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Name Description

Unit

H1/ 3

Average height of the highest 1/ 3 of the waves

cm

T H1/ 3 Average period of the highest 1/ 3 of the waves

s

H1/ 10 Average height of the highest 1/ 10 of the waves

cm

H1/ 50 Average height of the highest 1/ 50 of the waves

cm

T 1/ 3

Average period of the longest 1/ 3 of the periods

s

GGH

Average height of all waves

cm

GGT

Average period of all waves

s

AG2

Number of waves

SPGH

Standard deviation of the wave height

cm

SPGT

Standard deviation of the wave period

s

Hmax

Height of highest wave

cm

T max

Period of longest wave

s

T Hmax Period of highest wave

s

HCM

Crest height, maximum positive value of all data within one analysis period

cm

Table 4: T ime domain parameters.

Name

Description

Unit

Nwt_ zP Sum of periods of waves divided by analysis period

Ndlr_ H Number of valid sub-series of the signal in the vertical direction

Ngd_ zP Percentage of data-points that do not contain error code before preprocessing

Nu_ z

Number of valid data-points that are rejected because of 0-sigma errors

Nv_ z

number of valid data-points that are rejected because of 4-sigma errors

Nd_ z

number of valid data-points that are rejected because of 4-delta errors

Ni_ z

number of interpolated or extrapolated vertical wave motion data points

Table 5: Quality parameters.

Name Description

Data-rate [sec]

Unit

H

Average height over last 10 seconds

10

cm

H1

Average height over last 1 minute

60

cm

H5

Average height over last 5 minutes

60

cm

H10

Average height over last 10 minutes

60

cm

Table 6: Water level parameters

24

Содержание WaveGuide 5 Onboard 2

Страница 1: ...WaveGuide Onboard 2 User Manual...

Страница 2: ...Version 5 2 1 1 4th of Nov 2020 Applicable for product number WG5 OB2 CP Related to software version WB2 5 2 1 Radac B V Elektronicaweg 16b 2628 XG Delft The Netherlands tel 31 0 15 890 3203 e mail in...

Страница 3: ...of the local requirements and regulations for installation of electronic equipment The information in this installation guide is the copyright property of Radac BV the Netehrlands Radac BV disclaims...

Страница 4: ...guration 11 Step 3 1 Set system date and time 11 Step 3 2 Adjust network settings 12 Step 3 3 Sensor configuration 12 Step 4 Perform system check 15 Step 4 1 Check system information 15 Step 4 2 Check...

Страница 5: ...l and pitch Both radar and IMU sensor outputs are used to calculate the true water level heaveWOB which is then further processed to provide wave height parameters and wave spectra Warning Do not use...

Страница 6: ...he approval certificate Warning In hazardous areas it is compulsory to Use personal protection and safety gear such as hard hat fire resistive overall safety shoes safety glasses and working gloves Av...

Страница 7: ...some influence on the waves progressing around it Hence it is advised to mount the sensors at a position facing the mean wave direction so that they can measure the least disturbed water surface As e...

Страница 8: ...positioning criteria The outside diameter of the WaveGuide radar cylinder is 219 mm and the total height of the system is 245 mm The radar cylinder has a flange 265 mm diameter that con tains 4 mount...

Страница 9: ...WaveGuide system requirements for power and data transmission The terminal compartment contains a six pole and a two pole connector as well as a ground connection point as shown in Fig 2 2 The six po...

Страница 10: ...D blinking modes Warning Improper wiring can damage the radar s communication board Always check that power is applied to the right connector before connecting it Warning Make sure the housing of the...

Страница 11: ...rm a system check 5 Configure the distribution of data Step 1 Connect the WaveGuide system to a computer Once the WaveGuide system is connected to a Local Area Network communication can be done via th...

Страница 12: ...is will cause the sensor to use the default IPV4 address 192 168 111 71 until it is rebooted allowing the user to access and change the network settings to the desired fixed configuration N ote In ord...

Страница 13: ...minutes However the web browser may store the login name and password In that case the authorization data will be submitted automatically by the browser without a pop up dialog The default login passw...

Страница 14: ...ly correct its system time to UTC time For the NTP service to work the system needs to be connected to the Internet as it needs to be able to reach its default NTP servers In the case that the NTP ser...

Страница 15: ...he correct settings for the local network N ote To ensure an accurate system time the WaveGuide system is by default configured to use an NTP time service For this service to work a connection to the...

Страница 16: ...radar to the lowest expected water level This is to avoid detecting multiple echoes of the same measurement sweep Min range The range minimum in m is the minimum distance at which the sensor will dete...

Страница 17: ...After changing the sensor parameters for the radar rebooting the system is required for the changes to take e ect The reflection diagram of the sensor should be checked to ensure that the water level...

Страница 18: ...arted a process that can take up to five minutes after power up the displayed status becomes OK Figure 3 6 System information In the same table the ratio between the number of performed and invalid me...

Страница 19: ...nd minimum values the WaveGuide system shows the applied boundaries using vertical green lines A horizontal green line shows the min imum accepted reflection strength the value set as the Signal Minim...

Страница 20: ...Figure 3 8 Dashboard view 17...

Страница 21: ...lement the subscription with immediate e ect no system reboot is required D efault message format The Default format starts a new line for each parameter in the subscription The time used in the Radac...

Страница 22: ...red information parameters spectrum per processing interval The chosen parameters are separated by a semicolon and the 51 spectrum values czz10 are included The NaN string is replaced with a 9999 stri...

Страница 23: ...generate and download the diagnostics file and that it can contain up to 100 kB of data It is recommended to share the diagnostics file with Radac B V because it can help with providing future techni...

Страница 24: ...using 20 minute data blocks The 20 minute observation block is chosen as a compromise between short enough to obtain small variance in the statistical parameters and long enough to assume it to be a...

Страница 25: ...e of the log files after clicking a download button it can take up to 3 minutes for the system to compress the files and start the transfer It is also possible to access and transfer the logged data u...

Страница 26: ...e height from M0 cm M0 Band energy from Czz10 f in the range f 30 500 mHz cm2 M0_ M Band energy from Czz10 f in the range f 30 1000 mHz cm2 Hm0_ M Significant wave height from M0_ M cm T m02 Average p...

Страница 27: ...Table 4 T ime domain parameters Name Description Unit Nwt_ zP Sum of periods of waves divided by analysis period Ndlr_ H Number of valid sub series of the signal in the vertical direction Ngd_ zP Perc...

Страница 28: ...h 15 to 15 deg 1 Valid for a still water surface 2 For a water surface with waves 3 The accuracy of the wave parameters is not limited by the radar sensor yet it is defined by the stochastic nature of...

Страница 29: ...ion Triangular FMCW Emission max 0 1 mW of emitted microwave energy Environmental conditions Temperature 40 to 45 oC Humidity 0 100 Ingress protection IP67 Motion sensor Acceleration range 4 g Attitud...

Страница 30: ...92 168 111 71 If the connection lasts between 2 and 10 seconds nothing happens During this phase the LED stops blinking After 10 seconds the LED starts blinking again If the connection lasts more than...

Страница 31: ...rk is detected Check the network cable connections Blink 2 times T he system is working normally T his is the default mode Blink 3 times T he ip address was set to the default 192 168 111 71 Check cha...

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