Nkɔso nhyehyɛe a ɛfa radio frequency identification mfiridwuma ho .

Radio Frequency Identification (RFID), a wɔsan frɛ no Radio Frequency Identification (RFID) mfiridwuma, yɛ mfiridwuma a ɛyɛ adwuma ankasa a ɛde radio frequency a wɔmfa nhama nkɔ mu di dwuma ma non{0}}di nsɛm abien ho nkitahodi ho nkitaho. Ɛde radio frequency a wɔmfa nhama nni dwuma kenkan na wɔkyerɛw nsɛm a wɔkyere gu so (ɛlektrɔnik tags anaa RF kaad) de nya botae ahorow a wɔde hu ne data a wɔde sesa. Wobu no sɛ ɛyɛ afeha a ɛto so 21 yi mu nsɛm ho mfiridwuma a ɛhyɛ bɔ sen biara no mu biako.

 

Wireless Radio Frequency Identification Technology di dwuma denam nkitahodi a wɔmfa nhama nkɔ so ne mfiridwuma ho nimdeɛ a wɔde di dwuma ntɛmntɛm a wɔde di dwuma denam nsɛm a wɔde sesa ntɛmntɛm ne nea wɔkora so so, na afei wɔde kɔ database nhyehyɛe bi so na ama wɔanya nkitahodi a enni nkitahodi kwan abien so. Ɛsesa data na ɛka nhyehyɛe bi a ɛyɛ den yiye bom. Wɔde electromagnetic asorɔkye di dwuma wɔ recognition system no mu de kenkan, kyerɛw, na ɛne electronic tags di nkitaho. Wɔakyekyɛ mu sɛ ɛbɛn afuw anaa akyirikyiri afuw a egyina nkitahodi kwan no so. Nea ɛde ba ne sɛ, wɔakyekyɛ data a wɔde sesa nneɛma wɔ akenkan/kyerɛw mfiri ne ɛlɛtrɔnik tag ahorow ntam no mu abien: load modulation ne backscatter modulation.

 

RFID ankɔ soro wɔ nnansa yi mfe mu. Wɔ 1940 mu no, na RFID afi ase dedaw sɛ wɔbɛhwehwɛ nneɛma mu na wɔayɛ nkɔso, na ɛde besi nnɛ no, RFID mfiridwuma da so ara renya nkɔso na ɛrenya nkɔso bere nyinaa. Momma yɛnhwɛ nkɔso nhyehyɛe a ɛwɔ RFID mu no.

1940-1950: Esiane sɛ radar mfiridwuma nyaa nkɔso ne nkɔso nti, wonyaa RFID mfiridwuma, na wɔwoo RFID nsusuwii fapem wɔ 1948 mu.

1950-1960: Nkurɔfo fii ase hwehwɛɛ RFID mfiridwuma mu, nanso wɔantwe wɔn ho amfi nhwehwɛmu a wɔyɛ wɔ aduruyɛdan mu ho.

1960-1970: Nsusuwii ahorow a ɛfa ho no kɔɔ so nyaa nkɔso na wofii ase de nhyehyɛe yi dii dwuma wɔ nneyɛe mu.

1970-1980: Wɔyɛɛ RFID mfiridwuma no foforo bere nyinaa, na wɔyɛɛ nneɛma ho nhwehwɛmu nkakrankakra, na RFID sɔhwɛ fii ase yɛɛ ntɛmntɛm. na ohui sɛnea wɔde nhyehyɛe ahorow a ɛfa ho di dwuma.

1980-1990: Wɔyɛɛ RFID mfiridwuma ne nneɛma a ɛfa ho na wɔde dii dwuma wɔ gua so, na dwumadie wɔ nnwuma ahodoɔ mu puei.

1990-2000: Nkurɔfo fii ase de wɔn adwene sii RFID gyinapɛn ho asɛm no so, na wobetumi ahu RFID nhyehyɛe ahorow wɔ asetra mu mmeae pii.

Wɔ afe 2000 akyi: Nkurɔfo huu hia a ɛho hia sɛ wɔyɛ gyinapɛn ho nsɛm, na wɔmaa RFID nneɛma ahorow no yɛɛ kɛse bio na wɔyɛɛ no ​​yiye. Sɛ́ ebia active, passive anaa semi-active electronic tags fii ase yɛɛ adwuma no, ɛka a wɔbɔ wɔ nneɛma a wɔyɛ ho no so tew kɛse, na application fields no kɔɔ soro nkakrankakra.

Wɔ afe 2020 mu no, radio frequency circuits yɛ integrated circuits a wɔde di dwuma kɛse wɔ wireless nkitahodi mu, efi satellite nkitahodi so kosi telefon a wokura kyin so, WiFi, ne sakre a wɔkyɛ so. Wobetumi ahu radio frequency circuits wɔ baabiara. Design yɛ RF nnwuma nkɔnsɔnkɔnsɔn no fibea, na RF Electronic Design Automation (EDA) softwea no yɛ nea ɛma RF amansin nhyehyɛe no yɛ adwuma na ɛyɛ RF nnwuma no tweatibo a ɛho hia.

 

Wɔama RFID ho mfiridwuma ho nsusuwii no ayɛ kɛse na wɔayɛ no yiye. Nkurɔfoɔ ayɛ single-chip electronic tags, multi-ɛlektrɔnik tag akenkan, wireless akenkan ne writability, ne RFID mfiridwuma a ɛsakra ma ɛne soro-ahoɔhare a ɛrekɔ so kɔ so yɛ, na nneɛma a ɛfa ho nso ahyɛ yɛn abrabɔ mu. , na wofii ase de dii dwuma kɛse.

 

Bere a wɔde gyinapɛn ahorow asi hɔ no, wɔde application mfuw ahorow pii, application dodow a ɛkɔ soro, mfiridwuma mu nkɔso a ɛkɔ so, ne mfiridwuma mu nkɔso a ɛkɔ so ntɛmntɛm (sɛ nhwɛso no, wɔ nhoma ahorow mu no, wɔde ink a ɛma nsu yɛ adwuma no tintim radio frequency identification antenna a ɛwɔ anim anaa copyright krataafa no so tẽẽ). Ɛka a wɔbɔ no bɛyɛ nea ɛba fam; Nea ɛto so abien no, kwan a ɛda adi no bɛyɛ tenten, mpo passive radio frequency identification tags betumi adu mita du du; Ne kɛse nso bɛyɛ ketewaa.