To noise ratio
Elenco to noise ratio
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3a-1aoutput interface: smareference enr (extra noise ratio): 0just replace the tracking source directly q: what is enra: enr, the full english name is excess noise ratio, that is, the multiple of the noise source exceeding the standard noise temperature t0 thermal noisehere we mean that the spectrum is not connected to the noise source and the signal strength is poor after the noise source is connected5g/20db,qa:q: what is this and what is it for?a: noise source, generate noise, can be used as spectrum tracking source, interference sourceq: what is the basic principle and how to use it?a: using a special voltage regulator tube, white noise is generated in the breakdown state, and then amplifiedpackage includes:1 x dsa815 spectrum analyzer5g/55db, 1g/52db, 15g/30db, 3g/27db, 3feature:test equipment: dsa815 spectrum analyzer (9khz-15ghz);power supply: 12v1a;power supply: dc12v/05g/48db 2g/38db 2
Italia
138100004196167 €
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Sensibilità pratica: s15dbrisoluzione stereo: 25 dbsnr (signal to noise ratio): 60 dbsupport music format3%snr (signal to noise ratio): 60 db pacchetto incluso: 1 x lettore mp3 per veicoli1 x remoto controllo1 istruzione x2 cavi x2 x disassemblare la chiavedescrizione:built-in bluetooth + microfonosupporta chiamate a mani liberesupporta il negozio di radio a tre bande fm1-fm2-fm3 e può memorizzare 18 stazioni radiola riproduzione mp3 supporta la riproduzione pausa / anteprima / ripetizione / riproduzione casuale e 10 brani su / giùuscita a 4 tracce ad alta potenza (4 altoparlanti ad alta potenza) specifiche di prodotto:tensione di lavoro: dc12vfm radiosupporto audio: formati mp3 / wma / wav e così viamp3/wmai supporti display: ld3 displaydistorsione: 0supporta lorologio che indica quando lalimentazione è spentasupporta la modalità di trasmissione audio avanzata(radio frequenza: 87,5-108 mhz)supporto per lettore di schede usb / tfradio fm digitale stereo di alta qualità tipo elettronico basso / acuto / bilanciamento sinistro e destro / controllo del volume di bilanciamento anteriore e posterioreforo di ingresso audio anteriore aux e terminale posteriore foro di uscita rca audio l / rfrequenza: 87,5-108,0 mhzsupporto per la riproduzione di cartellesupporta il controllo remotocontrollo del volume elettronico rotativo
Italia
32369998931884766 €
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48ghzsignal to noise ratio: 110dbimpedance: 75ωsupport audio output ports: can connect with 35mm aux audio cable1 x rca aux cable1 x usb power cable1 x user manualpackage included:1 x c51 nfc bluetooth receiver1 x 3support tf card playback: support tf card playback, plug and play, no delay in transmissionlong-range wireless connection: the wireless bluetooth adapter supports the connection up to 15 meters/49 feet, controlling the music playing in a long distance5mm headset, stereo system, speakersystem support: all bluetooth audio device; nfc device availablespecifications:1supports nfc: built-in chip,you can directly connect with the nfc mobile phone or other support nfc bluetooth device by touch this receiver3description:bluetooth protocol: a2dp / avrcpbluetooth distance: 10 metersinterface: rca / auxfrequency range: 25mm audio cable, you can easily turn your old-fashioned speaker into a bluetooth speaker in seconds
Italia
15779999732971191 €
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5cm rated power: 5w power supply: lithium battery 5v dc play time: 2-3 hours degree of separation: 80db signal to noise ratio: 80db frequency response: 90hz-20khz package include: 1 x radio 1 x cable 1 x user manualmaterial:metal color: red, blue size:11*7*2
Italia
8699999809265137 €
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0)output impedance: 4-8ohmcurrent: more than 3asignal to noise ratio: 100dbweight: 21gla confezione include:1 modulo amplificatore(gli altri articoli non sono inclusi)parametro:chip: tpa3110condition: xh-a232application: computersupply voltage: dc8v-26vdissipation power: 30w+30wsize: 53*45*14mmchannels: 2 (2
Italia
5550000190734863 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetpackage included:1 x synthetic wigs2 x hairnetnotice:1store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderitem type: synthetic wigscolors: black,brownweight: 160glength: 9 inchmaterial: high temperature fiberpermed: cant permedfeatures:1wear the wig net caphigh-temperature fiber material, fine and softenjoy your beautiful hairstyleit may loose its style due to long transport, but it will recover the shape after washing and drying itthe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brigweight may be 5-10g inaccuracy due to hand measuresize may be 2cm/1 inch inaccuracy due to hand measurethe new item may be odorous a bit, you can put it in ventilation places for two days before you use ithow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needsaffix the hair piece to ensure that the hair does not leak outuse a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;2wear the wig and adjust the look
Italia
