硬體可用率 的英文怎麼說
中文拼音 [yìngtǐkěyònglǜ]
硬體可用率
英文
hardware availability ratio-
The american argos satellite has done experiments on the primary anti - radiation measures of cots components, and has obtained valuable experiment datas. the software fault tolerance techniques sihft provide error detection coverage of over 99 %, attracted researchers ’ attention. the experiment has demonstrated that it ’ s possible to satisfy the requirement of space applications by software techniques without special hardwares
其中，軟體容錯技術sihft （ softwareimplementedhardwarefaulttolerance ）達到了大於99 %的檢錯覆蓋率，引起了人們的關注。這項實驗說明了在不需要專用硬體的情況下，使用軟體技術也能達到航天應用的可靠性要求。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results
針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time
基於ti公司的tms320f240控制晶元，介紹了對稱空間電壓矢量硬體設計和軟體設計，採用tms320f240設計了一款用於電機變頻調速的數字控制器，該控制器上設計有鍵盤和led顯示，可以設定和動態顯示電機運行頻率。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 facous on the micro - computer control of the burning furnace system. taking to meet the requirements of the user ' s as basis, it is designed about computer in hardware and software it brings forward a scheme of intelligent & fuzzy - control based on 8098 single - chip micro - computer to get the best proportion of fuel oil and burning air, to realize the auto - contral of the temperature of flue gas in or out the burning furnace. so the accurate efficiency is received, this can ensure the ahf unit having a high production and low costs and energy
在控制上以滿足新爐型的設計要求為基礎，進行了微機控制的硬體與軟體開發，提出了採用8098單片機進行模糊智能控制的設計方案，實現了燃料油與燃燒空氣最佳比例控制、燃燒爐出口煙氣溫度控制、燃燒爐進口煙氣溫度控制和安全聯鎖報警控制，提高了燃燒爐出口溫度的控制精度和燃料使用效率，為整個裝置提高產量和降低消耗提供可靠的保證。The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system
系統硬體有兩路模擬數據採集通道，模擬信號輸入范圍為0 ? 5v ，轉換精度為12位，最高采樣率400ksps ；系統包含4片dsp （ adsp2181 ）構成的流水線型的處理陣列，可用於實現各種演算法；系統的控制邏輯由fpga完成。In the past, a computer event recorder had to exactly match the hardware, and it could provide only limited functions. the users also had to spend much time to facilitate the operation ( dawkin, 1971 ; white, 1971 ; noldus, 1989 ). nowadays users only need to devote themselves to writing software, and they can ignore the compatibility issue of hardware because of improvements in computers
以往的電腦事件記錄器由於電腦不普及，必須密切的配合硬體，不但昂貴且功能受到很大的限制，使用上非常不方便，往往必須花相當多的時間來學習操作;現今由於電腦軟體和硬體的改良進步，使研究人員得以專心於軟體的寫作，而不必擔心硬體無法配合，而且利用軟體來記錄行為其功能可以多樣化而容易配合使用者的需求，一般操作過電腦的人可以立即進入情況，無須特別的訓練，可使得動物行為的研究更加方便而有效率。Up to date, all general protection locks sold on the market use asic or eeprom as the hardware design circuit. due to their simple design and easy - to - crack, they are easy to be cracked, and their circuit design s stability is very bad. thus, it does not only protect your product invalidly, but also damage your product s image and increase the cost of technical maintenance service
目前，一般市面上所銷售的保護鎖產品都是以asic或eeprom為硬體設計線路，由於其設計方法簡單，破解的方法容易，因此破解率極高同時該種線路設計之穩定性亦差，不僅無法有效保護貴公司的產品，同時更可能使貴公司的產品形象受損，並且增加技術維修服務的費用。It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given
本文包含有以下的主要內容： ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程；以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解，對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎； ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論，並對衛星移動通信通道建模的研究工作提出了一定的看法； ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤；並從接收信號功率的角度出發，通過理論推導及模擬曲線擬合重新證明了在鄉村環境下，這兩個模型的確是具有等同性的；從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時，可以只採用corazza模型來對實際的通道進行建模，這樣可以避免重復的建模工作並提高研究工作的效率和準確性； ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果，保證了該模型在硬體實現時的可靠性和可行性，從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。The features of the new type of integration scheme can be described as follow : high division and easy debug are achieved in the scheme ; accumulative total is used, and the discord of integer part and decimal part are avoided in the scheme ; it can divide as well as detect direction ; it can integrate the counter into isp device and then evaluate the maxim frequency of the counter ; it also integrate square wave and some logic devices into isp device, and then improve integration, reliability, stability ; and have the character of software designation instead of hardware designation and in - system programming, and it becomes very easy to modify the circuit and to extend the function
