速度合適信號 的英文怎麼說

中文拼音 [sùdùgěshìxìnháo]
速度合適信號 英文
speed ok
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 適 : 形容詞1 （適合） fit; suitable; proper 2 （恰好） right; opportune 3 （舒服） comfortable; well Ⅱ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. The method can be used in the measurement of periodic and nonperiodic signal. according to the high accuracy and fixed gate - time measurement method, based on the multiple period synchronization method, the high speed, high accuracy and continuous frequency measurement is accomplished

    將其再與一種從多周期同步法發展而來的高精度、定閘門法相結合，從而實現了高速、高精度、連續頻率測量，這非常適合非頻率量的頻率傳感信號的測量。
  2. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統，它具有以下特點： ?採用usb介面進行高速數據傳輸，傳輸速度達100kbyte / s ； ?採用浮點a / d轉換技術，動態范圍達120db ； ?多種采樣觸發控制方式； ?最高采樣率100ksps ； ? 12位采樣精度： ? 32kb數據緩存； ?使用新型大規模電子器件，系統結構緊湊，重量輕，適合野外作業。
  3. Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system

    自適應演算法是智能天線的核心技術之一，它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度，系統需要針對各種通信環境來選擇合適的演算法，也可以採用演算法分集的方法來使整個系統工作在最佳狀態。
  4. In this article, a convenient date - fusioning method for the signal of ratate speed is introduced, which is based on the segmented - curvefitting. the precision is improved by using this method

    摘要介紹一種適用於小型測試、分析系統的基於分段曲線擬合的轉速信號數據融合法，此方法能提高轉速信號的處理精度。
  5. With the rapid development of information technology, all kinds of portable electronic products and personal digital assistants are coming forth, the information source of these products partly roots in newspapers and journals, if the literal data could be acquired in optical scan mode instead of traditional keyboard input mode, human hands will be further liberated. on the other hand, the digital signal processor ( dsp ) specially designed for high - speed digital signal processing is playing an important role in the digital field, and the dsp with high processing speed and excellent operation performance is particularly adapted to image processing and character recognition. in consequence of this status, making use of new technology, this thesis researches into miniature intelligent reading system based on dsp and then presents a system solution of it

    隨著信息化技術的飛速發展，各種便攜式電子產品和個人助理不斷涌現，這類產品的信息來源有很大一部分都是報紙、書刊等文字資料，如果以文字的光掃描輸入取代傳統鍵盤輸入將會進一步解放人的雙手；同時專門為高速數字信息處理而設計的數字信號處理器（ dsp ）也成為數字化領域的重要角色， dsp的高速度和良好的運算性能特別適合於圖像處理和文字識別。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  7. The multistage constant modulus ( cm ) array is a cascade adaptive beamforming system that can recover several narrowband co - channel signals without training. the main idea of the smi - cma is to use smi to determine the initial weight for cma operation. the method can come up with the desire signal in despite of the interfering signal is stronger than the desire signal

    基於以上考慮，我們提出了基於smi - cma聯合自適應方法，該演算法可以分離多個同通道信源，由smi演算法決定cma演算法的初始權向量，在干擾信號較強時，仍有穩定的sinr輸出，具有較快的收斂速度。
  8. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景，提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構，並且從可測性設計、實時操作系統角度對該系統進行了設計與討論，為高速實時信號處理系統的設計與開發提出了新的解決方案，同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點，然後針對適合於片間并行的adsp - 21060討論了并行計算結構，提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺，分析了它的工作原理。
  9. It suits in 220 500kv voltage rank ’ s electrical power system breakdown recording. uses 32 - bit embedded microprocessor arm and the high speed dsp multi - tasking ; designs the fpga hardware data sampling controller to produce the control signals, and guarantee sampling precision ; may record 36 groups analog signals and 80 groups switches signals ; uses distributed and modular design distributionally, may dispersely install in the screen cabinet, also may be linked to a management computer or transfer data to the far control center through the 10m / 100m ethernet

    它適合於220 500kv電壓等級的電力系統故障錄波。採用32位嵌入式微處理器arm與高速dsp并行工作;設計了fpga硬體數據采樣控制器產生控制信號，保證采樣精度;可以記錄36路模擬量和80路開關量;採用分散式、模塊化設計，可以分散安裝在屏櫃中，也可以通過10m / 100m以太網級連到一臺所級計算機或遠傳到調度中心。
  10. We studied radar backscattering models of ocean surface and modulation mechanism of sar signal. and the research focuses on the composite surface backscattering model and velocity bunching modulation mechanics. based on these theories, we built up an sar imaging model pertained to ocean waves

    研究了海面的電磁波後向散射模型和海浪對sar信號的調制機理，其中，重點研究了復合表面模型和速度聚束調制機理，在此基礎上建立了適合於海面的sar成像模型。
  11. Furthermore, this paper exploringly studies an 802. 1 la high - speed wlan with the 54mbps data rate, and presents a sort of time synchronization and frequency offset estimation method based on the frequency domain auto - correlation of the unique preamble training sequence of 802. 11 plcp frame ; the method have the high time precision, the wide frequency estimat ion range and short convergence process ; and moreover, it can applied to other frame communication system

    另外本文還對最高傳輸速率為54mbps的802 . 11a高速無線局域網系統進行了探索性研究，討論了ofdm調制技術在無線局域網中的應用；結合802 . 11a物理層數據幀結構特點，提出了一種基於前導訓練符號序列的頻域自相關時間和頻率同步方法，此方法具有定時精度高、頻偏估計范圍寬和同步建立迅速等特點，也適合於其它幀通信應用場合。
  12. On the request of high performance of real - time, the popular microcomputer core dsp is used in the design of hardware, besides, its high speed of running is suitable for the experiment. in the main circuit, the three - phase rectification bridge have been used, which makes it more suitable for the system of high - power timing

    在本系統的具體實現上，本文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，其處理速度較高，正好符合本實現實時性要求高的特點；在主電路上，本系統採用了傳統的三相橋式全控整流電路，從而使該系統更適用於大功率調速系統。
  13. Compared to other methods, the proposed method has the following advantages. firstly, it can attain high steady - state estimation performance and good tracking properties at the same time. secondly, the real time performance is very good

    與以往的方法相比，該方法具有兼顧跟蹤精度和跟蹤速度兩方面要求，用定點實現時不容易產生溢出和適合於時變信號等優點。
  14. The method can be used widely in high precision frequency, time and phase measurement. combined with a kind of precise, constant gate ' s measuring method that is derived from the several period synchronization measuring method, high speed, high precision, successive frequency measurement can be fulfilled. it adapts well to the sensor signal measurement of non - frequency

    此方法可以廣泛地應用於高精度頻率、時間及相位測量中，將其與一種從多周期同步法發展而來的高精度、定閘門測量法相結合，可實現高速、高精度、連續頻率測量，而這一點非常適合非頻率量傳感信號的測量。
分享友人
分享到 Line

分享到臉書