389900016784668 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetstore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderenjoy your beautiful hairstylewear the wig net caphigh-temperature fiber material, fine and softit may loose its style due to long transport, but it will recover the shape after washing and drying itpackage included:1 x synthetic wigs1 x hairnetnotice:1weight may be 5-10g inaccuracy due to hand measuresize may be 2cm/1 inch inaccuracy due to hand measurethe new item may be odorous a bit, you can put it in ventilation places for two days before you use itthe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brightneshow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needsaffix the hair piece to ensure that the hair does not leak outitem type: synthetic wigscolors: blackweight: 200glength: 28 inchmaterial: high temperature fiberpermed: cant permedfeatures:1use a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;2wear the wig and adjust the look
Italia
3806999969482422 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3high-temperature fiber material, fine and softthe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brightnpackage included:1 x synthetic wigs1 x hairnetnotice:1affix the hair piece to ensure that the hair does not leak outeasy to wear,comes with a hairnet2 inchmaterial: high temperature fiberpermed: cant permedfeatures:1it may loose its style due to long transport, but it will recover the shape after washing and drying ititem type: synthetic wigscolors: blackweight: 230glength: 26enjoy your beautiful hairstyleuse a dry towel to absorb the moisture of the wig and let it dry naturally;5store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderweight may be 5-10g inaccuracy due to hand measuresize may be 2cm/1 inch inaccuracy due to hand measurethe new item may be odorous a bit, you can put it in ventilation places for two days before you use ithow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needswear the wig net capcomb the wig smoothly;2wear the wig and adjust the look
Italia
3991999816894531 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetstore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderitem type: synthetic wigscolors: blackweight: 240 glength: 70 cm / 27high-temperature fiber material, fine and softenjoy your beautiful hairstylehow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needswear the wig net capaffix the hair piece to ensure that the hair does not leak out56 inchmaterial: high temperature fiberpermed: cant permedfeatures:1use a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;2package included:1 x synthetic wigs1 x hairnetwear the wig and adjust the look
Italia
15869999885559082 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetitem type: synthetic wigscolors: blackweight: 280 glength: 58 cm / 22store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderenjoy your beautiful hairstylehigh-temperature fiber material, fine and soft83 inchwig head circumference: 57 cm / 22package included:1 x synthetic wigs1 x hairnethow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needswear the wig net capaffix the hair piece to ensure that the hair does not leak outuse a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;244 inchmaterial: high temperature fiberpermed: cant permedfeatures:1wear the wig and adjust the look
Italia
3266999816894531 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetstore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderenjoy your beautiful hairstylehigh-temperature fiber material, fine and softitem type: synthetic wigscolors: blackweight: 180 glength: 45 cm / 17package included:1 x synthetic wigs1 x hairnethow to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needswear the wig net capaffix the hair piece to ensure that the hair does not leak outuse a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;272 inchmaterial: high temperature fiberpermed: cant permedfeatures:1wear the wig and adjust the look
Italia
14930000305175781 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetitem type: synthetic wigscolors: blackweight: 280 glength: 58 cm / 22store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderenjoy your beautiful hairstylehigh-temperature fiber material, fine and soft83 inchwig head circumference: 57 cm / 2244 inchmaterial: high temperature fiberpermed: can't permedfeatures:1how to wash and store wigs:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4diy your hairstyle according to personal needswear the wig net capaffix the hair piece to ensure that the hair does not leak outuse a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;2package included:1 x synthetic wigs1 x hairnetwear the wig and adjust the look
Italia
324900016784668 €
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Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3easy to wear,comes with a hairnetstore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderenjoy your beautiful hairstylehigh-temperature fiber material, fine and softitem type: synthetic wigscolors: blackweight: 180 glength: 45 cm / 1772 inchmaterial: high temperature fiberpermed: can't permedfeatures:1how to wash and store wigs:1diy your hairstyle according to personal needswear the wig net capaffix the hair piece to ensure that the hair does not leak outafter 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4use a dry towel to absorb the moisture of the wig and let it dry naturally;5comb the wig smoothly;2package included:1 x synthetic wigs1 x hairnetwear the wig and adjust the look
Italia
14850000381469727 €