noise isolation 中文意思是什麼
noise isolation
解釋
隔聲音-
Abstract : this paper describes the classical mathematic model of bolometer, the effect of thermal isolation and noise on detector performance are also discussed
文摘:總結了非製冷測輻射熱計的經典數學模型，並分析了探測器熱絕緣結構和噪聲對性能的影響，指出了性能改進和優化的基本途徑。 -
Suitable noise and vibration isolation, and protection against freezing must be provided.
必須提供適當的消聲和隔振以及防凍措施。 -
High - performance isolation power supply, magnetism isolation chip and photoelectricity coupler are employed to accomplish high - speed transmission for data, which improve the noise restraint and electric isolation. in addition, the error of measurement of the universal counter is analyzed in this thesis
使用了高性能的隔離電源、磁隔離晶元和光電耦合器，實現了對計數器的完全隔離，起到了很好的抗干擾效果和電氣隔離作用，可以實現數據高速傳播。 -
Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input
3 .模擬輸入通道設計有量程切換電路和濾波電路，並且採用了屏蔽、浮置技術和磁耦隔離技術，使用了高性能的隔離電源和磁電耦合器，有效地抑制了輸入信號的共模干擾和噪聲，實現了安全、高速的數據採集。 -
Based on the hypothesis that the input for earthquakes is white noise and using the principle of random optimal control, the features of vibration control and the effects of parameters such as isolation degree, damping and ground site on them were analyzed
假定地震動輸入為白噪聲，運用隨機最優控制原理，分析了組合隔震結構振動的控制性能以及隔震度、阻尼和場地等參數的影響。 -
This thesis describes some means and measures of controlling vibration and noise of the urban rail transit in the world. emphasis is laid on floating slab track which is a mass - spring vibration isolation system and the best vibration - decreasing measure in rail transit system
本文敘述了國內外用於控制城市軌道交通振動和噪聲的一些方法和措施，重點討論了浮置板式軌道結構，它是一種質量?彈簧隔振系統，是目前軌道交通中減振效果最好的措施。 -
Recently, it is due to the limitation of design on variable air volume air conditioner, the absence of effective vibration isolation system on the fixing of vantilation equipment and the maladjustment of air volume in the air channel, that the noise and vibration is in excess of the criterion, and much more economice dissension is solicited
摘要近年來，由於變風量空調器設計缺陷，安裝時沒有採用有效的減振措施引起機殼振動或管道風量調節不當，導致噪聲超標，引發了許多經濟糾紛。 -
And the supply scheduling design protects the mmic chips. the final measurement result shows the transmitter power reaches more than 500mw, noise figure is less than 6db, the receive gain is higher than 25db, the isolation is more than 40db
實驗結果顯示發射通路輸出功率> 500mw 、噪聲系數< 6db 、接收通路增益> 25db 、和差發射通路的隔離度> 40db ，收發隔離度> 40db ，基本達到指標要求。 -
This thesis mainly describes a tesing and consoling kit based on ni " s special virtual instrument software development kit - labwindows / cvi, aming at traditional testing device " s limitation such as high cost of hardware, complexity of construct, singleness of function etc. the tesing and consoling kit can condition the signal intermixed with interfere noise and deal with the collected datum through common signal conditioning ( amplification, isolation multiplex filtering ) -, software calibration digital filtering etc to analyse signal in time and frequency domain
本文針對傳統測量設備硬體成本高、構造復雜、重用性差、功能單一等方面的問題，著重探討了利用ni的labwindows cvi這一虛擬儀器開發軟體構建的測控平臺，通過通用信號調理（如放大、隔離、多路轉換、模擬濾波等） 、軟體校正、數字濾波等方法對混雜有干擾的信號進行調理及採集后的數據進行處理，然後進行時域或頻域的分析。 -
The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc
試驗表明，這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。 -
The integrated kalman filter method is applied to vehicle navigation system in order to revise the error of ins, study a method of refraining filter divergence in order to improve filter accuracy. the federated filter is applied to the system in order to realize the failure detection and isolation and the question of information distribution. the adaptive filter is applied to the system in order to solve the question of inaccuracy or unknown noise statistics and to make navigation accuracy increase
在gps / ins車輛組合導航中，應用集中式卡爾曼濾波演算法校正ins的誤差，研究了抑制濾波發散的方法，提高了濾波精度；應用聯邦濾波實現了gps / ins的信息融合與信息分配，解決了當gps發生故障時的故障檢測與隔離問題；應用自適應濾波解決了實際中噪聲統計特性不準確或未知的問題，提高了導航精度。 -
The dynamic predigesting model for passive isolation of flexible base system was established, and the four - pole parameters and machinery impedance methods were adopted to analyse the system, the expression of the responsibility and power flow transmissibility was deduced. by means of the matlab programming language, the responsibility and power flow transmissibility were simulated. proposed the vibration contrl method of optimizing system parameters. the methods proposed in this dissertation, can meet the requirement of decreasing vibration and noise for flexible base, and have some practicability and reference value
對柔性基礎被動隔振系統進行了力學建模簡化，並採用四端參數和機械阻抗方法對其進行分析，推導出其響應比和功率流傳遞率的表達式，並利用matlab程序設計語言對響應比和功率流傳遞率進行了模擬模擬。提出了以優化系統參數為措施的振動控制方法。本文所提出的方法，能夠滿足柔性基礎減振降噪的要求，具有一定的實用性和參考價值。 -
Noise isolation, noise absorption and muffling are individually applied to each region in accordance with their feature
根據不同分區內噪聲的特點，在不同控制區分別採用隔聲、吸聲和消聲等噪聲控制技術。 -
This kind of converter has the advantages such as high frequency electrical isolation, simple topology, two - stage power conversion ( lfac / hfac / lfac ), high power den sity, bi - directional power flow, soft commutation of output cycloconverter, uni - polarity spwm waveform, no audio noise etc. the correction and advance of the new concept of the 220v + 10 % ( 50hz ) / 220v ( 50hz ) uni - polarity phase - shifted controlled voltage mode ac / ac converter with high frequency
這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、輸出周波變換器實現了zvs換流、單極性spwm波、無音頻噪音等優點。 -
According to the control of noise resource, vibration absorbing, and vibration isolation, this paper provides several measures on the rail structure to solve the problem
從聲源的控制，隔振，吸振三方面著手，提出軌道結構方面的減振措施。 -
Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi
設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高頻環節逆變器原理試驗表明，這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac / hfac / lfac ） 、功率密度高、雙向功率流、音頻噪音低、變換效率高、網側功率因數高等優點，為新一代高功率密度、高變換效率、低成本航空靜止變流器奠定了關鍵技術基礎。
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