visual frequency 中文意思是什麼

visual frequency 解釋
電視頻率
  • visual : adj. 1. 視覺的,觀看的;視力的。2. 看得見的。3. 光學的。4. 形象化的。adv. -ly (the visually impaired 〈委婉語〉盲人;視力很差的人)。
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。
  2. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基於面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統「 vis ? 1信號示波分析系統」 ,該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能於一身,並具有許多傳統儀器難以達到的優越功能和性能。
  3. This waveform library not only contains those typical radar signals like single - carrier frequency signal, encoded signal, lfm etc, but also include many hybrid modulated signals, like fsk / psk signal, fsk / ppm signal, psk / ppm signal, pseudo - random fsk / psk signal, etc. we use visual c + + 6. 0 to implement this software program, this makes it easy in control operation and provides a nice human - machine interactive interface

    波形庫中既包含了傳統的雷達波形,如單載頻脈沖信號、 lfm 、編碼信號等,又包括了復合調制波形,如fsk / psk信號、 fsk / ppm信號、 psk / ppm信號、偽隨機fsk / psk信號等。採用vc編程實現,使其具有友好的人機界面和靈活的控制操作。
  4. Including irrigation time, frequency, and quantity of water, of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date

    根據草坪質量與土壤含水量、土壤水勢的相關性及作物系數、蒸發量等參數,準確計量其灌水時間、灌水量和灌水頻率。
  5. By using single strand conformation polymorphism analysis of polymerase chain reaction ( pcr - sscp ), the frequency of codon 54 mutant allele of mbl structural gene in the population of hans was investigated. 3. the molecular beacon ( mb ) hybridization technique with visual monitoring was established

    建立聚合酶鏈反應單鏈構象多態性分析inglestrandconforma tlonpolymorphlsmanalysisofpol仰erasechainreactionproduction , pcr sscp )方法,初步調查漢族人群mbl基因ggc54gac突變情況。
  6. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分,根據其分佈特性和人眼的視覺特性,採用視覺模型對零樹量化過程的閾值進行修正,有效地去除視覺冗餘;對各高頻子圖採用多級樹集合分割的零樹編碼方法,有效地利用系數編碼剩餘符號,進一步提高壓縮比。
  7. This method did the resolution improvement in the wavelet frequency domain and obtained good time efficiency and visual effect

    這個演算法具有良好的時間效率,並且能夠較好的恢復圖像的邊緣信息。
  8. This text aim at the measure and control ' s system at the experiment to equip of the air condition function and combination shanghai chijiang technology develop company new set up the enthalpy different laboratory, makes use of the visual basic 6. 0 developped the measureand control ' s system of the enthalpy different laboratory. this system adopts n ow programmable control technique that spread of boundary of domestic and international work control, the regulating speed technique by changing frequency and the rs - 485 / rs - 232 technique

    本文就針對空調性能實驗裝置中的測控系統並結合上海弛疆科技發展公司的焓差室新建工程,利用visualbasic6 . 0開發了焓差室的計算機測控系統,該系統採用了目前國內外工控界流行的可編程式控制制技術、變頻調速技術和rs - 485 rs - 232通信網路技術,是一套完善的管控一體化系統。
  9. Connectors for frequencies below 3 mhz for use with printed boards - part 14 : detail specification for circular connectors for low - frequency audio and video applications such as audio, video and audio - visual equipment

    印製電路板用頻率低於3mhz的連接器.第14部分:音頻視頻和音像設備用低頻音頻及視頻圓形連接器詳細規范
  10. Difference of critical twinkle visual frequency of different chromatic light between normal persons and patients with different type of schizophrenia

    正常人與不同類型精神分裂癥患者不同色光臨界閃爍視頻率的差異
  11. Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving

    引進通力成熟的自動扶梯技術,採用先進的微機控制系統,高強度的桁架結構經典的驅動技術完善的保護裝置,使產品安全可靠耐用,乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型,使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用,使產品省電節能,而室外型自動扶梯能經受各種氣候環境條件考驗。
  12. 2. based on the multivariable frequency control theory, a multi - variable computer - aided design software is designed using visual basic 6. 0 after decoupling the controller model, the precompensation matrix, the dynamic compensation matrix and the feedback matrix are obtained

