采濾器 的英文怎麼說
中文拼音 [cǎilǜqì]
采濾器
英文
sludge sampler-
In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control
在模擬電路部分,採用可編程濾波器max262 ,這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求,為了使采樣到的信號的幅度滿足後面a d轉換器的要求,採用max551對采樣到的信號進行調理(增益控制) 。We also researched the frequency structure of ddc and interchanged the filter multiphase heft and taking out - operation using the theory of equivalent counterchange in multisampling system
從理論上研究了數字下變頻的頻譜結構,利用多采樣率系統中結構的等效變換原理,將濾波器多相分量與抽取操作進行互換。Thirdly, the fir decimating filter under over - sampling is designed and realized
三、過采樣條件下的fir抽取濾波器設計與實現。It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given
在硬體電路實現上,注意選擇信號傳感器;合理設計了信號放大電路和濾波電路;設計了頻率跟蹤電路,數據采樣/保持電路;結合軟體控制選用了12位高精度的a / d轉換器,使軟體編程簡化且具有較高的靈和性和可擴展性。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Iraq ' s procurement efforts include equipment that can filter and separate micro - organisms and toxins involved in biological weapons, equipment that can be used to concentrate the agent, growth media that can be used to continue producing anthrax and botulinum toxin, sterilization equipment for laboratories, glass - lined reactors and specialty pumps that can handle corrosive chemical weapons agents and precursors, large amounts of vinyl chloride, a precursor for nerve and blister agents, and other chemicals such as sodium sulfide, an important mustard agent precursor
伊拉克采購的設備包括可過濾和分離生化武器中微生物和毒素的設備;可用於為炭疽病毒和肉毒(桿)菌病毒集中藥劑和生長媒體的設備;實驗室殺菌設備;可處理腐蝕性化學武器藥劑、前體、乙烯基氯化物(一種神經和水泡藥劑)及其他化學藥劑(如鈉硫化物,芥子氣藥劑的前體)的玻璃線紋反應堆和專業水泵。The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design
開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路,更適合電路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單,易於調試等優點,所以研究和設計開關電容濾波器有著重要的理論和實際意義。Firstly, this paper introduces the basic structure of narrow band fir digital filters. secondly, it analyses the components of narrow band fir digital filters, which conclude cic filter, hbf filter, resampling techniques. based on these analyses, the paper gives the full structure of narrow band fir digital filters and analyses its characteristics, which are frequencies response, anti _ aliasing and anti _ image
本文首先簡單介紹了窄帶fir濾波器的基本結構,然後對窄帶fir濾波器的各組成部分進行了詳細分析,內容包括:積分梳狀濾波器( cic )的特性和設計,半帶濾波器( hbf )和整形濾波器的特性和設計,重采樣技術的原理與實現。At last the algorithm of ddmf is achieved by the investigation tool of altera company ? quartus ii and the vhdl language, and its ip core is also achieved which is used not only in the satellite navigation position system, but also in the long pn code dsss system. ddmf investigated in the dissertation gives a good way to design the rapid pn code acquisition in the beidou project, and the technology has the definite theory and practice significance
此外還應用altera公司的最新的fpga開發工具quartusiiv5 . 1 ,採用了國際標準的硬體描述語言? vhdl語言,對數字差動匹配濾波器和傳統匹配濾波器演算法予以實現,開發了該演算法的軟ip核,可以對所應用的擴頻碼長度, a / d采樣后的數據量化階數,所用擴頻碼等可進行隨意改寫。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。High precision ad chip is used for intermediate frequency data sampling and fpga of virtex - series is used for the implementation of intermediate - frequency orthogonal system, which includes the sequencing control design for mult - channel radar system with verilog, the application of ip core of digital filter and fifo, as well as the communication control module with dsp. as the master control part, the software programming for the communication between dsp and fpga is designed. the experimental result with hardware circuit shows the design is valid and practical
採用高精度的adc晶元完成中頻采樣,通過virtex -系列fpga設計中頻正交系統,主要包括通過verilog語言實現多路雷達中頻接收的時序控制,通過濾波器ip核實現濾波器的設計,以及利用c語言實現dsp的通訊控製程序設計。並給出了fpga在資源和速度上一些優化的方法,調試過程中影響中頻正交接收性能測試的因素。Optimal robust sampled - data control for nonlinear systems
多速率數據采樣系統故障檢測濾波器設計The sampling period of the fusion center is defined as the lease common multiple of multi - sensors measurement period, so the same number of the local state estimation is transmitted to the fusion center every sampling period and the computation burden of the tracking filter is alleviated
該演算法將融合中心的采樣周期設定為感測器測量周期的最小公倍數,使得傳輸到融合中心的局部狀態估計在每個周期內具有相同的數目,減少了跟蹤濾波的計算量。In 2000 passed theiso9001 quality system authentication, the main camp product includes : the filter, filters the separator, the oil - water separator, thesilencer, cuts shui qi, the respiration valve, the fire resistance, the hydraulic pressure safety valve, kong leijian, the metal vlexiblehose, the ripple compensator, fluctuates under the oil installment, the pot the sampling, the crane tube, lightly falls the springboard, the steel structure trestle, the liquid level indicator, the oilinterceptor, the heater, regards product and so on boundary
2000年通過了iso9001質量體系認證,主營產品有:過濾器、過濾分離器、油水分離器、消聲器、切水器、呼吸閥、阻火器、液壓安全閥、孔類件、金屬軟管、波紋補償器、浮動出油裝置、罐下采樣器、鶴管、輕落跳板、鋼結構棧橋、液面指示器、阻油器、加熱器、視境等產品。The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved
分析了采樣和重構的數學模型,得出了一個重要結論:過采樣可以減少d / a輸出信號的高頻端衰減失真,可以降低低通濾波器的設計難度,從而提高波形質量。The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理,設計了浮動閾值二值化處理電路,採用兩路計數器對輸出脈沖信號采樣計數,最後送入微處理器進行運算處理,可實現測量值的儲存、顯示等,並設計了與上位機的通訊介面。The source for our rapid development is our advanced production machinery, professional staff, scientific management means and enterprising spirit. these products find extensive uses in petroleum, chemical industry, pharmacy, chemical fiber, paper - making, electronics, construction, aerospace and other fields
我公司主要產品有針織網,絲布,篩網,沖孔網,填料網,除沫器,塔內件,震動篩,過濾器, ,過濾片等,產品被廣泛應用到石油化工采礦建築醫藥污水處理等多個領域。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。Company activity : we produce complete filters and filter cartridges for oil, air, hydraulics and fuel, for passenger and freight vehicles, agricultural, mining and building engines, railway and vessel angines, with wide field of application
我們生產完全過濾器和過濾筒,為油、空氣、燃料,作為乘客和貨物車,農業、開采和建造引擎,應用於寬領域。The company produces the mixer, the filter, the silencer, the fire barrier, the respiration valve, the sampling instrument, regard the mirror, the star type leave the material valve, the spiral conveyer, the zero gravity granule mixer, the spiral strip type mixer, the neat padding, each kind of filter element, the filter pocket and so on, more than 10 big kinds, near 400 specification product
公司生產的混合器、過濾器、消聲器、阻火器、呼吸閥、采樣器、視鏡、星形出料閥、螺旋輸送機、無重力粒子混合機、螺條式混合機、規整填料、各類濾芯、濾袋等10多個大類,近400個規格產品。分享友人