interval speed 中文意思是什麼
interval speed
解釋
門間滑速-
Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成，根據各部件的介面類型連接模型庫中的部件，建立了單缸發動機非線性模型，在此基礎上，依據發動機實際發火間隔和順序，建立了面向控制的四缸汽油機模型，並以測功器為負載，通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究，模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。 -
The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar
研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。 -
There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。 -
Recording traveling data in 1 second interval - recording data includes : maximum speed, average speed, traveling distance, harsh brake and harsh acceleration
-可紀錄行車距離公里，平均速度，每段最高速度，行車時間，重殺車或突然加速，每段開車或行車紀錄 -
Abstract : this article is based on the theory of fuzzy optimization design. the running speed and width and initialtensileforce and interval distance of roller are its design variable. the objective function is the minimum power loss of the traction motor. it constructs the fuzzy optimization mathematical model of the two - way running belt conveyer ' s main parameters
文摘:以模糊優化設計理論為基礎，以雙運帶式輸送機輸送帶的運行速度、寬度、初張力及托輥間距為設計變量；以牽引電機運行的最小功率消耗為目標函數，構造出了雙運帶式輸送機主參數的模糊優化數學模型。 -
By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article
模擬模塊內各點的速度線性變化時，得到空間域平均速度以及頻率域以振幅為權重的平均速度，分析了空間域平均速度和頻率域以振幅為權重的平均速度的關系，並揭示空間域的平均速度的標準差_ x和頻率域的振幅為權重的平均速度的標準差_ v的意義，以及它們之間的關系；第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分，並根據風場連續性原理，介紹了高度調整法的質量控制；第五章介紹導風系統的流程，選擇了三個時刻的ir雲圖，分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法計算一個風場個例，並對所得風場進行質量控制，並給出風場圖；第六章進行研究總結，指出不足和有待于進一步研究之處。 -
The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver
介紹了瑞雷波勘探的原理和f - k域分析法的計算過程，分析了各參數對瑞雷波相速度計算的影響，通過實驗數據分析了影響瑞雷波勘探的主要因素，就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。 -
Harmonic analysis can be produced in as little as 10 milliseconds, or measurements may be integrated over more than a day. the user may set any measurement interval, perform synchronous averaging on harmonics, and even perform full spectrum analysis to detect non - harmonic signal content. the system s main processor controls all display, data storage and i o functions, thus allowing each channel to perform its analysis at maximum speed
在每通道雙數字信號處理器結構中，結果形成超快速諧波分析，諧波分析可於至10毫秒產生，或可綜合測量超過一天，用戶可設定任何測量區間，執行諧波同步平均，及進行全頻譜分析從而探測非諧波信號內容，系統的主微處理器控制全部顯示數據儲存與i 0功能，故使各通道可於最高的速度下進行分析 -
With the development of dsp chip techniques and the introduction of some mature techniques, such as fft / ifft, the application of 64 / 128 / 256 qam in high - speed modem, tcm, adaptive channel equalization, the insertion of guard interval and so on, people are starting to focus on the application of ofdm in the field of mobile communications
隨著dsp晶元技術的發展，傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適應技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入，人們開始集中越來越多的精力開發ofdm技術在移動通信領域的應用。 -
However, to the essential of communication technology, those techniques are all change in transmission medium or channel. recently, because of the development of dsp, ifft / fft, 46 / 128 / 256qam using in high - speed modem, and gradual introduction of new coding technique, soft decision technique, channel self - adapting, guard interval, ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention. as a technology of high - speed transmission, ofdm can resist isi effectively
近年來，隨著dsp晶元技術的發展，傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適應技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入，正交頻分復用ofdm （ orthogonalfrequencydivisionmultiplexing ）作為一種可以有效對抗信號波形間干擾的高速傳輸技術，引起了廣泛關注。 -
By the experiments on sawtooth anti - blocking mechanism under different situations. pictures analysis shows that anti - blocking capability is excellent when the rotary speed of main shaft is 650 r / min, the trolley speed is 0. 3 m / s, he interval between moved, sutter and static cutter and the mulehed straw is 10mm and the mulrhed straw is 11250 kg / hm2
利用該測試系統對鋸齒防堵裝置在不同工況下的防堵性能進行了定性分析，分析結果表明：轉速為650r min 、臺車前進速度為0 . 3m s 、動定刀間隙為10mm 、秸稈覆蓋量為11250kg hm ~ 2時，防堵效果比較好。 -
