Kev sib txuas lus satellite ua lub luag haujlwm tseem ceeb hauv kev siv tub rog niaj hnub thiab pej xeem, tab sis nws qhov kev cuam tshuam rau kev cuam tshuam tau ua rau muaj kev txhim kho ntawm ntau yam kev tawm tsam. Tsab ntawv xov xwm no nthuav tawm rau 6 qhov tseem ceeb txawv teb chaws technologies: kis spectrum, coding thiab modulation, kav hlau txais xov anti-jamming, on-board ua, transform-domain processing, thiab amplitude-domain processing, nrog rau adaptive txuas cov tswv yim, tshuaj xyuas lawv cov hauv paus ntsiab lus thiab kev siv.
1. Tshaj tawm spectrum Technologycov
Spread spectrum txhim khu kev tiv thaiv kev muaj peev xwm los ntawm kev nthuav tawm cov teeb liab bandwidth, txo hwj chim spectral ceev. Direct Sequence Spread Spectrum (DSSS) siv pseudo-random codes kom nthuav dav lub teeb liab bandwidth, dispersing narrowband cuam tshuam lub zog. Qhov no yog qhov tseem ceeb hauv kev sib txuas lus tub rog satellite, tiv thaiv kev txhob txwm ua txhaum (piv txwv li, co-frequency lossis broadband nrov cuam tshuam) kom muaj kev ruaj ntseg thiab kev txawj ntse kis tau tus mob.
2. Coding thiab Modulation Technologycov
Advanced yuam kev-kho cov lis dej num (xws li, Turbo codes, LDPC) ua ke nrog high-order modulation (piv txwv li, PSK, QAM) txhim kho spectral efficiency thaum txo kev cuam tshuam-induced yuam kev. Piv txwv li, LDPC nrog kev txiav txim siab QAM txhim kho kev lag luam satellite cov kev pabcuam (xws li HDTV, internet) thiab ua kom muaj kev sib txuas lus tub rog muaj zog hauv qhov chaw sib tw.
3. Kav hlau txais xov Anti-Jamming Technologycov
Adaptive thiab ntse kav hlau txais xov dynamically kho beam qauv kom nullify jammers. Adaptive antennas steer nulls mus rau qhov cuam tshuam, thaum lub kav hlau txais xov ntse siv ntau qhov kev ua haujlwm rau kev lim dej. Cov no yog qhov tseem ceeb hauv tub rog SATCOM los tawm tsam kev ua tsov rog hluav taws xob.
4. On-Board Processing (OBP) Technologycov
OBP ua cov teeb liab demodulation, decoding, thiab routing ncaj qha rau satellites, txo cov av relay vulnerabilities. Cov ntawv thov tub rog suav nrog kev ua haujlwm ruaj ntseg hauv zos los tiv thaiv eavesdropping thiab optimized pab faib rau efficiency.
5. Hloov-Domain Processingcov
Cov txuj ci zoo li FFT thiab wavelet hloov pauv cov teeb liab mus rau zaus los yog lub sij hawm zaus rau kev cuam tshuam kev lim dej. Qhov no combats broadband thiab lub sij hawm sib txawv jamming, txhim kho adaptability nyob rau hauv complex electromagnetic ib puag ncig.
6. Amplitude-Domain Processingcov
Limiters thiab Automatic Gain Control (AGC) suppress muaj zog impulsive cuam tshuam (xws li, xob laim los yog yeeb ncuab jamming), tiv thaiv receiver circuits thiab tswj kev ruaj ntseg txuas.
7. Adaptive Link Technologycov
Kev hloov kho lub sijhawm tiag tiag rau coding, kev hloov pauv, thiab cov ntaub ntawv tus nqi raws li cov xwm txheej hauv channel (xws li, SNR, BER) ua kom muaj kev sib txuas lus zoo txawm tias huab cua los yog jamming. Tub rog systems leverage qhov no rau resilience nyob rau hauv dynamic tsov rog scenarios.
Xauscov
Txawv teb chaws los tiv thaiv jamming technologies siv ntau txheej txheej txheej spanning teeb liab ua, coding, thiab adaptive systems. Kev siv tub rog yog qhov tseem ceeb ntawm kev ruaj ntseg thiab kev nyab xeeb, thaum kev lag luam kev lag luam tsom mus rau kev ua tau zoo. Kev nce qib yav tom ntej tuaj yeem ua ke nrog AI thiab kev ua haujlwm ntawm lub sijhawm los tawm tsam kev hem thawj.
Chengdu Concept Microwave Technology CO., Ltd yog lub chaw tsim khoom lag luam ntawm 5G / 6G RF Cheebtsam rau kev sib txuas lus satellite hauv Suav teb, suav nrog RF lowpass lim, highpass lim, bandpass lim, notch lim / band nres lim, duplexer, Fais fab divider thiab directional coupler. Tag nrho lawv tuaj yeem kho raws li koj qhov kev xav tau.
Txais tos rau peb lub vev xaib:www.concept-mw.comlos yog hu rau peb ntawm:sales@concept-mw.com
Post lub sij hawm: Lub Xya hli ntuj-29-2025