有效響器 的英文怎麼說
中文拼音 [yǒuxiàoxiǎngqì]
有效響器
英文
efficient sounding apparatus-
With simple craft and reliable effect, it is not good for mufflers appearance of bestrided motorcycle
工藝簡單效果可靠,對原車的發動機部分不作任何調整,但對跨騎式車消聲器的外觀稍有影響。The brief name ring, measures a device right high, inside, low and each segment scope for ability for even emersion of signal, pointing lowestly validity returning putting the frequency with tallestly validity returning put of the frequencying. request towards device rang contain both side, on is a scoping as far as possible breadth, can be namely frequency bottom that replay the is as far as possible low, and the upper limit is as far as possible high ; two is a frequency scope the inside is at all point to respond to as far as possible flat, avoided to appeared the big motion
簡稱頻響,衡量一件器材對高中低各頻段信號均勻再現的能力,指最低有效回放頻率與最高有效回放頻率之間的范圍。對器材頻響的要求有兩方面,一是范圍盡量寬,即能夠重播的頻率下限盡量低,上限盡量高二是頻率范圍內各點的響應盡量平坦,避免出現過大的波動。Based the eag - i etchant, a new etchant was developed, with which the etch pit pattern on ( 110 ), ( 111 ) and ( 100 ) faces of czt crystals can emerge immediately and effectually. this pager investigated relation between the ( 110 ) faces of cutting from crystals conveniently and accurately by laser reflex method. by the surface treatment, the nuclear radiation detector was fabricated with ( 110 ) of czt crystal and strong 241am responsibility was observed
在改變e _ ( ag )腐蝕液的配方的基礎上,研製了新的腐蝕液,可方便、快速、有效的顯示czt不同晶面的缺陷蝕坑形貌;研究了利用激光正反射法和自然解理的不同( 110 )面之間的關系,方便、快速、準確的進行定向切割晶體的方法;採用生長的czt單晶體自然解理的( 110 )面,經過表面處理,試制了探測器元件,對24lam有較強的響應。Abstract : available irradiation range of laser irradiator influences the efficiency of weapon system of laserhalf initiative end guilding shell
文摘:在激光半主動末制導炮彈武器中,激光照射器的有效照射距離對武器系統的作戰效能有著很大影響。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。With a good understanding of the physics of natural reverberation, and the fundamental operational principles of reverb processors, it is possible to quickly create the illusion of any acoustic environment you can imagine
很好地理解自然混響的物理特性,以及混響效果器的基本運演算法則,能幫助你很快的幻想出所有假想的聲學空間。Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well
第四章設計和確定了儀器系統軟體演算法的部分參數:分析和比較了不同群延遲特性的數字濾波器對頻率估計的影響;確定了影響頻率估計參數?數據長度的取值規律;給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。Result demonstrates, the girl student participates in physical training motivation purpose makes a diversification clear and assumes, the project choosing interest mainly and moving amounts minor, antagonistically weak sport carries out an activity ; be fond of participating in a collective waiting for an activity ; exercise number of times weekly and exercise grave deficiency of time every time ; the major factors being to affect girl student physical training such as space equipment and material deficiency, effective instruction after class means insufficiency
結果顯示,女生參加體育鍛煉動機目的明確並呈多樣化,主要選擇趣味性和運動量小、對抗性弱的運動項目進行鍛煉;喜愛參加集體等鍛煉;每周鍛煉次數和每次鍛煉時間嚴重不足;場地器材不足、課外輔導的有效手段的缺乏等等是影響女生體育鍛煉的主要因素。Aim to eliminate the influences of backlash nonlinear characteristics, a second generation adaptive pid controller based on single neuron is given. the result of simulation and the debug of actual digital servo system shows that the controller can effectively get rid of the sustained oscillation of the system caused by the backlash characteristics, and can improve the system accuracy
隨后,採用改進型單神經元自適應pid控制器來消除間隙非線性對系統的影響,模擬結果表明所採用的方法能有效消除間隙特性引起的系統自振蕩,並且能夠提高系統的跟蹤精度。To the zvt - pwm soft - switching converter, not only the resonant parameters but the input and output voltage and the load can affect the converter efficiency. a detailed research of a typical zvt - pwm buck converter is done in this paper
對zvt - pwmbuck變換器而言,除了諧振參數對工作效率有很大的影響外,變換器輸入輸出電壓和所帶負載對工作效率都有影響。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air
經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流器和條縫風口送風,空調室內的溫度場和速度場較均勻,室內的熱環境良好。The experimental results showed that the substrate of pyroelectric sensor could significantly affect the detectivity. the porous silicon dioxide and pet plastic film substrate could effectively decrease the thermal conduction and the thermal fluctuation noise of the pyroelectric element, increase the voltage responsivity and the detectivity obviously
結果表明,多孔氧化硅和pet塑料可有效降低熱釋電元件的對外熱傳導,明顯提高傳感器的電壓響應率和降低熱釋電元件的熱噪聲。During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss
在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究,該結構採用分段變摻雜多區p ~ -降場層,有效降低器件的表面電場,縮短器件的漂移區長度,增大p ~ -降場層注入劑量的選擇范圍,並有效地抑制界面電荷qss對器件耐壓的不利影響。The sensor could eliminate the interference of electroactive ascorbic acid, and exhibited high operational and storage stability ( no apparently difference in response of the biosensor was observed after been used continuously for 150 times and stored for 5 months )
傳感器能有效消除電活性物質(抗壞血酸)對測量帶來的干擾,同時具有較高的操作和貯存穩定性(連續使用150次、冷藏5個月後,響應無明顯下降) 。The article elaborates the construction and principle of operation and process craft of the tube and corrugated fin rad i ator, and studies the heat transfer mechani sm and the fluid resistance characteristics of the tube and corrugated fin radiator
本文闡述了管帶式散熱器的結構、工作原理和加工工藝;研究了管帶式散熱器的傳熱及流動阻力特性;進行了散熱器性能強化的影響因素與有效途徑分析。After giving all - sided analysis and evaluation on kinds of memory allocation pattern, it designs rtps _ cached _ allocator, a pooled memory allocator which can decrease the overhead resulted from the general dynamic heap allocation, in order to improve the dynamic performance of a system and meet the de mand of qos predictability. a memory pool management framework, mpmf, is also shown
在全面分析總結各種內存分配模式及其優缺點與適用環境的基礎上,針對實時響應系統對動態性能和qos可預測性的需求,設計實現了一個能夠有效減少內存分配開銷的池式分配器rtpsmachemllocator ,提出了一個內存池管理框架mpmf 。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble
本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。If no matching valid response can be found in the browser cache, the request is sent to the network
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