Marine Surveillance Systems

By Roger Finger, Published Nov 19, 2012, 07:00pm EST (Info+)

Ports and harbors are good candidates for video surveillance systems, but they have tough requirements.  The atmosphere is corrosive, there are lots of wild animals, and everything is constantly in motion.  A typical port might consist of a recreational boat harbor, a commercial fishing dock, a boat repair yard, and a collection of leased properties occupied by local businesses.  The common denominator is that there is a large physical area to cover and a lot of high value property to protect. The challenge for the system integrator is to design for an unusually tough environment.  The following sections will address some of the major considerations.

Material selection

**** ** ****** ** *********** ***** and ****.  ******* ******* ** *** cost ********** ******** **** *************.

corroded

**** *** *** **********:

  • *** **** ** ** ***** **********.  
  • ****** ********* ******** *** *********** *** all *********, ***** **** *** ******* made ** ****** ********, ****** **** thin ******* ** ******* *****. 
  • ******** ******* *** * **** **** choice *** *** *****.  ****** ******* and ***** ***** **** ********** ******** tend ** **** ****** ***** ******* moisture *** ******* **** *** ******* in ******** ********.
  • *** ******** (****** *** *****) ****** be ********* *****.
  • ********** ***** ** **** *** ******** mounts, *** **** **** **** *** or *******.
  • ************ **** ***** *** *********** ** vandalism ** *** * *******.

**** ********* *** *** *********** *********:

  • **** ****** ****** **** **** ** become ***-*********** ****** * ***** ****.      
  • ******* ***** ********** (******* ** ***-**** rated ********** *****) *** **** *** a ****** ** *****, *** *** also *** ***********.

**** ** * ******* ** *** material ***************:

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**** **** ** ***********

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***** *** *** ****** *** *****

********** *****

***********, ****** *** ******

***** ***** *** ** *******

********* *****

*** *** *** ****** *** *****

**** ****

**** **** ***** *** **** ********** ********* **** **** ******* **** will **** *** **** ** ****.  In *** ******* *****, ** ********* unitized ****** ****** ***** **** ***** years ******* ********* ***** * ***** crack ** *** ******-****** ******** ******* and *** ********** *** ***** *** the ****** ****** ** *** ****.

corrossion2

**** ****** *** ******, ********* ******* destroyed *** ******* ********* ******* ** intermittent *******.

Wireless **********

***** ********* **** ** ************ ******* buildings ********** ******** ******** ***********. *******, ports ***** **** *********** ******** ********** already ***********, ********* ******** ******** ** the *.* *** ********.  ********* *** of *** ****** ****** *********** ********** interference **** ***** ******** *******, *** requires ********* * ******* *******.  ******* of ****, *** ********** *.* ***. band ** * ****** ******. 

****-**-***** ************ *** ** **** ** meet ** ****** ************.  *** ** anticipate **** ******* **** ***** ***** enter *** ****** ** ** * dredging ******** ****** *** ****** ****.  Mount ******** ** **** ** ********, making **** **** **** ***** *** not ******** * *** ** ****** and *** **** ****** ******* *** wind.  **** ******** ******* ***** * body ** *****, ***** ** * ‘Fresnel’ ****** **** *** ****** ************.  Ideally *** ******** ****** ** ** least **’ ***** *** *****, *** if *** *** ***** ****** ******** rotate **** ******** ** **°.

***** *** *** ***** *** ********* communications ** ******* ***** – ***** are ****** ** ** ** *** 5.3 *** **** *** *** ****** interference ** ***** ***** *** ** high *****.  * ******** ******** ******** can **** ***** ***** ***** ******* are *** **** *********** *** ********.  Using *********** ******** **** **** **** eliminate ***** *** ************.

Unreliable *****

****** ****** ***** ***** ************* *** sometimes**********.  *** ******** ***** *** ****** mounts ****** ** ***** ******** *** provided **** ********** *********.  ******** ******** cable ** **** ***********.  *** ****** threat ** **** ******* **** *** power ***** **** **.  **** ****** resumption ** ***** *** ***** ****** come ***** ******** **** *** ******* electrical ********* **** ** *** ********* by * **** ******* ***** *********.

Wind **********

******** ********, ***** ******* ***** ***** and ***** ** ** *********.  ** there ** ** ******** ***** *** camera, *** **** *** **** **** water ************ ** *** ****** *** it **** ** ********* **** *** wind.  ****** ****** ** * **** storm *** ****** ****** * ******* useless.

*** ********, ** ********  **** * powerful **** ***** *** *** ********** coast.  **** ****** ** *** *** were ******** *** **** ** ****.  The ***** ****** * *** ** damage – ***** **** ***** ***, windows *********, *** ***** *** ********* flood ****** **********.  ******* ********* *** used ** **** – **** ********* get ** *** *****, *** ** least *** ***** *** ****** **** pack * **** *****.

Motion ********* ******

********** ** ****** ** ****** ** the *****.  ***** ***, ***** **** in, *** ******** ****** ********.  ******* sensitivity ***********, *** ****** ***** ****** constantly *** ******* **** ** *** available ******* *****. 

*** *** ‘***** ***********’ ******* ** your *** ******** ** ****** *** fine ****** **** ***** ** **** drops **** *** *****.  *** “****** Sensitivity” ******* ** **** *** *********** the **** ** *** ****** ********:  Humans **** ** ** ********, ***** animals ** ***.  *** *** **** exclude ******** ** *** ******* ** that ****** *** *** ***** *** ignored. *** ****, *** ************* ****** ***** ********* ********.

***** *** * ******* **** ********** floating *****.  ** *** *** ** the ****** ********* ***** ** *** tide **** ** **** *** * few *****, *** ******** ******** **** be *********** **** *** **** ***** in *** ****** *** ********.  *** changes *** ** **** ********!  ***** is ** **** *** *** **** **** ****** *** ****** ********* zones ** ***** *** ****** ***** of ****** *** *** *** *********** controls ** ****** *** **** ****** and ******* *****.

********

***** *** *** ****** *** *******.  Seagulls, ********, *****, *****, *** ***** large ***** **** ********** ******* * camera.  ***** * ***** ***** ******* pre-trigger *** ***** ******* **** ********* fast ****** ****** *******, *** ***** is ** **** ******** **** **** nest **** **** ******.

****** *** ***** **** ** **** on *** ****** ** **** *******. They *** ** **** *** *******, but **** **** *** *********** ** any ****** ****** *** **** ***.

******* *** **** *** * *** problem **** **** ***** ****** *** front ***** ** * ****** *******.  They *** *** ****** ***, ******** through **** *********** ***** ** **** traveling ** ******** ******* **** ****** an *****.  ****’* ** ******* ** what ******* **** ******* *** ******:

spiders

PTZ ***********

*** **** **** ******* *** * common ****** *** ****** ************ ******* there ** ** **** **** ** cover, *** **** * ******* ****** of ******** *****.  *** **** **** to *** ** * **** ********, and **** * ****.  *** *******, for * **** ******** *** ****** PTZ’s ***** *** ********, *** ************ the ****** **** ***** ** * tour ** ***** ***** ******* **** statues, ******* ****, *** *** ********* along *** ***** ** *** ******.  At *****, ** *** * ******** to ****** *** ****** ** * well ******* **** ********.  *** **** will ** **** ****** ***** **** areas *** *** **** ** *** anything.

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