直接數字流 的英文怎麼說
中文拼音 [zhíjiēshǔzìliú]
直接數字流
英文
direct stream digital- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 直接 : direct; immediate
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。A common data acquisition card can be used on laboratory virtual instrument engineering workbench through designing the external interface between labview and common date acquisition card on the software design ; used the idea of the double buffer and direct memory access, a real time data acquisition and logging about the succession, big capacitance leakage current is realized ; a digital filter is designed to filter high frequency signals
在軟體設計上,設計了與普通數據採集卡的介面,實現了在labview環境中應用普通數據採集卡的功能;運用雙緩沖和內存直接映射的設計方法實現對連續、大容量泄漏電流信號的實時採集和存儲;設計了數字濾波器對採集后的原始數據濾去高頻干擾。The circulation function therapeutic instrument of brain based on direct digital synthesis ( dds ) technology uses the domestic newest scientific findings and others in foreign countries. adopting the dds technology directly, it produces the safe, valid treatment. through pasting heart electric electrode on body surface, it introduces electric current to cerebral fastigial nucleus ( fn ) without damage in order to improve the state of brain blood supply and nerve conducted and something of lacking proper care to lose the symptom of coordinating with a net, increase cerebral blood flow, reduce downright bad neuron figure, district of penumbra, lighten brain perinemotoma
基於直接數字頻率合成技術的智能腦電治療儀應用國內國際上最新科研成果,採用直接數字頻率合成技術,實現安全、有效的治療,通過粘貼于體表的電極,無創引入小腦頂核,從而改善腦供血狀態和神經傳導失調失絡癥狀,增加大腦血流量,減少半影區壞死神經元數目,減輕腦水腫,最終達到改善腦循環功能的作用。Manufacturer of precision instruments and controls including barometers, density monitors and level control for use in applications in chemical, petrochemical, food, medical, pharmaceutical, water and wastewater treatment, utility industries
-銷售非接觸紅外測溫儀環境測試儀音量計噪音計照度計溫濕度計一氧化碳測試儀電力基礎儀表數字萬用表交直流鉗形表。In this paper, microwave t / r front - end for short distance wireless communication is realized in miniature based on low cost mcm - l technology. the main jobs are as follows : 1. the performances of i / q modulation and direct converter receiver are analyzed to set down the system scheme
主要工作包括以下幾個方面: 1 .基於目前流行的數字中頻接收技術,分析了i / q調制和直接變頻接收機的性能,提出超外差變頻的總體系統方案。The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics
將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準,然後通過構建林地面積比與新安江模型參數sm的關系間接確定各子流域及各柵格單元的的sm值,新安江模型參數imp由配準好的土地利用和地表覆蓋信息直接提取,由此建立方案與方案,來分析受下墊面覆蓋的空間不均勻性影響的模型部分參數是如何對模擬水文過程產生影響的。Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for shielded two - part connectors having a basic grid of 2, 0 mm, fixed part with solder and press - in terminations for printed boards, free part with non - accessible insulation displacement and crimp terminations - part 4 - 107 : printed board connectors with assessed quality - detail specification for shielded two - part connectors havin
直流低頻模擬和數字高速數據用經過質量評定的連接器.印製板連接器.基本網格為2 . 0mm固定部分有印製板用焊接終端和壓入終端活動部分有不可及絕緣移動終端和壓接終端的屏蔽兩件式連接器詳細規范Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,採用了目前比較流行的數字信號處理器( dsp )作為系統的控制器,其處理速度高的特點正好符合本實驗的需要:在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,本課題採用了目前比較流行的數字信號處理器( dsp )作為本實驗的控制器,其處理速度高的特點正好符合本實驗的需要;在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - rectangular connectors - detail specification for 8 - way, shielded free and fixed connectors for data transmissions with frequencies up to 600 mhz minimum
直流低頻率模擬及數字高速數據系統用的已進行過質量評定的連接器.矩形連接器.最低頻率為不大於600mhz的數據傳輸用8道無屏蔽固定連接器的詳細規范Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part connectors with shielding and a basic grid of 2, 5 mm - cable to board connectors, shielded against emc, grid 2, 5 mm, for high speed data rates, for use with printed boards
