Table 2. Technical characteristics of noise generators of vibroacoustic camouflage systems..
Table 2. Technical characteristics of noise generators of vibroacoustic camouflage systems
| Name of characteristics | Name of the vibroacoustic masking system | |||
| VNG-012GL | Shorokh-1(2) | Baron-2 | Baron-U | |
| Noise interference frequency band, kHz | 0.175 – 5.6 | 0.175 – 5.6 |
0.06 – 16 |
0.06 – 16 |
|
Number of statistically independent noise generation channels (excitation channels) |
5 (noise generators) | 3 (noise generators) | 4 (up to 3 FM radio receivers, noise generator, phoneme cloners) | 4 (4 noise generators and 4 phoneme cloners) |
| Type of vibration emitters | piezoelectric (VN-GL and VN), electromagnetic (VNT-2) | piezoceramic (KVP-2, KVP-6); electromagnetic (KVP-7) |
piezoelectric (“Hammer”, “Serp”, “Kopeyka”); electromagnetic |
piezoelectric (“Hammer”, “Serp”, “Kopeyka”); electromagnetic |
| Number of independent generator outputs for connecting piezoelectric vibrators | 3 (4) | 2 | 4 | 4 |
| Maximum number of piezoelectric (piezoceramic) vibrators connected to one output | 5 (VN-GL) 15 (VN) |
24 (KVP-2; KVP-6; KVP-8) | 30 | 30 |
| Number of independent outputs for connecting acoustic systems and electromagnetic vibration emitters | 2 (1) | 1 | 4 | 4 |
| Maximum number of electromagnetic vibration emitters or acoustic speakers connected to one output | 30 (VNT-2) or 30 acoustic emitters AI-8 | 16 (KVP-7) or 18 acoustic speakers with a resistance of 8 Ohm | 7 | 7 |
| Type of noise interference | analog “white noise” with normal distribution of probability density of instantaneous values | analog “white noise” with normal distribution of probability density of instantaneous values | analog “white noise” with normal distribution of probability density of instantaneous values; “speech choir”; speech-like (formed by a phoneme cloner); combined | analog “white noise” with normal distribution of probability density of instantaneous values; speech-like (formed by phoneme cloner); combined |
| Number of excitation signal spectrum adjustment bands | 15 or 5 | 5 | 5 | 5 |
| Width of single spectrum adjustment band | 1/3 octave or octave | octave | 60 – 350 Hz; 350 – 700 Hz; 0.7 – 1.4 kHz; 1.4 – 2.8 kHz; 2.8 – 16 kHz |
60 – 350 Hz; 350 – 700 Hz; 0.7 – 1.4 kHz; 1.4 – 2.8 kHz; 2.8 – 16 kHz |
| Signal level adjustment range in the spectral band, dB | 18 (± 9) | ± 20 | 24 | 24 |
| Integral signal level adjustment range for each output, dB | 20 | 40 | ||
| Maximum total output power, W | 60 (20) | 18 (for one channel) | 18 (for one channel) | |
| Minimum load resistance at the channel output, Ohm:
for electromagnetic vibrators; for piezoelectric vibrators |
4 30 |
4 30 |
||
| Overall dimensions of the generator, mm | 290x270x80 | 340x300x140 (280x270x120) |
377x335x108 | 310x300x80 |
| Generator mass, kg | 3 | 12 (6) | 8.5 | 5.5 |