高度信號輸入 的英文怎麼說

中文拼音 [gāoxìnháoshū]
高度信號輸入 英文
height input
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • 高度 : altitudeheightelevation
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  1. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動脈沖及同步控制;視頻經預處理后,由ad轉換模塊進行采樣,將ccd出的模擬轉換成數字量;最後,將數據送arm處理系統中進行后續處理。
  2. Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs

    萬能,可與各類傳感器、變送器配合使用,實現溫、濕、壓力、液位、流量等物理量的測量、顯示、報警控制和變送出;通過串列通口,可在上位計算機中實現全部儀表參數的讀寫;還可為兩線制變送器提供24vdc電源; 4位led數字顯示;對有多段折線修正功能可選;一臺儀表最多可配4個報警繼電器出、一路變送(或通出和一路配電出。
  3. Intelligent multi - channel data - logging display controller adopt advanced microprocessor for smart control, it is suitable for display and control temperature, humidity, pressure, liquid level, instantaneous flow, speed and so on in many physical quantity inspect signal, and can data - logging multi - channel measure signal. it also can carry on high - accuracy linear correction to various non - linear input signals

    雙迴路數字光柱顯示控制儀採用先進的微處理器進行智能控制,適用於溫壓力液位瞬時流量速等多種物理量檢測的顯示及控制,並能對各種非線性進行的線性校正。
  4. 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,模擬范圍為0 ? 5v ,轉換精為12位,最采樣率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。
  5. The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions

    本文論及的「時鐘」概念不是指日常生活中使用的鐘表,而是由產生基準頻率的發生器(如銫原子頻率標準、銣鐘及石英晶體振蕩器等)中的某種頻率源以及相配套的出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備,它提供用在通系統中控制某些功能的定時的時間基準設備,時鐘提供的稱為基準、定時或同步
  6. 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取代傳統鍵盤將會進一步解放人的雙手;同時專門為速數字息處理而設計的數字處理器( dsp )也成為數字化領域的重要角色, dsp的和良好的運算性能特別適合於圖像處理和文字識別。
  7. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為,色dc系數是魯棒性非常好的參數,因而選擇色dc系數作為水印息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌水印時,本文採用水印息「網格劃分」 、各子塊獨立嵌視頻的方案,由於水印息子塊是相對獨立的嵌視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印息,使水印的健壯性得到提;此外,為了提水印息的安全性,在嵌水印息時,根據用戶的id和密碼,利用本文構造的混沌系統產生的混沌序列對水印息進行變換,同時,對每一水印息比特的嵌位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印息,也難以擦除其中的水印息,因為嵌的位置是未知的。
  8. This product is a full electron construction in which its front - end adopts pressure sensor with baffle filled oil chip. output signal is sent the data to microprocessor from high - precision, low temperature drift and high - reliability amplification circuit and a d convert circuit, after operating, to transform by high - precision d a convert circuit into standard signal output

    該產品為全電子結構,前端採用帶隔離膜充油芯體的壓力傳感器,低溫漂和可靠性的放大電路和模數轉換電路將數據送微處理器,經運算後由數模轉換電路變換為標準出。
  9. The digitizer based on pxi bus uses fpga ( field programmable gate array ) to implement 256 points, radix - 2 dit fft ( fast fourier transform algorithm ). the design uses pipelining for fft processing and can accomplish sampling and processing signals of two channels at the same time. in the signal acquisition circuit, - a / d convector is used to enhance the precision of the signal sampling

    在本設計中,採用fpga ( fieldprogrammablegatearray )實現了256點基2dit演算法復數fft ( fastfouriertransformalgorithm快速傅氏變換演算法)處理器,具有較的速和運算精fft ,設計採用流水線處理方式大大的提了處理速,可實現對兩個通道的并行採集與處理。
  10. Frequency response, quantization noise, reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system, and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal, the effective resolution of the two adc systems is 0. 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system

    2對prqmf濾波器組adc系統的頻響、量化噪聲特性、重建誤差特性以及重建誤差對adc間的失配敏感性進行了理論分析研究,所得到的理論結果為: ( 1 )混合濾波器組adc系統與開關電容濾波器組adc系統的失真/混迭函數一致; ( 2 )無論寬帶還是窄帶,這兩種adc系統的有效解析均比其adc提了0 . 5log _ 2m比特; ( 3 )這兩種adc系統的重建誤差對其adc間的失配敏感性均明顯低於時間交織adc系統。
  11. This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity

    該控制系統採用可靠性的plc可編程序控制器進行實時控制,傳感器所採集的口舊砂溫雙盤抽風口溫雙盤內砂溫主電機電流及鼓風機電流等模擬量直接plc的模擬量採集模塊,同時加砂設備運轉及加砂設備物料移動檢測傳感器發出的開關量plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。
  12. To acquire higher input speed, we studied the possibility of using a volume holographic storage as an input device for optical signal processing

    為了獲得更,探討了利用體全息存儲技術進行的可能性。
  13. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制源的基本原理,分析了影響測距精的因素,指出應用dds技術可以實現寬帶、的調制出,說明了引起dds雜散的原因和解決的辦法;同時分析了應用fft運算實現相位提取的基本原理及設計方法,採用這種檢相技術,可以極大地提測相精與靈敏;然後提出了基於fpga嵌式系統的相位式激光測距機的整體設計,並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計,並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  14. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超斯光脈沖與脈沖同時注soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa增益區的二階超斯控制光脈沖在具有較的峰值功率和適當時延下soa時,最後可以得到放大的質量超簡訊光脈沖;在基於soa的交叉增益調制( xgm )全光波長轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,波長向下轉換的距離和反轉光的峰值能量都得到明顯提,降低了利用交叉增益調制( xgm )波長轉換中對波長精的要求,從而提了波長轉換的靈和性。
  15. Current voltage isolated conversion module is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    電流電壓隔離轉換模塊是一種小型化插裝式結構的轉換模塊,其具有工作電源三者相互隔離,能將的交流電壓或交流電流轉換成420 ma或15 v標準出,具有精,線性好,調試簡單工作穩定可靠等特點,適用於電量參數的顯示記錄dcs系統的監控等場合。
  16. The system that electrical power is supplied by silicon - controlled, speed abjusted by direct current double loop - locked and controlled by microcomputer is the high acurracy digital system following the input signal

    摘要微機控制的晶閘管供電的雙閉環直流數字調速系統是復現的數字隨動系統。
  17. Operational signal has two kinds : one is analog quantity output of direct reverse action also called q type manipulator ; the other is direct reverse revolution switch quantity output also called d type manipulator, shown as the following block figure,

    埠具備萬能功能,只需通過儀表菜單的簡單選定,即可實現不同類型各種熱電偶熱電阻標準電壓標準電流之間的輕松切換,提了低表的通用性和可靠性。
  18. In allusion to the coupling influence to system accuracy, this paper brings forward using dynamic robust compensation based on decoupling control. simulation experiments to prove its validity. in allusion to the performance index of simulation table, such as low velocity, high frequency response, high accuracy, etc, this paper analyzes pid control, acceleration feedback, velocity feedback, input signal differential feedforward, and employs compound control strategy including pid control, velocity feedback, position feedback and input signal differential feedforward,

    針對模擬轉臺低速、頻響、等性能指標的要求,分析了pid控制策略、加速反饋、速反饋、微分前饋等控制方式,採用pid控制與速反饋、位置反饋以及的微分前饋結合起來的復合控制策略,充分利用反饋和前饋的優勢,對轉臺的位置伺服系統進行研究。
  19. Is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    是一種小型化插裝式結構的轉換模塊,其具有工作電源三者相互隔離,能將的交流電壓或交流電流轉換成420 ma或15 v標準出,具有精,線性好,調試簡單工作穩定可靠等特點,適用於電量參數的顯示記錄dcs系統的監控等場合。
  20. This series products adopted the surface package modularization craft, have improved greatly the anti - interference ability of the instruments, have display, transmit communication, universal signal input function and so on. they apply to indication and control of various physical quantity check signal such as temperature, humidity, pressure liguid level, instantaneous flow, velocity etc., and for various nonlinear input signal can carry out high accuracy linear compensation

    本系列產品採用表面封裝模塊化工藝,大大提了儀表的抗干擾能力,具有顯示控制變送通訊萬能等功能,適用於溫壓力液位瞬時流量速等多種物理量檢測的顯示及控制,並能對各種非線性進行的線性校正。
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