Akustik o‘lchashlar – bu?

Yuqori sinf cheklangan maqsadlar uchun yopiq kameralarning tasniflari qancha bo‘lishi kerak?
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#40 Hz dan, 30 dB, 12´9´8
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20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m
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60 Hz dan, 35 dB, 7’5’4
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100 Hz dan, 45 dB, 5´3´5
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Birinchi sinfli keng profili yopiq kameralarning tasniflari qancha bo’lishi kerak? ==== #60 Hz dan, 35 dB, 7’5’4 ==== 40 Hz dan, 30 dB, 12´9´8 ==== 20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m ==== 100 Hz dan, 45 dB, 5´3´5 ++++

Ikkinchi sinf yopiq kameralarning tasniflari qancha bo‘lishi kerak? ==== #100 Hz dan, 45 dB, 5´3´5 ==== 40 Hz dan, 30 dB, 12´9´8 ==== 20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m ==== 60 Hz dan, 35 dB, 7’5’4 ++++

Uchinchi sinf yopiq kameralarning tasniflari qancha bo‘lishi kerak? ==== #125 Hz dan, 50 dB, 3´5´2 ==== 40 Hz dan, 30 dB, 12´9´8 ==== 20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m ==== 60 Hz dan, 35 dB, 7’5’4 ++++

Sanoat yopiq kameralarning tasniflari qancha bo‘lishi kerak? ==== #200 Hz dan, 50 dB, 8´3´8 ==== 40 Hz dan, 30 dB, 12´9´8 ==== 20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m ==== 60 Hz dan, 35 dB, 7’5’4

Birinchi sinf cheklangan maqsadlar uchun yopiq kameralarning tasniflari qancha bo‘lishi kerak? ==== #80 Hz dan, 40 dB, 4´3´3 ==== 40 Hz dan, 30 dB, 12´9´8 ==== 20 Hz dan, o'z shovqin 25 dB, o‘lchamlari 40´15´12 m ==== 60 Hz dan, 35 dB, 7’5’4 ++++