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Shanghai Institute of Applied Physics (siap), Chinese Academy of Sciences (cas) ndi xst alumikizana manja kuti apange cholandirira chapamwamba chapamwamba cha ma shortwave

2025-02-24

Zogulitsa

Olandira Mawonekedwe Aakulu a Shortwave
Ma Ultra shortwave olandila
Zigawo Zosiyanasiyana za Frequency

Mawonekedwe a Zamalonda

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Kufuna Kwamakasitomala

I. Mbiri ndi Mau Oyambirira
Shanghai Institute of Applied Physics (SIAP) ya Chinese Academy of Sciences (CAS) ndi kafukufuku wofunikira pa sayansi ya nyukiliya ndi teknoloji, ndi 'Key Laboratory of Microinterface Physics and Detection of the Chinese Academy of Sciences (CAS)', 'Shanghai Key Laboratory ya Cryogenic Superconducting ndi High-Frequency High-Frequency Cavity Cavity Cavity' ndi Shanghai Key Laboratory ya Cryogenic Superconducting ndi High-Frequency Cavity Cavity Cavity Frequency Cavity Technology '. Shanghai Key Laboratory of Low Temperature Superconducting High Frequency Cavity Technology '. Ma inverter omwe apangidwa mumgwirizanowu adzagwiritsidwa ntchito kwa ma superconducting linear accelerators a ma laboratories omwe ali pamwambapa, omwe apereka yankho lofunikira pakufufuza kogwiritsidwa ntchito kwaukadaulo wa nyukiliya.
II. Co-operation Mode ndi Mechanism
Pogwirizana, mbali zonse ziwiri zakhala zikugwirizanitsa ndi mgwirizano. Kudzera pamisonkhano yanthawi zonse, malipoti a momwe zinthu zikuyendera komanso kusinthana kwapamalo, mbali zonse ziwiri zimatsimikizira kuti tsatanetsatane waukadaulo ndikumveka bwino komanso kuzindikiridwa. Njira yolankhulirana yabwinoyi sikuti imangopititsa patsogolo chitukuko cha mankhwala, komanso imapangitsa kuti zinthu zisamayende bwino.
III. Synthesis Technology ndi Zopindulitsa
Chojambulira chamtundu wamtundu wamtundu wapamwamba kwambiri chomwe chimasinthidwa ndi XST kwa ASTRI chimakhala ndi kufalikira kwafupipafupi (kokhoza kulandira ma siginecha afupiafupi amagulu angapo), kuthekera kolimba (zilibe kanthu kuti ndikusintha kwa matalikidwe (AM), frequency modulation (FM) kapena single-sideband modulation (SSB), wolandila wa shortwave amatha kutsitsa chidziwitso champhamvu ndikusintha mawonekedwe amphamvu kufalikira kwa nyengo ndi nyengo zosiyanasiyana). (kutha kusintha nyengo zosiyanasiyana ndi nthawi ya mawonekedwe afupikitsa a mawonekedwe a mafunde afupipafupi) ndi zina zaukadaulo ndi zabwino zake.
Popeza olandila mafunde afupiafupi a XST adayikidwa mu labotale, adapambana mbiri yabwino yamakasitomala ndi magwiridwe antchito awo abwino komanso mtengo wokwera, ndipo alimbikitsa luso ndi chitukuko cha sayansi ya nyukiliya ndi ukadaulo, ndikupereka zofunikira pakupita patsogolo kwasayansi ndiukadaulo komanso kumanga chitetezo cha dziko.

Zogulitsa Zamalonda Parameter Zofunikira za index
• Zinthu Zogulitsa
• Kusanthula mwachangu
• Kukula kochepa
• Kukhazikika kwakukulu
• Kukhudzidwa kwambiri
Kulandila pafupipafupi 0.1MHz ~ 30MHz
Phase Noise ≤ -110dBc/Hz@10kHz
Synthesizer kusintha nthawi ≤500μs
Chithunzi cha Phokoso ≤ 9dB
Mapulogalamu Lowetsani dongosolo lachiwiri ≥ 70dBm
• Wireless signal reception
• Kuyang'anira wailesi, kuzindikira ndi wailesi
• kasamalidwe ka sipekitiramu
• Zida Zoyesa Kuyankhulana kwa Shortwave
• Shortwave communications analyzer
• Kuyang'anira chitetezo ndi chitetezo ndikumvetsera
Linanena bungwe lachitatu dongosolo intercept mfundo ≥30dBm
Kukana pafupipafupi pagalasi 115dB
NGATI kukanidwa ≥ 115dB
IF pafupipafupi 70MHz
Chizindikiro chabodza chamkati ≤ -110dBm
IF Bandwidth 2MHz, 30kHz

 

Main luso zizindikiro za mankhwala Main luso zizindikiro za mankhwala Main luso zizindikiro za mankhwala
1, Makhalidwe pafupipafupi 2. Mphamvu, kukhudzika, komanso kuletsa chizindikiro chabodza 3, Makhalidwe apakatikati pafupipafupi
Dzina lachizindikiritso osachepera wamba pazipita gwirizanitsani ndemanga Dzina lachizindikiritso osachepera wamba pazipita gwirizanitsani ndemanga Dzina lachizindikiritso osachepera wamba pazipita gwirizanitsani ndemanga
Receiver pafupipafupi osiyanasiyana 0.1   30 MHz   Phokoso lamphamvu 59 9   dB Kupindula kwathunthu Mafupipafupi apakatikati   70   MHz  
Ochepera pafupipafupi sitepe ya synthesizer   1   kHz   Kupindula kwa Link 55 60 61 dB Broadband mode 3dB bandwidth 2     MHz Broadband mode
Synthesizer kusintha nthawi     500 μs     56 57 dB Narrowband mode 30     kHz Narrowband mode
phokoso la gawo   -110 dBc/Hz @10kH   Maximum RF attenuation   56   dB Kutsika kwa 1dB 2MHz Bandwidth rectangular coefficient     3   BW-60dB/BW-3dB
A/D Clock linanena bungwe pafupipafupi   100   MHz   Kuchepetsa pafupipafupi kwapakatikati   30   dB Kutsika kwa 1dB 30kHz Bandwidth yamakona anayi     3   BW-60dB/BW-3dB
Reference source kukhazikika pafupipafupi     ±0.1 ppm Zomangidwa muzowunikira Lowetsani podutsa njira yachiwiri   30   dB Kupindula kwathunthu Mu bandi kusinthasintha kwapakati pafupipafupi linanena bungwe     1 dB kutentha kwa mumlengalenga
Kusanja kochulukira pafupipafupi   ±2   ppm Kuwongolera kwafakitale Kutulutsa kwadongosolo lachitatu lodulira mkati mwa bandi   70   dB Kupindula kwathunthu Pakatikati pafupipafupi linanena bungwe 1dB psinjika mfundo 16     dBm  
            Mirror frequency kupondereza   30   dB   IF Zotulutsa Zosokoneza   50   O!  
            Ngati Kukana   115   dB              
            Zizindikiro zabodza zamkati   -120 -110 dBm Kutembenuzidwa ku mapeto olowetsa, muyeso wopindula mokwanira            
            Kuyika kwa RF kofananira ndi impedance   50   O!