spot frequency 中文意思是什麼
spot frequency
解釋
標定頻率-
Finally the article introduces how to test opc server application and the spot application of fuji frequency changer opc server application
最後介紹了對opc服務器程序的測試，及開發的富士變頻器opc服務器程序的現場應用。 -
The identification and improvement of black - spot, as an important task of traffic safety management, are very effect measures to reduce the traffic accident frequency
作為交通安全管理工作的重要任務，交通事故黑點的鑒別與改善是預防交通事故發生、減少交通事故損失的有效手段。 -
A sort of spot dynamic balance test system is developed using singlechip as a core apparatus. it can do single - face and double - face dynamic balance test, present result of unequilibrium and its phase position, can test rotate speed and vibration, can show the time - field and frequency - field picture of gain signal
本課題是利用單片機作為核心器件研製的一套可應用於現場的動平衡測試系統。該系統能完成現場動平衡單面或雙面測試，實時給出不平衡量的大小和相位。也可單獨測轉速和振動，還能對採集到的振動信號作時域、頻域圖顯示。 -
And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency
針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題，本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀；其次對整個吊車梁系統的外觀情況（包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等）進行了現場調查，抽樣實測了梁的應力、化學成分、變形及軌道偏移等，根據實測結果，對吊車梁系統的承載能力進行了驗算；然後，根據現場調查及計算結果，探討了焊接鋼吊車樑上部區域疲勞破壞的機理，分析了重級工作制鋼吊車梁出現疲勞裂縫的原因，制定了初軋廠精整車間破損鋼吊車梁的加固方案；最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。 -
Inhibition effects of high voltage electrostatic field and radio frequency electromagnetic field on brown spot disease of phoenix sylvestris caused by alternaria alternata
應用靜電場和電磁場對銀海棗褐斑病的抑制作用 -
A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。 -
The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out
本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。 -
3. a raytrace model of both co - axis and non - axis beam propagations for high - power solid - state laser systems has been set up and simulations on shots have been conducted to get the spot distribution at target point. according to the requirement of system design and theory of mathematic statistics, the dispersion circle and frequency distribution, which optimize the stability allocation of optical components, have been presented
3 、建立了共軸與非共軸相結合的光線追跡模型，通過對大型固體激光裝置打靶的模擬模擬，獲取光束在靶點處的彈著點分佈，依據總體設計要求，運用數理統計原理，採用彌散圓和頻率分佈方法對彈著點分佈進行分析，優化光學元件穩定性分配指標。 -
I designed both hardware and software to develop the multi - channel analyzer, of which the key is the pc / 104 embedded computer. in a word, it has five traits as follows : ( 1 ) the key of apparatus is the pc / 104 embedded computer ; ( 2 ) on the hardware, we introduce the high - speed a / d conversion component - max191 to improve the mca ' s conversion speed and meet the demand on the spot ; ( 3 ) adopting high frequency module of electrical source to reduce its volume. ( 4 ) the mca consumes low power no more than 3. 9 watt
以國土資源部項目為依託，以pc 104嵌入式微機為平臺，完成了小型、低功耗能譜採集系統，特點是： （ 1 ）以pc 104嵌入式微機為平臺，實現了採集系統微機化； （ 2 ）採用高速低功耗a d器件maxl91 ，與現有的mca相比，提高了轉換速度，降低了mca的功耗； （ 3 ）採用高頻模塊電源，減小了採集系統的體積； （ 4 ）整機功耗低，小於3 . 9w ； （ 5 ）儀器重量輕。 -
The research of approach to monitor bridge health state has become a hot spot which social and technologic people have explored through the theory of, dynamics of structures and the lest technology. structure mode parameters ( vibration frequency, mode of vibration and damping ) are the functions of physical property parameters ( mass, rigidity, damping ). the damage of structures certainly leads to the transformation of physical property parameters
結構模態參數（振動頻率、振型和模態阻尼等）是結構物理特性參數（質量、剛度、阻尼）的函數，結構損傷必然導致結構物理特性的變化，即結構參數發生改變，利用現代的測試技術準確地測出這些參數變化，就可對橋梁損傷狀況進行評估，應變模態方法識別橋梁損傷就是基於這種理論提出的，本文所做的主要工作為： 1 -
So, in the process of laser powder rapid micro - fabrication, to gain the fine light solidification unit, mainly should adopt two following aspects : 1. using the laser that has the mini - focus spot. usually select the doubling frequency laser or fiber laser
要想獲得細小的光固化單元，對于激光粉末快速微成形工藝而言，主要從下面兩個方面入手: 1 .使用光斑直徑細小的激光器2 .選擇粉末顆粒直徑小的金屬粉末作為激光粉末快速微成型固化材料為了解決精細聚焦問題，我們採用nd : yag倍頻的方法獲得短波長激光器。 -
Audio frequency command spot
音頻命令點 -
In designing the stage controlling system, brake motors are used in place of traditional hydraulic power transmission, combined with frequency conversion technique, computer controlling technique, realizing the smooth control over the elevating orchestra. on - the - spot debugging and operation show that it is desirable in effect, reliable in operation, smooth in starting and stopping, accurate in leveling with the surface of the stage, thus, fulfilling the anticipated requirements
在設計舞臺控制系統中，本文用制動電機傳動取代了傳統的液壓傳動，並結合了變頻技術、計算機控制技術，實現了對樂池升降的平穩控制，經過現場調試和使用，控制效果理想，運行可靠，啟動停止平穩，平層準確，達到了預期的要求。 -
The signals of multi - channel sensor at measuring spot were processed and translated by signal encoding technology to fuse into a baseband signal and then the signal was transmitted directly or in frequency - hand mode
該方法利用信號編碼技術對測控現場的多路傳感器信號進行處理和變換，使其融合為一路基帶信號后，或直接以基帶傳輸或以頻帶傳輸。 -
With the continuous enlargement in capacity of a wind - power generator, the efficiency improvement of electric power generation had been become more and more important. the variable - speed constant - frequency ( vscf ) power generation, which is served to reach maximum wind - energy capturing and utilization for a variable blade - pitch wind - turbine, is the studying hot - spot of the wind - power generation technique at present
隨著風力機組單機容量的不斷增大，提高發電效率已是風力發電研究的重要內容。採用變槳距風力機實現最大風能捕獲和利用的變速恆頻發電已成為當前風電技術的研究熱點。 -
Because the high frequency of bearings and long cyclic time, the ordinary instrument for the signal collection can not save the large number of datum. development of a type of portable. conveniently on - the - spot collection, high sampling frequency and large memory capacity instruments is very important
由於回轉支承的振動信號頻率較高（一般需要2khz以上的采樣頻率） ，工作一周時間較長（一般在50秒左右） ，所以使用一般的振動信號採集儀無法滿足大容量數據採集存儲的要求。 -
With the application of phase detector in industrial experiment on the spot, when the phase of working frequency power supply is consistent with the output phase of variable frequency power supply, plc sends out the instruction to switch off the output of transducer. the electromotor is connected with the industrial frequency voltage after it was disconnected from the out
在現場工業試驗引入鑒頻鑒相控制器，在工頻電源和變頻輸出電源相位一致時， plc發出指令切斷變頻器輸出，電機從變頻器輸出端斷開后，馬上接入工頻電源，轉換時間控制在幾十毫秒之內。
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