環境噪聲衰減 的英文怎麼說
中文拼音 [huánjìngzàoshēngshuāijiǎn]
環境噪聲衰減
英文
attenuation of ambient noise- 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
- 境 : 名詞1 （疆界; 邊界） border; boundary 2 （地方; 區域） place; area; territory 3 （境況; 境地） co...
- 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
- 衰 : 衰動詞（衰弱） decline; wane
- 環境 : environment; surroundings; circumstances; ambient; closeness; ambience; ambiance; atmosphere
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
-
This paper is based on the theory of environmental science, systematology and noise control engineering. noise control system and comprehensive harness of fan room have been researched. by the investigate, and measure of fan room noise. sound production principle, acoustics characteristic and the law of attenuation propagation have been analyzed. thus, the sound field model of fan roo has been put for put forward ward
本文以環境科學、系統科學和噪聲控制學為理論基礎，對風機房噪聲控制系統及其綜合治理進行研究，通過對風機房噪聲污染調查監測，分析其發生機理、聲學特性和傳播過程衰減規律。In this paper based on the test and simulation of different power networks, the reliability and practicability of carrier communications are discussed and the impedance characteristic, transmission characteristic, the effect of noise on the low - voltage are also analyzed
本文基於對不同電網環境下的載波傳輸情況進行系統綜合測試和模擬的基礎上，針對載波通信的可靠性、實用性進行了探討。分析了低壓電力網的阻抗特性、傳輸衰減特性以及噪聲特性影響。
分享友人