After researching on the midi norms and summarizing the regulations of many students " playing samples, we ' ve approached a way to solve the problem which can divide and discern the harmony accurately, whatever the playing speed or intensity. that is, associate the time - interval between each chord with midi denotational message
在對midi消息進行了研究並對學生彈奏的和弦樣本總結規律的基礎上，採用了時間間隔和midi標志信號相結合的辦法，對于不同速度和強度的彈奏都能夠較好的分離和識別。 -
It belongs to multi - carriers modulating technology, and its most remarkable character is the high - speed transmitting ability as well as the excellent resistibility to interface of signal interval and decline of channel selectivity
它屬于多載波調制技術，其最大的特點是傳輸速率高，對碼間干擾和通道選擇性衰落具有很強的抵抗能力。 -
Based on velocity and interval between vehicles during driving which are the two most important factors related to safety, the time relationship between surrounding perceiving, decision making, operation, vehicle response and driving speed is analyzed
以汽車駕駛中行駛速度和與車距這兩個重要安全因素為基礎，分析了汽車行駛中感知、判斷決策、操作和汽車響應與速度的時間關系。 -
Pneumatic and automatic separator of injector valve and orifice is based on pneumatic measurement and 8051 mcu, which is used for data processing and control. it can automatically separate injector valve and orifice, whose nominal size is 6 and tolerance is + 10u, with the interval of 1u, accuracy of 0. 5u and speed of twenty pieces per minute around. the automatic separation system of injector valve and orifice has low cost, high separation accuracy, high separation speed and easy operation
使用氣動噴油嘴偶件針閥、針閥體自動分選系統能實現對公稱尺寸為6 、公差為10的噴油嘴偶件針閥、針閥體按1分選間隔、 0 . 5分選精度的自動分選，分選時的速度可達每分鐘20件左右。 -
Considering the number of the feature points extracted in different images is not equal and their locations are also not corresponding, the scheme presents the closest interval criterion and the svd algorithm to accurately register the retinal images. in order to meet the practical requirements of image registration precision and speed, the paper describes the maximal correlation objective function and uses the simplex - simulated annealing algorithm to optimize the parameter
在基於特徵對應性圖像配準演算法中，利用多方向探測方法準確提取了視網膜圖像中的血管交叉點和分枝點，對于提取得到的配準及參考圖像特徵點之間非對應性且數目不等這一配準演算法中不可避免的問題，本文提出了距離最近標準和svd分解方法，有效的解決了這一問題。 -
The results shows that the factors which influence the power consumption include the rotary speed of main shaft, the trolley speed, the interval between moved cutter and static cutter and the mulched straw, the distance between sawtooth and ground has the less influence than the above factors
分析結果表明：影響功率消耗的主要因素有：主軸轉速、臺車前進速度、動定刀之間的間隙和秸稈覆蓋量，鋸齒離地間隙對防堵裝置功率消耗的影響很小。 -
Through design and analysis of the main parts of sawtooth anti - blocking mechanism, the main factor of influence on the performance of sawtooth anti - blocking mechanism is the rotary speed of main shaft, the trolley speed, the interval between moved cutter and static cutter, the distance between sawtooth and ground, the mulched straw and so on
通過對鋸齒防堵裝置中主要零部件的設計分析，得出主軸轉速、臺車前進速度、動定刀間隙、鋸齒離地間隙、秸稈覆蓋量等是影響鋸齒防堵裝置防堵性能的主要因素。根據實驗目的，確定了防堵裝置功率消耗的測試方法。 -
It is an important method of error control coding technology to solve the problem of transmission dependability. viterbi decoding algorithm is a kind of maximum likelihood decoding. because it can gain higher decoding speed and have the fixed decoding interval, viterbi decoding is applied so widely
差錯控制編碼技術是解決傳輸可靠性的一種重要手段，維特比（ viterbi ）譯碼演算法是一種最大似然譯碼，它可以得到較高的譯碼速度以及譯碼計算時間固定，因而在通信系統中得到廣泛應用。 -
The basic principle of ofdm is converting high speed codes flowing in serial transmitting into low speed codes flowing in parallel transmitting, so the period of code is lengthened. it get over multi - channel delay using protective interval. if we deal with the received codes appropriately in receiver, the multi - channel can be matched with single channel, and the effect of channel to signal become multiplication from convolution, so ofdm can eliminate isi effectively
Ofdm的基本原理是將高速串列碼流變為并行傳輸的低速碼流，增大了每個碼元的周期，在傳輸中又使用了保護間隔來對付多徑延遲，在接收端對接收序列進行適當處理后可以將多徑通道等效為單徑通道，並使通道對信號的影響由卷積關系變為乘積關系，從而可以有效地消除isi 。
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