Sensors and Lasers
a. 2. d. Heading sensors having all of the following: 1. An "accuracy" of less (better) than 0.5°; and 2. Designed to operate at depths exceeding 35 m or having an adjustable or removable depth sensing device in order to operate at depths exceeding 35 m; 1. Incorporating hydrophones specified in 6.A.1.a.2.a.; 2. Incorporating multiplexed hydrophone group signal modules having all of the following characteristics:
| Reference | Parameter | Threshold |
|---|---|---|
| 6A001 | and 2. Designed to operate at depths | > 35 m |
| 6A001 | g an adjustable or removable depth sensing device in order to operate at depths | > 35 m |
| 6A001 | a. 2. d. Heading sensors having all of the following: 1. An "accuracy" of | < 0.5 ° |
| 6A001.a | Designed to operate at depths | > 35 m |
| 6A001.a | Designed to operate at depths | > 35 m |
| 6A001.a.1.a.1 | the following: a. Designed to take measurements at an angle | > 20 o from |
| 6A001.a.1.a.1 | b. Designed to measure seabed topography at seabed depths | > 600 m |
| 6A001.a.1.a.2.a | the following: 1. Designed or modified to operate at depths | > 300 m |
| 6A001.a.1.a.2.b | the following: 1. Designed or modified to operate at depths | > 100 m |
| 6A001.a.1.a.2.b | 2. Designed to take measurements at an angle | > 20 o from |
| 6A001.a.1.a.2.b | or b. Designed to measure seabed topography at a range | > 200 m from |
| 6A001.a.1.a.3 | rays therefor: a. Designed or modified to operate at depths | > 500 m |
| 6A001.a.1.a.3 | b. An ‘area coverage rate’ of | > 570 m |
| 6A001.a.1.a.3 | nge that it can operate with an ‘along track resolution’ of | < 15 cm |
| 6A001.a.1.b.2 | Sound pressure level | > 224 dB (reference |
| 6A001.a.1.b.3 | Sound pressure level | > 235 dB (reference |
| 6A001.a.1.b.4 | Forming beams of | < 1 o |
| 6A001.a.1.b.4 | ss than 1o on any axis and having an operating frequency of | < 100 kHz |
| 6A001.a.1.c.3 | Side-lobe suppression | > 22 dB |
| 6A001.a.1.d | and 2. Determined position error of | < 10 m |
| 6A001.a.1.e | and receiving acoustic arrays therefor: 1. Detection range | > 530 m |
| 6A001.a.1.e | and 3. Transmitted pulse signal bandwidth | > 3 kHz |
| 6A001.a.1.e | 2. Determined position error of | < 15 m |
| 6A001.a.2.a.2 | discrete sensing elements with either a diameter or length | < 20 mm |
| 6A001.a.2.a.5 | Designed to operate at depths | > 35 m with |
| 6A001.a.2.b.1 | Hydrophone group spacing of | < 125 m |
| 6A001.a.2.b.2 | Designed or ‘able to be modified’ to operate at depths | > 35 m |
| 6A001.a.2.b.5 | An assembled array of | < 40 mm |
| 6A001.a.2.d | and 2. Designed to operate at depths | > 35 m or |
| 6A001.a.2.d | and 2. Designed to operate at depths | > 35 m |
| 6A001.a.2.d | ng sensors having all of the following: 1. An "accuracy" of | < 05 o |
| 6A001.a.2.e.2 | following characteristics: a. Designed to operate at depths | > 35 m or |
| 6A001.a.2.e.2 | following characteristics: a. Designed to operate at depths | > 35 m |
| 6A001.a.2.g | 3. Designed to operate at depths | > 35 meters |
| 6A001.b.1.a | to operate at distances between the carrier and the sea bed | > 500 m |
6A001.aDesigned to operate at depths exceeding 35 m or having an adjustable or removable depth sensing device in order to operate at depths exceeding 35 m; and
6A001.bCapable of being operationally interchanged with towed acoustic hydrophone array modules; or 3. Incorporating accelerometer-based hydro-acoustic sensors specified in 6.A.1.a.2.g.;
6A001.a.1Active (transmitting or transmitting-and-receiving) systems, equipment and specially designed components therefor, as follows:
6A001.a.1.aAcoustic seabed survey equipment as follows:
6A001.a.1.a.1Surface vessel survey equipment designed for seabed topographic mapping and having all of the following: a. Designed to take measurements at an angle exceeding 20o from the vertical; b. Designed to measure seabed topography at seabed depths exceeding 600 m; c. ‘Sounding resolution’ less than 2; and d. ‘Enhancement’ of the depth "accuracy" through compensation for all the following: 1. Motion of the acoustic sensor; 2. In-water propagation from sensor to the seabed and back; and 3. Sound speed at the sensor;
6A001.a.1.a.2Underwater survey equipment designed for seabed topographic mapping and having any of the following:
6A001.a.1.a.2.aHaving all of the following: 1. Designed or modified to operate at depths exceeding 300 m; and 2. ‘Sounding rate’ greater than 3 800 m/s; or
6A001.a.1.a.2.bSurvey equipment, not specified in 6A001.a.1.a.2.a., having all of the following: 1. Designed or modified to operate at depths exceeding 100 m; 2. Designed to take measurements at an angle exceeding 20o from the vertical; 3. Having any of the following: a. Operating frequency below 350 kHz; or b. Designed to measure seabed topography at a range exceeding 200 m from the acoustic sensor; and 4. ‘Enhancement’ of the depth "accuracy" through compensation of all of the following: a. Motion of the acoustic sensor; b. In-water propagation from sensor to the seabed and back; and c. Sound speed at the sensor;
6A001.a.1.a.3Side Scan Sonar (SSS) or Synthetic Aperture Sonar (SAS), designed for seabed imaging and having all of the following, and specially designed transmitting and receiving acoustic arrays therefor: a. Designed or modified to operate at depths exceeding 500 m; b. An ‘area coverage rate’ of greater than 570 m^2/s while operating at the maximum range that it can operate with an ‘along track resolution’ of less than 15 cm; and c. An ‘across track resolution’ of less than 15 cm;
6A001.a.1.bSystems or transmitting and receiving arrays, designed for object detection or location, having any of the following:
6A001.a.1.b.1A transmitting frequency below 10 kHz;
6A001.a.1.b.2Sound pressure level exceeding 224 dB (reference 1 μPa at 1 m) for equipment with an operating frequency in the band from 10 kHz to 24 kHz inclusive;
6A001.a.1.b.3Sound pressure level exceeding 235 dB (reference 1 μPa at 1 m) for equipment with an operating frequency in the band between 24 kHz and 30 kHz;
6A001.a.1.b.4Forming beams of less than 1o on any axis and having an operating frequency of less than 100 kHz;
6A001.a.1.b.5Designed to operate with an unambiguous display range exceeding 5 120 m; or
6A001.a.1.b.6Designed to withstand pressure during normal operation at depths exceeding 1 000 m and having transducers with any of the following:
6A001.a.1.b.6.aDynamic compensation for pressure; or
6A001.a.1.b.6.bIncorporating other than lead zirconate titanate as the transduction element;
6A001.a.1.cAcoustic projectors (including transducers), incorporating piezoelectric, magnetostrictive, electrostrictive, electrodynamic or hydraulic elements operating individually or in a designed combination and having any of the following:
6A001.a.1.c.1Operating at frequencies below 10 kHz and having any of the following:
6A001.a.1.c.1.aNot designed for continuous operation at 100 % duty cycle and having a radiated ‘free-field Source Level (SLRMS)’ exceeding (10log(f) + 169,77) dB (reference 1 μPa at 1 m) where f is the frequency in Hertz of maximum Transmitting Voltage Response (TVR) below 10kHz; or
6A001.a.1.c.1.bDesigned for continuous operation at 100 % duty cycle and having a continuously radiated ‘free-field Source Level (SLRMS)’ at 100 % duty cycle exceeding (10log(f) + 159,77) dB (reference 1 μPa at 1 m) where f is the frequency in Hertz of maximum Transmitting Voltage Response (TVR) below 10kHz; or
6A001.a.1.c.2Not used;
6A001.a.1.c.3Side-lobe suppression exceeding 22 dB;
6A001.a.1.dAcoustic systems and equipment, designed to determine the position of surface vessels or submersible vehicles and having all the following, and specially designed components therefor: 1. Detection range exceeding 1 000 m; and 2. Determined position error of less than 10 m rms (root mean square) when measured at a range of 1 000 m;
6A001.a.1.eActive individual sonars, specially designed or modified to detect, locate and automatically classify swimmers or divers, having all of the following, and specially designed transmitting and receiving acoustic arrays therefor: 1. Detection range exceeding 530 m; 2. Determined position error of less than 15 m rms (root mean square) when measured at a range of 530 m; and 3. Transmitted pulse signal bandwidth exceeding 3 kHz;
6A001.a.2Passive systems, equipment and specially designed components therefor, as follows:
6A001.a.2.aHydrophones having any of the following:
6A001.a.2.a.1Incorporating continuous flexible sensing elements;
