Цифровой мониторинговый пеленгатор Rohde&Schwarz DDF0xE
Цифровые мониторинговые ВЧ/ОВЧ/УВЧ пеленгаторы семейства R&S®DDF0xE перекрывают весь диапазон частот от 0,3 МГц до 3 000 МГц вместе с поддиапазонами. Эти пеленгаторы используют методы цифровой обработки как для фильтрации (полоса быстрого преобразования Фурье и фильтры с линейной фазовой характеристикой), так и для расчета пеленга.
Каждый пеленгатор состоит из четырех функциональных блоков:
- Пеленгационная антенная система
- Пеленгационный преобразователь со встроенными приемными модулями
- Блок цифровой обработки сигнала
- Управляющий компьютер и программное обеспечение
| Номер в Госреестре | Наименование СИ | Обозначение типа СИ | Изготовитель | Срок свидетельства или заводской номер |
|---|---|---|---|---|
| не в реестре | ||||
DDF 01E
| Frequency range | 0.3 MHz to 30 MHz |
| DF method | correlative interferometer, Watson- Watt |
| Operation | via graphical user interface (GUI) on external PC with Windows XP |
| Instrument DF accuracy | 0.5° RMS |
| System DF accuracy (in test field) with ADD010 or ADD011 | 1° RMS |
| Display | azimuth versus frequency, level versus frequency, polar diagram, histogram, waterfall, realtime IF panoramic display (bandwidth 20 kHz or 1 MHz) |
| Display resolution | 0.1° or 1° (selectable) |
| DF sensitivity | typ. 0.2 μV/m to 0.5 μV/m |
| Operating modes | SCAN (f-SCAN, m-SCAN), SEARCH, fixed frequency mode (FFM), wideband mode (WFFM) |
| Instantaneous bandwidth | 1 MHz |
| Frequency span in wideband mode |
1 MHz with DDF-HFR option additionally: 0.5 MHz/0.2 MHz/0.1 MHz |
|
Minimum signal duration (depending on selected FFT realtime bandwidth) Correlative interferometer Watson-Watt |
1 ms 0.3 ms |
|
Scan speed with 20 kHz resolution, 100 % channel occupancy, BT = 4 Correlative interferometer Watson-Watt |
up to 450 MHz/s (incl. calculation of elevation) up to 1 00 MHz/s |
|
Scan speed with 5 kHz resolution, 100 % channel occupancy, BT = 4 Correlative interferometer ;Watson-Watt |
up to 120 MHz/s (incl. calculation of elevation) up to 500 MHz/s |
|
Processing speed Correlative interferometer Watson-Watt |
up to 25 000 channels/s (incl. calcula- tion of elevation) up to 100 000 channels/s |
| Channel spacing (depending on selected FFT realtime bandwidth) |
20 kHz/10 kHz/5 kHz/2 kHz/1 kHz/0.5 kHz/0.2 kHz with DDF-HFR option additionally: 0.1 kHz/0.05 kHz/0.02 kHz |
|
Bandwidths Direction finding Demodulation |
12 kHz/6 kHz/3 kHz/1.2 kHz/0.6 kHz/0.3 kHz/0.12 kHz 20 kHz/12 kHz/10 kHz/6 kHz/3.4 kHz/3 kHz/1.2 kHz/0.6 kHz/0.3 kHz/0.12 kHz/0.06 kHz |
| Adjacent channel suppression ≥ 10 kHz | 80 dB (FFM), 60 dB (SCAN) |
| Modes of demodulation | CW, AM, FM, SSB |
| Filter selectivity (shape factor, 60 dB/3 dB) | 2.5 (FFM) 3.6 (SCAN) |
| Dynamic range (incl. AGC) | >120 dB |
|
Linearity Second-order intercept (SOI) Third-order intercept (TOI) |
≥75 dBm, typ. 85 dBm ≥32 dBm, typ. 39 dBm |
| Intermodulation-free dynamic range | typ. 95 dB (in-band, bandwidth of 1.2 kHz) |
| Phase noise | <–110 dBc (1 Hz) at 1 kHz offset typ. –116 dBc (1 Hz) at 1 kHz offset |
| Impedance | 50 W |
| Frequency stability | 1 × 10 –7 at –10 °C to +55 °C |
| Frequency setting accuracy | 1 Hz |
| Image frequency rejection | >95 dB, typ. 110 dB |
| IF rejection | >95 dB, typ. 110 dB |
|
MTBF EBD061 EH110 |
>28 000 h >60 000 h |
DDF 05E
| Frequency range |
20 MHz to 3000 MHz 300 kHz to 3000 MHz with DDFE-HF option |
| DF method | correlative interferometer, Watson- Watt |
| Operation | via graphical user interface (GUI) on external PC with Windows XP |
| Instrument DF accuracy | 0.5° RMS |
|
System DF accuracy (in test field) With ADD053 With ADD070 |
1° RMS 2° RMS |
| Display | azimuth versus frequency, level versus frequency, polar diagram, histogram, waterfall, realtime IF panoramic display (bandwidth 100 kHz or 2 MHz) |
| Display resolution | 0.1° or 1° (selectable) |
|
DF sensitivity 20 MHz to 1300 MHz 1300 MHz to 3000 MHz |
typ. 0.5 μV/m to 1 μV/m typ. 3 μV/m to 10 μV/m |
| Operating modes | SCAN (f-SCAN, m-SCAN), SEARCH, fixed frequency mode (FFM), wideband mode (WFFM) |
| Instantaneous bandwidth |
2 MHz with DDFE-HBW option: 10 MHz (–6 dB) |
| Frequency span in wideband mode |
2 MHz with DDF E-HBW option: 10 MHz with DDF-HFR option additionally: 1 MHz/0.5 MHz/0.2 MHz/0.1 MHz |
|
Minimum signal duration (depending on selected FFT realtime bandwidth) Correlative interferometer Watson-Watt |
400 μs 150 μs |
|
Bandwidths Direction finding Demodulation |
60 kHz/30 kHz/15 kHz/12 kHz/7.5 kHz/6 kHz/5 kHz/3 kHz/1.2 kHz/0.6 kHz 150 kHz/60 kHz/30 kHz/15 kHz/ 12 kHz/ .5 kHz/5 kHz/3 kHz/1.2 kHz/0.6 kHz |
| Adjacent channel suppression ≥ 10 kHz | 80 dB (FFM), 60 dB (SCAN) |
| Modes of demodulation | CW, AM, FM, SSB |
| Filter selectivity (shape factor 60 dB/3 dB) |
2.5 (FFM) 3.6 (SCAN) |
| Dynamic range (incl. AGC) | >120 dB |
|
Linearity Second-order intercept (SOI) Third-order intercept (TOI) 2) |
≥50 dBm, typ. 63 dBm ≥18 dBm, typ. 28 dBm |
| Intermodulation-free dynamic range | typ. 85 dB (in-band, bandwidth of 7.5 kHz) |
| Phase noise |
<–116 dBc (1 Hz) at 10 kHz offset typ. –120 dBc (1 Hz) at 10 kHz offset |
| Impedance | 50 W |
| Frequency stability | 1 × 10 –7 at –10 °C to +55 °C |
| Frequency setting accuracy | 1 Hz |
| Image frequency rejection | >90 dB, typ. 110 dB |
| IF rejection | >95 dB, typ. 110 dB |
|
MTBF EBD061 ET550 |
>28 000 h >25 000 h |
