User contributions
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- 01:51, 22 November 2013 (diff | hist) . . (+1,032) . . N V4: Emitted power and pulse width (Created page with "== Purpose == Check of the control signals and of the emitted pulse of the Modulator, IF and Interface unit (MII). == Remarks == The procedure can also be found in the Fac...")
- 01:50, 22 November 2013 (diff | hist) . . (0) . . N File:SchemaLogicTimingVaisala.png (top)
- 01:50, 22 November 2013 (diff | hist) . . (+1,032) . . N V3: Radar signals (Created page with "== Purpose == Check of the control signals and of the emitted pulse of the Modulator, IF and Interface unit (MII). == Remarks == The procedure can also be found in the Fac...") (top)
- 01:49, 22 November 2013 (diff | hist) . . (+567) . . N V2: Local oscillator signal (Created page with "== Purpose == The signal of the local oscillator is used to convert the signal from low (intermediate frequency IF) to high (radio frequency RF) frequencies. It has to be sta...") (top)
- 01:48, 22 November 2013 (diff | hist) . . (+926) . . N V1: Noise level and electromagnetic perturbations (Created page with "== Purpose == This procedure allows to determine the level of the noise, that is generated inside the reception chain. The noise level should be low and constant. An increasin...") (top)
- 01:48, 22 November 2013 (diff | hist) . . (+708) . . N Maintenance Procedures (Created page with "The following measurements are standard measurements for a wind radar. Good practice is to perform these measurements in regular intervals, always in exactly the same way to h...") (top)
- 01:47, 22 November 2013 (diff | hist) . . (+3,160) . . N Maintenance Items (Created page with "This section gives an incomprehensive list of items to be checked on regular intervals, in order to maintain the wind profiler in good state and to avoid system failures. The ...") (top)
- 01:46, 22 November 2013 (diff | hist) . . (+1,031) . . N E-WINPROF (Created page with "[http://www.eucos.net/nn_133388/EN/Home/networks/winprof/winprof__node.html?__nnn=true E-WINPROF] is a programme of [http://www.eucos.net/cln_031/EN/Home/eucos__node.html?__nn...") (top)
- 01:45, 22 November 2013 (diff | hist) . . (+126) . . N RWP Maintenance in CWINDE (Created page with "E-WINPROF Maintenance Items Spare Parts Policy Maintenance Procedures Problems & Solutions Annexe") (top)
- 01:45, 22 November 2013 (diff | hist) . . (+9,438) . . N RWP Practical aspects (Created page with "There can be no doubt that high-quality wind observations of RWP are beneficial for [http://en.wikipedia.org/wiki/Numerical_weather_prediction NWPM]. The challenge of operatio...") (top)
- 01:44, 22 November 2013 (diff | hist) . . (+2,634) . . N RWP Error characteristics (Created page with "A large number of publications have discussed the accuracy and precision of RWP data based on comparisons with independent measurements (meteorological towers, tethered balloo...") (top)
- 01:43, 22 November 2013 (diff | hist) . . (+9,326) . . N RWP Operational use (Created page with "=== Historical development === After the first successful demonstration of clear-air wind measurements by [http://journals.ametsoc.org/doi/abs/10.1175/1520-0469%281974%29031...") (top)
- 01:41, 22 November 2013 (diff | hist) . . (0) . . N File:Dbs.jpg (top)
- 01:41, 22 November 2013 (diff | hist) . . (+4,037) . . N Doppler beam swinging (DBS) (Created page with "At least three linear independent beam directions and some assumptions concerning the wind field are required to transform the measured 'line-of-sight' radial velocities into ...") (top)
- 01:40, 22 November 2013 (diff | hist) . . (+3,855) . . N Signal detection, classification and moment estimation (Created page with "=== Noise level estimation === To discriminate between electronic noise and echo signals, a mean noise level <math>P_N</math> is objectively estimated using the method of [h...") (top)
- 01:39, 22 November 2013 (diff | hist) . . (+3,586) . . N Estimation of the Doppler spectrum (Created page with "=== Generalities === With the assumption that the coherently integrated time series <math>S^{ci} [m]</math> for atmospheric returns can be regarded as a stationary Gaussian r...") (top)
- 01:38, 22 November 2013 (diff | hist) . . (0) . . N File:RWP ci.png (top)
- 01:37, 22 November 2013 (diff | hist) . . (+3,326) . . N Digital pre-filtering (Created page with "After demodulation and range gating, the receiver signal <math>\mathbf{S}</math> at one particular range gate forms a discrete complex time series for <math>k= 0,\ldots, N_{ci...") (top)
- 01:37, 22 November 2013 (diff | hist) . . (+4,333) . . N Demodulation, range gating and A/D conversion (Created page with "=== Narrowband receiver signal === The narrow-band RWP signal at the output port of the low noise amplifier can be written as <math>S_{rx}(t)=A(t)\cos \left[\omega_c t + \Ph...") (top)
- 01:36, 22 November 2013 (diff | hist) . . (+2,077) . . N RWP receiver signal properties (Created page with "The RWP antenna receives the backscattered electromagnetic wave and converts it into a measurable voltage or current signal at the antenna output port, which contains all the ...") (top)
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