6A001.a.2.a.2Incorporating flexible assemblies of discrete sensing elements with either a diameter or length less than 20 mm and with a separation between elements of less than 20 mm;
6A001.a.2.a.3Having any of the following sensing elements:
6A001.a.2.a.3.aOptical fibres;
6A001.a.2.a.3.b‘Piezoelectric polymer films’ other than polyvinylidene-fluoride (PVDF) and its co-polymers {P(VDF-TrFE) and P(VDF-TFE)};
6A001.a.2.a.3.c‘Flexible piezoelectric composites’;
6A001.a.2.a.3.dLead-magnesium-niobate/lead-titanate (i.e., Pb(Mg1/3Nb2/3)O3-PbTiO3, or PMN-PT) piezoelectric single crystals grown from solid solution; or
6A001.a.2.a.3.eLead-indium-niobate/lead-magnesium niobate/lead-titanate (i.e., Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3, or PIN-PMN-PT) piezoelectric single crystals grown from solid solution;
6A001.a.2.a.4A ‘hydrophone sensitivity’ greater (better) than -180 dB at any depth with no acceleration compensation;
6A001.a.2.a.5Designed to operate at depths exceeding 35 m with acceleration compensation; or
6A001.a.2.a.6Designed for operation at depths exceeding 1 000 m and having a ‘hydrophone sensitivity’ greater (better) than – 230 dB below 4 kHz;
6A001.a.2.bTowed acoustic hydrophone arrays having any of the following:
6A001.a.2.b.1Hydrophone group spacing of less than 12,5 m or ‘able to be modified’ to have hydrophone group spacing of less than 12,5 m;
6A001.a.2.b.2Designed or ‘able to be modified’ to operate at depths exceeding 35 m;
6A001.a.2.b.3Heading sensors specified in 6A001.a.2.d.;
6A001.a.2.b.4Longitudinally reinforced array hoses;
6A001.a.2.b.5An assembled array of less than 40 mm in diameter;
6A001.a.2.b.6Not used;
6A001.a.2.b.7Hydrophone characteristics specified in 6A001.a.2.a.; or
6A001.a.2.b.8Accelerometer-based hydro-acoustic sensors specified in 6A001.a.2.g.;
6A001.a.2.cProcessing equipment, specially designed for towed acoustic hydrophone arrays, having "user-accessible programmability" and time or frequency domain processing and correlation, including spectral analysis, digital filtering and beamforming using Fast Fourier or other transforms or processes;
6A001.a.2.dHeading sensors having all of the following: 1. An "accuracy" of less (better) than 0,5o; and 2. Designed to operate at depths exceeding 35 m or having an adjustable or removable depth sensing device in order to operate at depths exceeding 35 m;
6A001.a.2.eBottom or bay-cable hydrophone arrays, having any of the following:
6A001.a.2.e.1Incorporating hydrophones specified in 6A001.a.2.a.;
6A001.a.2.e.2Incorporating multiplexed hydrophone group signal modules having all of the following characteristics: a. Designed to operate at depths exceeding 35 m or having an adjustable or removable depth sensing device in order to operate at depths exceeding 35 m; and b. Capable of being operationally interchanged with towed acoustic hydrophone array modules; or
6A001.a.2.e.3Incorporating accelerometer-based hydro-acoustic sensors specified in 6A001.a.2.g.;
6A001.a.2.fProcessing equipment, specially designed for bottom or bay cable systems, having "user-accessible programmability" and time or frequency domain processing and correlation, including spectral analysis, digital filtering and beamforming using Fast Fourier or other transforms or processes;
6A001.a.2.gAccelerometer-based hydro-acoustic sensors having all of the following: 1. Composed of three accelerometers arranged along three distinct axes; 2. Having an overall ‘acceleration sensitivity’ greater (better) than 48 dB (reference 1 000 mV rms per 1g); 3. Designed to operate at depths greater than 35 meters; and 4. Operating frequency below 20 kHz.
6A001.b.1Correlation-velocity sonar log equipment having any of the following characteristics:
6A001.b.1.aDesigned to operate at distances between the carrier and the sea bed exceeding 500 m; or
6A001.b.1.bHaving speed "accuracy" less (better) than 1 % of speed;
6A001.b.2Doppler-velocity sonar log equipment having speed "accuracy" less (better) than 1 % of speed.
6A001.cNot used.
Decontrol note
Les équipements conçus exclusivement pour la navigation civile ou la recherche scientifique non militaire peuvent être exemptés sous conditions précises.
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Cyber-Surveillance Catch-All - Article 5 of Regulation (EU) 2021/821
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