水聲測量 的英文怎麼說
中文拼音 [shuǐshēngcèliáng]
水聲測量
英文
underwater acoustic measurement- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 水聲 : 1. [物理學]underwater sound2. (水發出的聲音) sound of water
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Hydrometry - measurement of discharge by the ultrasonic acoustic method
水文測量.用超聲The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means
同時設計應用聲學方法對水中不同能量的脈沖激光作用下產生的激光等離子體沖擊波波前傳播過程進行測試及數據分析,對光學陰影方法探測的激光等離子體沖擊波近場波前傳播數據進行詳細分析,結果表明新模型計算結果與實驗測量值一致。Acoustics - high - power characteristics and measurements of underwater sound projectors
水聲發射器的大功率特性和測量Acoustics - high - power characteristics of underwater sound projectors and their measurements
聲學水聲發射器的大功率特性和測量Many candidates lose many marks because of the fact that they run into difficulties in pronouncing consonant, simple or compound vowel, tone, suffixation of a non - syllabic, soft sound, oral expression and so on
在普通話水平測試中,應試者因在普通話的聲母、韻母、聲調、兒化、輕聲及口頭說話等方面常常存在一些共性問題,導致大量失分。While an elvis impersonator crooned christmas songs, cameras flashed, and santa claus listened to wishes from children, claxton and a helper used a yellow tape measure and a long red level to size up the sock. for a stocking to qualify, it had to be made with traditional materials and be filled with presents
當克拉克斯頓及一個助手用一件黃色捲尺和一個長的紅色水平儀對這只襪子進行測量時,現場有一位貓王模仿者低聲吟唱著聖誕歌曲,人們紛紛舉起了手中的照相機,而聖誕老人則在細心傾聽孩子們的各種願望。Acoustics - measurement method of insertion loss and echo reduction for the underwater acoustical material sample
水聲材料樣品插入損失和回聲降低的測量方法Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials - pulse - tube method
水聲材料縱波聲速和衰減的測量脈沖管法Acoustics. measurement method of insertion loss and echo reduction for the underwater acoustical material sample
聲學水聲材料樣品插入損失和回聲降低的測量方法This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理,介紹了流噪聲的控制方法;分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點;通過海水消聲器試驗測量臺架,利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲;用測量小室對水消聲器在低頻段的插入損失進行了測量。Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system
測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性,驗證了全長模型及其數據獲取系統物理設計的可靠性,為漂移室和電子學系統的成功研製奠定了基礎。A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。Pumps - rotodynamic pumps - circulation pumps having a rated power input not exceeding 200 w for heating installations and domestic hot water installations - noise test code vibro - acoustics for measuring structure and fluid - borne noise
泵.旋轉動力泵.家用熱水置裝和供熱裝置用的額定功率輸入不超過200w的循環泵.測量結構和流體導聲的噪音試驗編碼聲振搗Sound system equipment - headphones and earphones associated with portable audio equipment - maximum sound pressure level measurement methodology and limit considerations - general method for " one package equipment
音響系統設備.與便攜聲學設備相連的耳機和頭戴送受話器.最大聲壓水平測量方法學和限制.成套設備通用方法Measurement of underwater noise
水下噪聲測量The implementation of inmarsat - c gps technology in buoy system
技術在水聲測量浮標系統中的應用Underwater acoustic measurement
水聲測量The instrument adopts the theory of ultrasonic echo for quickly scanning river bed topography under water and employs the principle of resistance for measuring river bed topography upon water and shallow beach topography, which increases the measuring speed effectively and decreases the disturbing influence on river bed
該儀器採用超聲測量原理實現了水下地形的無接觸快速掃描測量,採用阻抗原理實現了洲灘、邊灘、淺灘的地形測量,有效提高了測量速度,並減小了對河床的擾動影響。At the basis of designing underwater geomorphological measurement system concrete plan, this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system. this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array. it covers the basic situation, the study benefits, the classification and role, analyses the performance index, designs the performance parameter relating to themselves performance synthesis and sonar equation
論文在制定水下地貌測量系統技術方案的基礎上,論述了該系統中的水深測量聲納系統和動態定位系統( dgps ) ,分析了水聲換能器及基陣的性能指標,確定了換能器及基陣的主要性能參數。Buoyed under water noise monitor system
潛標式水下目標噪聲測量系統分享友人