時間間隔差法 的英文怎麼說
中文拼音 [shíjiānjiāngéchāfǎ]
時間間隔差法
英文
time interval difference- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 隔 : partitionseparate
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
- 間隔 : interval; space; spacing; blanking; blank; region; distance; gap; intermission
-
Since 1960 ", the methods for charactering time - frequency stability in time - domain have been in progress. the methods include allan variance, modified allan variance, time variance, hardamard variance, total variance, time interval error ( tie ) and maximum time interval error ( mtie ), of which tie and mt1e are usually used for telecommunication network
自20世紀60年代以來,時間及頻率穩定度的表徵方法一直在不斷的發展,有阿侖方差、修正阿侖方差、時間方差、哈達瑪方差、總方差以及常用於電信網路的時間間隔誤差( tie )和最大時間間隔誤差( mtie ) 。( 2 ) based on the review and analysis of typical object detection methods, especially the temporal difference, a moving objects detection algorithm based on three frame difference is proposed. this algorithm employs many new technologies, such as adaptive frame interval, half - pixel global motion estimation and compensation, adaptive change detection and object repair, therefore it is very practical
2 .在總結常用運動目標檢測方法,並詳細討論時間差分法的基礎上,針對實地拍攝的紅外圖像序列,提出了一種基於三幀差分的運動目標檢測演算法,該演算法採用自適應幀間隔、半象素全局運動估計與補償、自適應變化區域檢測、抗噪聲形態學處理和目標修復等一系列新技術,具有很強的實用性。Arid an algorithm of parity residuals and the theory of residual vector probability - data fusion are used for detecting the abrupt change failure of srfcs, especially the failure of actuators ' failures and single control surface ' s failures
該系統是按照軟體工程規范,採用等價空間法和殘差向量的概率信息融合法研製和開發的,不僅能對飛行控制系統的突變故障作動器卡死故障和控制舵面損傷故障進行實時檢測和隔離,而且具有良好的用戶界面。For the present study, complete data existed for 157 subjects. data concerning aggressive behaviors were obtained via natural observation every 6 months from age 4 to 5, 3 in all and those involving family influences were collected during the time of the first and third observation, administering questionnaires to children ' s mother. the main findings from the present study are as follows : 1
採用時序滯差性追蹤設計,對157名4歲兒童進行了1年追蹤:運用自然觀察法每隔半年對被試進行一次觀察,並在第一、三次觀察期間對被試母親進行集中的問卷調查以獲得家庭影響因素的信息;同時由教師對兒童的攻擊性進行評定。In addition the construction method and holes arrangement of milliseconds differential blasting technology were design
分析了微差爆破技術的施工方法和布孔,並對微差爆破的時間間隔、用藥量等參數進行了計算。Results : there were no differences between the two groups in terms of operating time, postoperative pain, nausea or vomiting, pain - free interval after operation, analgesic requirements or patients ' satisfaction with the method of anaesthesia
結果:兩組之間的手術時間、術后疼痛、惡心或者嘔吐、術后無痛間隔時間、止痛劑需要量或者患者對麻醉方法的滿足程度均沒有差異。Based on the coherent reception theory of radio signals and the theory of digital signal processing, the effects of carrier frequency offset, sampling clock offset, and symbol timing offset on ofdm signals are exploited. a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation, frequency - domain frequency offset, sampling offset, and symbol timing offset estimation
以無線信號的相干接收和數字信號處理理論為基礎,就載波頻偏、采樣鐘偏差和符號定時偏差對ofdm信號的影響進行了分析,對基於保護間隔的符號定時與載波頻偏估計演算法和多種現有頻偏、采樣鐘與符號定時偏差的頻域估計演算法進行了研究,提出了一系列改進措施與新演算法。As a part of the project, some contents, problems and recent researches on networked control system are introduced in this paper first. in order to reduce the occupation of network bandwidth, a method which finds the maximum transmit time can guarantee the stability of discrete control system is presented. for the sake of studying the network ' s delay influence on control system, a networked control system experiment software scheme is put forward in the last part of the paper
文中介紹了網路控制系統的一些基本概念、問題及目前的研究成果,提出在採用模型狀態反饋控制律並考慮網路延時情況下,保證離散網路控制系統穩定的最大通訊間隔的選取方法,並研究了建模誤差對最大通訊間隔的影響,介紹了通過預報的手段減小網路延時對控制系統影響的方法。This paper discusses a new, precise short time interval measuring method that is based on the quantized time delay. it decreases the + - 1 word count error efficiently
本文提出的一種基於量化時延原理的短時間間隔的精確測量方法的新思想,十分有效地減小了1個字的誤差影響。Technology of time - interval measurement has been applied in many fields. how to improve its precision is an emergent question. on the basis of analyzing electronic counter ' s principle and error, this paper puts emphasis upon introducing high precision time - interval measurements all over the world. all these methods aim at electronic counter ' s principle error, and obtain special effect. lastly, the progress direction and application foreground of high precision time - interval measurement methods are predicted
時間間隔測量技術在眾多領域已經獲得了應用,如何提高其測量精度是一個迫切需要解決的問題,在分析電子計數法測量原理與誤差的基礎上,重點介紹了國內外高精度時間間隔測量方法,這些方法都是對電子計數法的原理誤差進行測量,並且取得了非常好的效果;最後給出了高精度時間間隔測量方法的發展方向及應用前景。In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信號處理部分是本文研究的關鍵,採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎,其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數,並提供計數量化誤差測量電路相應的時序和控制信號,用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量,保證了系統的解析度。At first, the fundamental principles on wavelet transform ( wt ) and its reconstruction, specially on one - dimension cwt, binary discrete a, # cwt and their reconstruction, are provided. next, the principles on vlsi realization of one - dimension cwt are expounded, and the relevant methods of the implementation are classified and compared with each other. a systematic algorithm for approximating the wavelet function and a example of calculation are gived. it is demonstrated by the example that the algorithm is simple, effective, low erroneous and can be applied to approximating the wavelet function with analytic expression or equal interval samples in time - domain
論文介紹了小波變換特別是一維連續小波變換和二進離散,柵格下的連續小波變換與重構的基本原理;闡述了小波變換vlsi實現的原理,並對相關的實現方法進行了分類和比較;提出了一種系統地逼近小波函數的演算法,並給出了計算實例;計算結果表明,該演算法簡單、有效、誤差小且適合於逼近具有時域解析表達式或給定了等時間間隔時域樣點值的小波函數。From error of trapezia quadrature and hardware design of calorimeter, we introduce sampling factor to obtain factual temperature and adopt shorter interval to perform cooling emendation. the appropriate interval is confirmed through thermal capacity demarcating and caloric measuring experiments
從梯形法求解定積分的誤差出發,結合恆溫式氧彈儀硬體電路設計的具體情況,引入采樣因子來準確獲得測量過程的實際溫度,並採用較小的時間間隔進行冷卻校正的計算。The results of the test demonstrated that the system has a good performance in the linearity, dynamic scope, isolation, coherence of the amplitude. the group delay of the upmixers is 2ns, which is better than other domestic manufactures. because the inconsistency between the isolation and the phase coherence, and the error of the test method, we haven ’ t gotten the good performance of the phase coherence. the next work is improving the restrain of the filter to the lo signal and the phase test methods
在單路發射通道上,群時延達到了2ns ,優于國內很多產品。三路通道之間的相位一致性由於測試方法的誤差以及隔離度指標的牽引作用,我們不能調試達到非常好的在相位一致性指標,再下一輪的工作中必須提高濾波器對本振信號的抑制度,改進相位測試方法以達到指標要求。分享友人