經過質量評定的直流低頻模擬及數字高速數據系統用連接器.印製電路板連接器.帶屏蔽和2 . 5mm基柵的兩件式連接器詳細規范.同印製板一起使用的高速數據傳輸率emc屏蔽防護和2 . 5mm柵格的電路板連接器電纜Both are used to separate the responsibility for rendering pages from the model and controller. both accept objects passed into them as an input argument, both allow inserting string values within code " expressions ", and allow direct use of java code to perform loops, declare variable, or perform logical flows " scriptlets ". both are good ways of representing the structure of a generated object web page, java class, or file while supporting customization of the details
Jet與jsp非常類似:二者使用相同的語法,實際上在後臺都被編譯成java程序;二者都用來將呈現頁面與模型和控制器分離開來;二者都可以接受輸入的對象作為參數,都可以在代碼中插入字元串值(表達式) ,可以直接使用java代碼執行循環、聲明變量或執行邏輯流程式控制制(腳本) ;二者都可以很好地表示所生成對象的結構, ( web頁面、 java類或文件) ,而且可以支持用戶的詳細定製。The emergence of the ordinary digital images ( which in this paper means the digital images acquired by common non - metric digital cameras ), resolved the the problem of acquiring images quickly on the spot, and lowered the requirement for equipments and skills in photogrammetry, so that made photogrammetry a whole digital process. but all current ways to the measurement of ordinary images are based on dlt or bundles theory, which both require a lot of control points distributing properly, and are inapplicable. in order to increase the adaptability and accuracy of digital close - range photogrammetry based on common digital cameras, researches and experiments have been done on these methods in this paper, as following : 1
普通數碼影像(在本文中主要指採用普通非量測數碼相機獲得的數碼影像)的出現,解決了現場快速獲取影像的問題,且降低了近景攝影測量作業對設備及技能的要求,並使攝影測量過程成為全數字流程,但現有的對普通數字影像的量測處理演算法均是基於直接線性變換或光線束理論的,存在像控點要求多、分佈要求高、不適宜應用的缺點。These included the release of the first set of quarterly gross national product statistics for the first quarter of 1999 in december 1999 and the release of the first complete set of external direct investment statistics for 1998 in march 2000, encompassing both the stock and flow of inward and outward direct investments
這些統計包括在一九九九年十二月首次公布的一九九九年第一季本地居民生產總值按季數字,以及在二年三月首次公布的首套完整的一九九八年對外直接投資統計數字,有關數字包含外來和向外直接投資的存流量。Connectors for use in d. c., low - frequency analogue and digital high - speed data applications - rectangular connectors with assessed quality - detail specification for a range of shielded connectors with trapezoidal - shaped shells and non - removable ribbon contacts on a 1, 27 mm double row
直流低頻模擬及數字高速數據應用系統用連接器.有質量評定的矩形連接器.帶有1 . 27mm雙排不可拆卸矩形接觸件及梯形外殼的屏蔽系列連接器詳細規范Connectors for use in d. c., low frequency analogue and digital high speed data applications - part 3 - 100 : rectangular connectors with assessed quality - detail specification for a range of shielded connectors with trapezoidal - shaped shells and non - removable ribbon contacts on a 1, 27 mm double row
直流低頻模擬及高速數據數字系統用的已經過質量評定的連接器.第3 - 100部分:矩形連接器.帶有1 . 27mm雙低不可拆卸矩形觸點及梯形外殼的屏蔽連接器作用范圍的詳細規范Connectors for use in d. c., low frequencey analogue and digital high speed data applications - part 3 - 100 : rectangular connectors with assessed quality - detail specification for a range of shielded connectors with trapezoidal - shaped shells and non - removable ribbon contacts on a 1, 27 mm double row
直流低頻模擬設備和數字高速數據應用設備用連接器.第3 - 100部分:經質量評估的矩形連接器.連接在1 . 27 mm雙列帶上的帶不等邊四邊形外殼和固定帶狀觸點屏蔽連接器范圍的詳細規范Sectional specification for printed board connectors of certified quality for use in dc low frequency analog applications and in digital applications employing high speed data rates
經質量認證的印製電路板連接器的分規范用於直流低頻模擬應用系統和採用高數字速率的數字應用系統Connectors with assessed quality for use in d. c., low - frequency analogue and in digital high speed data applications. part 4 : printed board connectors. section 102 : detail specification for two - part single - pole connectors, for multiple uses on plug - in units, with pre - centring, coding and early mating features, having a metric grid in accordance with iec 60917
經質量評估的直流低頻模擬和數字高速數據設備用連接器.第4部分:印刷電路板連接器.第102節:帶前定心編碼和預配合部件的符合iec 60917的公制柵格多用途插件用雙部分單極連接器的祥細規范Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part single - pole connectors, for multiple uses on plug - in units, with pre - centring, coding and early mating features, having a metric grid in accordance with iec 60917
直流低頻率模擬及高速數字數據系統用已經過過質量評定的連接器.第4部分:印製電路板聯接器.第102節:帶前定心編碼和預配合部件的米制多用途插件用雙部分單極聯接器的詳細規范分享友人