新型的集成化設計方案具有以下特點：細分數高而且調整方便；採用累積計數，避免大小數分別計數的不協調；細分同時完成辨向；可以在isp器件內完成計數功能，從而提高了計數器的最高工作頻率；同時將方波發生器和一些外圍的數字電路集成在一片isp器件內，提高了系統的集成度，性能可靠穩定；具有硬體設計軟體化及在系統可編程的特點，便於電路的修改和功能的擴展。It is based on the platform of hardware of fpga, dsp, d / a to realize the concise and full - function digital variable bit rate test signal resource. this paper discuss the ways of full digital if and realize it, certainly the ways to realize the carrier frequency, sub - carrier frequency and variable bit rates with dds technology is also presented
本課題是以fpga 、 dsp 、 d / a為硬體平臺，設計實現了結構簡明，功能完整的全數字可變速率測試信號源，討論並實現了中頻頻段如何實現全數字的方法以及用dds技術實現載波頻率，副載波頻率，碼速率的方法。As the requirements of its function, a bus control interface board has already been designed. also the paper have provided the scenarios demonstration for the bus control interface board ( bcib ), the design for the protocol of communication, the hardware for bcib, the software for bcib, and the software for the processor ' s communication. while the analysis for the capability of real - time and the calibration and test for subsystem have been also finished. during the design, the system advanced ability, reliability, resources availability and the cost - efficency ratio are considered. the issus such as system integrated control, mutual exclusion of the shared storages, generation of handshaking signal and system self - test were resolved
本論文主要對航空自衛系統的綜合化方式進行了深入研究，並按其功能等方面要求，對航空自衛系統綜合化總線通信模塊進行了設計，主要完成了總線通信模塊方案論證、通訊協議設計、總線通信模塊硬體設計、總線通信模塊（ bcib ）軟體設計、處理機通信軟體設計、實時性分析、系統調試、試驗等項工作，在設計過程中，綜合考慮了系統先進性、資源利用率、費效比及可靠性等因素；重點解決了系統綜合控制方式、共享存儲器互斥、握手信號產生及系統自檢測等問題。In the software design, a digital filter is used to filter signals, and the filter ' s parameters are digital dynamic adjustable. the value of the input signals " frequency and voltage can be obtained after digital signal processing
在軟體方面與硬體電路相一致，採用了數字濾波器實現信號濾波，實現了濾波參數的數字式動態可調，輸入信號的頻率值和電平值由dsp經過數字信號處理計算得到。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。In view of the present situation, in this paper, a new moisture analyzer which combines infrared drying oven and electronic balance is proposed takes dsp as the information processing unit. it presents the instrument structure and the hardware design of the system. it actualizes the temperature real time control in the drying equipment through controlling the power of the heater element and taking an complex control method
針對這一現狀，本文提出了一種將紅外乾燥箱和電子天平相結合，利用dsp作為信息處理單元的水分測定儀;給出了儀器結構和dsp系統的硬體電路設計;研究通過對加熱元件的功率控制實現乾燥箱的溫度控制，採用智能復合控制策略對乾燥箱的溫度進行實時控制，乾燥箱的溫度達到105的時間可由單純pid控制的2分鐘減少到1分鐘，且控制精度高。With fpga technology, the speed of the high rate multiplexer is greatly increased. it will be applied in the spacecraft data systems and meet the requirements of the space missions in future
應用硬體可編程邏輯晶元fpga設計高速復接器，大幅度提高了數據的復接速率，可應用於未來的星載高速數據系統中，能夠完成在軌系統的數據復接任務。But as anyone who s written a concurrent application can tell you, simply dividing up the work across multiple threads isn t enough to achieve good hardware utilization - you must ensure that your threads spend most of their time actually doing work, rather than waiting for more work to do, or waiting for locks on shared data structures
但是正如任何編寫並發應用程序的人可以告訴你的那樣，要獲得好的硬體利用率，只是簡單地在多個線程中分割工作是不夠的，還必須確保線程確實大部分時間都在工作，而不是在等待更多的工作，或等待鎖定共享數據結構。To increase hardware utilization and minimize cost, we combine inter and intra prediction by a reprogrammable fir filter, which is further implemented with systolic array
利用在解碼的過程中一個巨塊不會同時利用到內部以及相互預測的特性，設計了一套既可以處理內部預測也可以處理相互預測單一硬體架構來增加硬體使用效率以及降低成本。This hardware can complete 120 million times float operation in one second. the rate of a / d conversion is up to 500ksps and the precision is up to 16 bits
該硬體可以實現每秒120兆次浮點運算，採用一片ltc1608進行a d轉換，片內自帶采樣保持器、解析度為16位、轉換率為500ksps 。分享友人