...

12

Validation of ozone monitoring instrument UV satellite data using spectral and broadband surface based measurements at a Queensland site

Validation of ozone monitoring instrument UV satellite data using spectral and broadband surface based measurements at a Queensland site

... the spectral irradiances from satellite compared to the ground based measurements has showed that for the cloud free cases at 324 nm, the median is higher than ...the broadband UVA solar noon ...

17

Measurements of spectral snow albedo at Neumayer, Antarctica

Measurements of spectral snow albedo at Neumayer, Antarctica

... measured spectral albedo, a thorough consideration of errors and uncertainties in the measurements is ...slight spectral dependence of the albedo in the UV has been ...the spectral de- ...

15

Spectral response measurements of Perovskite solar cells

Spectral response measurements of Perovskite solar cells

... Measuring in the dark improves the measurement signal, how- ever, as shown in the previous section, it introduces a significant error in both the EQE scale and shape, affecting also the MMF correction for I–V curve ...

7

Measurements of spectral snow albedo at Neumayer, Antarctica

Measurements of spectral snow albedo at Neumayer, Antarctica

... measured spectral albedo, a thorough consideration of errors and uncertainties in the measurements is ...slight spectral dependence of the albedo in the UV has been ...the spectral de- ...

16

Measurements of spectral snow albedo at Neumayer, Antarctica

Measurements of spectral snow albedo at Neumayer, Antarctica

... measured spectral albedo, a thorough consideration of errors and uncertainties in the measurements is ...slight spectral dependence of the albedo in the UV has been ...the spectral de- ...

15

Broadband and Spectral Shortwave Calibration Results from ARESE II

Broadband and Spectral Shortwave Calibration Results from ARESE II

... compared measurements on the lowest altitude legs, which are referred to here as albedo ...these measurements were made between 100 and 400 m above the surface at the beginning and/or end of the ...Surface ...

17

Data flow of spectral UV measurements at Sodankylä and Jokioinen

Data flow of spectral UV measurements at Sodankylä and Jokioinen

... The components of the online NRT processing scheme are described in Fig. 6. Processing of all the data from both sta- tions is done at a single central Unix server. The raw (Level 0) data are transferred from the Brewer ...

11

Atmospheric effect on the ground-based measurements of broadband surface albedo

Atmospheric effect on the ground-based measurements of broadband surface albedo

... Although a lot of thorough scientific work concerning the diffuse and direct fraction of solar radiation has been carried out (e.g. Marsden et al., 2005; Pinty et al., 2005; Kaskaoutis and Kambezidis, 2009), the effect ...

14

Broadband ultrafast photoprotection by oxybenzone across the UVB and UVC spectral regions

Broadband ultrafast photoprotection by oxybenzone across the UVB and UVC spectral regions

... Analogous experiments were performed for photoexcitation at 243 nm. TAS of OB-cyclohexane and OB-methanol are shown in Fig. 3A and B respectively. We observe similar spec- tral features as described in the above UVB ...

8

New approach to ECE measurements based on Hilbert-transform spectral analysis

New approach to ECE measurements based on Hilbert-transform spectral analysis

... There are many techniques for the measurement of the cyclotron radiation. Among them, superheterodyne radiometers and Martin-Puplett interferometers are very popular and used for ECE measurements in a majority of ...

6

Atmospheric extinction in solar tower plants: absorption and broadband correction for MOR measurements

Atmospheric extinction in solar tower plants: absorption and broadband correction for MOR measurements

... Unlike in Sect. 3.1, in this evaluation no information from the nearby CIMEL sun photometer is included in the first step of the ABC procedure which is the simulation the trans- mission between the sun and the heliostat. ...

14

Understanding broadband speed measurements

Understanding broadband speed measurements

... much. Measurements of MIT's speed may be very noisy because our connections are so ...their measurements from parts of the TCP connection, potentially TCP doesn’t have time to ramp up fast enough to fully ...

39

Estimating spectral irradiance from measurements in seven spectral bands

Estimating spectral irradiance from measurements in seven spectral bands

... calibrated measurements in a small number of narrow, carefully positioned spectral bands in order to estimate the complete spectrum of global irradiance (Milton and Goetz, 1997, Milton ...

10

The Broadband Adoption Index: Improving Measurements and Comparisons of Broadband Deployment and Adoption

The Broadband Adoption Index: Improving Measurements and Comparisons of Broadband Deployment and Adoption

... Each country's respective target (or optimal) level of broadband Internet adoption will, of course, vary because the costs and benefits vary and the ideal mix of co[r] ...

61

Evaluation of Arctic broadband surface radiation measurements

Evaluation of Arctic broadband surface radiation measurements

... radiation measurements in the harsh arctic environment is a challenging ...the measurements by frost, ice, snow, and rime at all ...radiation measurements in the ...irradiance measurements at ...

10

Show all 10000 documents...

Related subjects