    二、以多變量頻率域控制理論為基礎,結合現代控制理論對該數學模型進行解耦設計,利用vb6開發了一個多變量系統的輔助設計軟體,得到它的預補償陣,動態補償陣和反饋增益陣。
  13. Increasing the frequency of edits ? defined here as a change from one camera angle to another in the same visual scene ? improved memory recognition, presumably because it focused attention on the screen

    增加剪接的頻率(這里的定義是針對同樣的場景中,從一個拍攝角度轉換到另一個拍攝角度)將提升收視者對節目的記憶力,因為他們會把注意力集中在螢幕上。
  14. The subimage of the lowest frequency ( ll4 ) is carried out lossless compressed coding ; 2 the subimages on diagonal direction of the highest frequency ( hhl ) is abandoned and is not carried out coding, because it is of great probability for zero, and it little affects visual

    其主要包括對最低頻子帶單獨進行無損壓縮編碼,對最高頻對角線方向子帶捨去不編碼。對其餘各子帶根據視覺特點的不同,分別分配不同的比特數並按其進行零樹量化,最後再遊程編碼。
  15. Accuracy of the measurement system is verified by standard signal sources. frequency tracking error does not reach 50hz. the measurement system has merits of visual display and high accuracy, which is an ideal measurement system for dual - path saw mass sensor

    應用標準信號源驗證了測量系統的精確性,頻率跟蹤特性誤差在50hz以內。該測量系統顯示直觀,精度高,是雙聲路聲表面波質量傳感器理想的測量系統。
  16. The production of high frequency quartz crystals, which are used in audio - visual, telecoms and pc devices, commenced last september. monthly production capacity has now topped 3 million pieces which is half of the full design capacity

    高頻石英諧振器廣泛應用於影音、電訊及電腦產品上。集團新設立的高頻率石英振動器生產線于去年九月投產,現時每月產量已逾三百萬只,達生產線設計產能五成。
  17. At last the audio - visual filter can get and regroup the pcm audio data which transformed into the time - frequency signals by the fft. at the same time the power spectrum can be displaying on the windows by using the win32 api functions. finally the test of this system shows the processes about transport stream of receiving in the collecting card, pushing in the bridge, separating in the parser, displaying in the audio - visual filter are satisfied with the data rata at the server

    音視頻效果filter內部通過獲取解碼后的pcm格式數據,並利用緩沖管理器對這些數據進行重新分組,然後對分組后的數據進行fft變換將時域信號變換到頻域之中,同時對變換后的數據作數學處理后得到其功率值,最後利用api畫圖函數對這些功率值進行了實時的特殊效果顯示。
  18. Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range

    本論文從便於工程實際應用出發,對使用有限元分析軟體進行二次開發以方便結構振動分析及改進結構設計的方法和過程進行了研究,在此基礎上對水下航行器圓柱殼體的結構聲學特性進行了分析,在指定頻率區間,對結構以振動輻射聲功率級為目標函數進行了部分參數的結構優化設計,與此同時,為了方便有限元分析軟體的使用和簡化設計過程中大量重復的工作,利用ansys提供的參數化設計語言apdl ( ansysparametricdesignlanguage )結合vc對有限元軟體ansys進行了二次開發,形成了一體化的水下圓柱殼體結構聲學設計軟體。
  19. Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients, this dissertation fully exploits the following theories and methods : scalar quantization, vector quantization, trellis coded quantization, trellis coded vector quantization, vector classification, codebook expansion and weighted mean square error rule basing mankind visual characteristics, etc. from different angles of information amalgamation, it develops several innovative algorithms of image compression and coding, gives their realization schemes, and makes plentiful simulation tests

    本文在分析了圖像小波變換的原理和子帶系數空間及頻率分佈特點的基礎上,充分利用標量量化、矢量量化、網格編碼量化、網格編碼矢量量化、矢量分類、碼書擴展和基於人眼視覺特性的加權均方誤差準則等思想和方法,從信息融合的不同角度展開了對小波圖像的壓縮編碼研究,同時也討論了這些方法在靜止圖像量化中的具體應用。
  20. Method for measuring audio amplifier single - frequency output for institutional audio - visual equipment used primarily for speech

    用於演講的教學視聽設備中音頻放大器的單頻輸出測量方法
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