補位數字 的英文怎麼說

中文拼音 [wèishǔ]
補位數字 英文
place holder
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • 補位 : coverage
  • 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
  1. All common digital phasic transformers are taken by hardware circuit to connect this form has high complicacy and high trouble rate

    本文介紹了一種基於單片機控制的智能變換器的構建,彌了普通的變換器的不足。
  2. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用化相檢測技術實現了感應移相器置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器置反饋信號的檢測功能。
  3. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓阻式加速度計和磁阻傳感器分別測量重力加速度和地磁場,通過avrmcu軟體解算出姿態角和方角,課題詳細分析了影響模塊性能指標的因素,就濾波、線性償、溫度償、磁場修正等關鍵的技術問題提出了可行的解決方案,研製的化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設計要求,為姿態角測量提供了有效的手段。
  4. Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion

    該卡以ti公司的16定點信號處理器tms320f240為核心晶元,實現6路編碼器信號輸入處理,軸限中斷處理,通過雙埠ram與pc進行通訊,接收pc發送過來的控制指令和據,完成插運算、聯動運算等控制,通過d / a轉換電路,將結果轉化為模擬電壓送伺服放大器驅動電機。
  5. This topic discusses the back - emf zero - crossing detection, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed - loop speed control strategy

    詳細介紹了反電動勢過零檢測、相判斷及相償的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了式轉速閉環控制。
  6. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面分析研究了無置傳感器無刷直流電動機運行方式的基礎上,細致闡述了反電勢過零檢測、相判斷及相償的原理及實現方法,並且為了在較寬的范圍內提高bldcm的調速性能,採用了式轉速閉環控制。
  7. On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy

    在對無置傳感器無刷直流電動機運行方式進行全面分析研究的基礎上,詳細的介紹了反電動勢過零檢測、相判斷及相償的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了式轉速閉環控制。
  8. Suppose you want to complement the three middle bits of a seven - bit string while leaving the other four bits undisturbed. what mask must you use together with what operation

    假設你要將一個7串的中間三個元取,其他保留,你該用什麼樣的遮罩及運算
  9. The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location, the design method and realization principle of the series devices, such as the reactive power acquisition device, the reactive power optimized controller and the compensation capacitor operator, is seated in detail through economic and technical comparison, a realistic hardware scheme of reactive power compensation system is proposed

    文章利用電磁感應原理和通訊技術結合試驗設計出電源自給式高壓線路無線信號採集裝置,解決了配電網分支線路無功參不易測量的問題。文章還介紹了系統無功償容量及安裝置的計算方法,較為具體的講述了無功功率採集器、無功優化控制器以及償電容操作器等一系列裝置的設計方法和製作原理。通過經濟技術比較提出了一整套切實可行的無功償系統硬體製作方案。
  10. The main innovations done in the thesis are as follows : 1. the rotation effect of navigation coordinate is well compensated in sins attitude algorithms. scrolling error compensation can directly be used in the position matrix update algorithms

    在捷聯慣導迭代演算法中,姿態演算法有效處理了導航坐標系旋轉的影響,利用置矩陣求解置的方法很容易地解決了渦卷誤差的償問題。
  11. For carrier synchronization, a method of estimating the ofiset of carrier frequency has been presented, which has a more broad range of the estimated oflset of carrier fiequency and more accurate result man other methods, then, a method of estimating the carrier complex phase has been presented, which corrects directly the ofiset of carrier phase

    對于全接收機中的載波恢復,先提出了一種估計范圍寬、估值精度高的載波頻偏估計演算法,接著介紹了一種可以直接對載波相偏差進行償的復相估計方法。
  12. Alcatel has made available a passive optical network equipment. designed as a broadband access technology or overlapped network for newly built residential zones, such equipment will be used as supplement to dsl and digital loop carrier technology

    Alcatel推出一種無源光網路設備,定於作新建住宅小區的一種寬帶接入技術或作為一種重疊網路,作為對dsl和環路載波技術的充。
  13. According to this, we propose a new way to renew the traditional method of subjective image quality evaluation, different to only use mse ( mean square error ) and psnr ( peak signal - to - noise ratio ) to evaluate merely on radiation distortion, and complemented quantitative description on compressed image distortion o it is significant to choose the format of video transferation and measuring precision calculation of tracking and measuring systems based on images

    中國科學院長春光機與物理研究所博士學論文據此提出了不同於傳統的僅用均方誤差( mse )和峰值信噪比( psnr )來評價圖像灰度輻射畸變的新思路,充了對壓縮圖像幾何畸變的定量描述。這對于基於圖像的測量跟蹤系統中圖像傳輸方式的選擇,以及評價壓縮解壓演算法對測量精度的影響有重要意義。
  14. Using the information of digital - map database still can compensate the position error in a scope. among them on the digital map platform, roads message database of harbin city was established which was developed by our self lab. utilization map matching algorithm shows the vehicle track on the correct road

    利用地圖據庫的信息還可以在一定范圍內對定誤差進行修正償,在我們實驗室自主開發的電子地圖平臺上,以哈爾濱市地圖為模型建立道路信息據庫,利用地圖匹配演算法將車輛置顯示在正確的道路上,如果據庫相當精確,這一技術能改進定模塊的精度。
  15. ( 2 ) data - processing module, its functions is using dsp processor to designdigital filter for the receiving signals, work out the root mean square values and phaseangle, then the phase compensation technique is applied to modify the signals, at lastexport the combining frame data. to data - output module. ( 3 ) data - output module, its functions is transmitting combining frame data toethernet controller, then send the data to the protective device

    ( 2 )據處理模塊利用dsp處理器對接收到的據信號進行濾波設計,求出相應的均方根值及相角,並對信號進行相償,最後將據組幀后傳給據輸出模塊; ( 3 )據輸出模塊將組幀后的據傳送到以太網控制器,繼而發送給二次保護測控設備。
  16. In case where long - range communication is needed, spatial diversity blind equalizer ( sdbe ) is an effective way to improve snr and suppress distortion. joint carrier phase recovery with sdbe using second order digital phase lock loop is presented to track the doppler shift, and a kind of quantization method is used to reduce the complexity of the multi - channel algorithm. its performance is very similar to the original one

    模擬結果表明,採用二階鎖相環的空間分集均衡演算法的跟蹤性能超過了採用一階鎖相環和未加鎖相環的演算法,可有效償由於水聲通道時變而引入的載波相快速變化;採用誤差量化的演算法和原演算法的收斂和踉蹤性能都很接近。
  17. In order to improve the robustness of digital watermarking for copyright protection, a novel position and method complementary embedding algorithm is proposed, which is based on the analysis of the unbalanced characteristics for different image processing methods

    摘要為提高用於版權保護的水印的魯棒性,基於圖像小波信號分析方法,分析了各種處理攻擊對圖像小波系影響的不均衡特性,並根據該特性提出嵌入置和嵌入方法互的新穎水印演算法。
  18. Angles decrypted and software compensated with dsp and cpld, the angular displacement of the rotating set of axes with high resolution and precision can be obtained by taking the circular inductive synchronizer as the angle meter

    摘要用圓感應同步器作為測角元件,採取dsp和cpld進行角度解碼和軟體償,可以得到極高解析度和測量精度的旋轉軸系的角量。
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