instruments:mfrsr:mfrsr
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instruments:mfrsr:mfrsr [2015/07/13 14:12] – kerstin | instruments:mfrsr:mfrsr [2020/04/15 10:09] – [Data] pkrobot | ||
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====== Multi-Filter Rotating Shadowband Radiometer ====== | ====== Multi-Filter Rotating Shadowband Radiometer ====== | ||
- | //Mentor: [[http:// | + | //Mentor: [[http:// |
===== Principle ===== | ===== Principle ===== | ||
+ | The Multifilter Rotating Shadowband Radiometer (MFRSR) is a passive instrument that measures global and diffuse components of solar irradiance at one broadband channel and at six narrowband channels, i. e. at 415, 500, 615, 673, 870, and 940 nm. Direct irradiance is subsequently calculated from the diffuse and global measured components. Each MFRSR measurement sequence includes measurements at four different shadowband positions: 1) at nadir (home position), 2) at the first side-band position, 3) sun-blocked, | ||
===== Instrument ===== | ===== Instrument ===== | ||
- | {{: | + | {{: |
[[http:// | [[http:// | ||
at [[http:// | at [[http:// | ||
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* If you are interested in receiving data please contact the instrument mentors: // [[http:// | * If you are interested in receiving data please contact the instrument mentors: // [[http:// | ||
- | * [[http:// | + | * [[http:// |
Current measurements: | Current measurements: | ||
< | < | ||
- | <a href=" | + | <a href=" |
- | <img src=" | + | <img src=" |
+ | </a> click to enlarge | ||
+ | </ | ||
+ | < | ||
+ | <a href=" | ||
+ | <img src=" | ||
</a> click to enlarge | </a> click to enlarge | ||
</ | </ | ||
- | The figure shows the LWP from the HATPRO MWR as well as radar reflectivity factor, linear depolarization ratio, Doppler velocity | + | The figure shows the total hemispheric (top), the diffuse hemispheric (middle) |
- | Gray areas indicate no data. | + | |
===== History ===== | ===== History ===== | ||
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===== Specifications ===== | ===== Specifications ===== | ||
- | ^ Parameter | + | ^ Parameter |
- | | Frequency | + | | Wavelengths |
- | | Peak power (max) | 25 kW | | | + | | FWHM bandwidth |
- | | Average power | ~ 24 W | | | + | | Cosine response |
- | | Pulse width | 200 ns | adjustable (100, 200, or 400 ns) | + | | Temporal Resolution |
- | | Pulse repetition frequency | + | | Weight |
- | | Minimum height | + | | Power Consumption |
- | | Measuring range | 15 km | adjustable (7.5-30 km) | | + | | Manufacturer | [[http:// |
- | | Range resolution | + | |
- | | Antenna beam width | 0.6° | | | + | | |
- | | Doppler velocity resolution | + | |
- | | Maximum unambiguous velocity | ±20 m/s | | | + | |
- | | Maximum sensitivity at 5 km (integration 0.1 s) | -45 dBZ | | | + | |
- | | Calibration system accuracy | ±0.5 dB | | | + | |
- | | Number of gates (with simultaneous stored raw data) | 500 | | | + | |
- | | Number of averaging spectra | 200 | adjustable (1-32768) | | + | |
- | | Manufacturer | [[http:// | + |
instruments/mfrsr/mfrsr.txt · Last modified: 2021/01/22 22:17 by 127.0.0.1