periodic data 中文意思是什麼
periodic data
解釋
段落數據-
The other is train communication network. based on the protocol of " iec 61375 - 1 ", published by iec in 1999, the data to be transmitted is classified into urgent periodic variables and deferrable random messages. in this paper the whole net is decomposed into two layers : train bus and vehicle bus
文中參考iec組織1999年公布的「 iec61375 - 1 」標準協議，將整個列車網路分為連接各個車廂主機的上層列車總線網和連接單個車廂內負責控制、檢測等子設備的下層車廂總線網，同時將傳輸的數據類型區分為實時的周期性過程數據和可延遲的偶發性消息數據。 -
There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data
（ 2 ）根據土壤溫濕資料，採用功率譜分析、 pca分析等方法，分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響，發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期；下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響，冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響，且溫度梯度與水分運動方向相反。 -
The iterative learning control has been raised as a new control concept. by correcting the current control command using the previous system error data instead of the exact system parameters, iterative learning control can effectively suppress the vibration of the highly periodic system
迭代學習控制不需知道系統的具體動力學參數，只要系統運動具有一定周期性，它便能利用系統先前的控制經驗和輸出誤差來修正當前的控制信息，從而達到良好的控制效果。 -
Credes develops and conducts periodic and targeted surveys on populations, health care professionals, and institutions, to collect data on medical care consumption and production
Credes通過對人口、健康醫療制度及相關產品消費狀況的調查，對消費者的健康醫療行為提供醫學的、經濟的、地理的、社會的分析預測研究。 -
When modes sending data to the higher and the lower interest entity set are both periodic which is prevalent sending mode in the existing dve and this two sending frequencies is integer multiple, the performance of etlim is satisfied. now the number of package transmitted equals to that of npsnet mechanism, and the number of package received equals to that of singhal mechanism
當對高、低興趣實體集都採用周期性數據發送方式（現有dve系統所採用的數據發送方式）且它們的發送頻率成整倍數時，數據的接收量與singhal機制的數據接收量相等，實體狀態數據的發送量則與npsnet機制的數據發送量相等。 -
Another is maximum allowable dispatching the effectiveness of flood control and actives. with the extension of hydrological observation data and accumulation of reservoir operation experiments, periodic analysis and research the reservoir design flood is basic of operating above two aspects
隨著水文觀測資料的延續和水庫運行經驗的積累，定期對水庫設計洪水進行分析研究是保證水庫實現上述兩大職責的基礎。 -
The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective
統計演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處，能簡單有效提取以上噪聲的特徵;雙譜能夠提供比功率譜更多的有用信息，有效地檢測信號幅度之外的其它信息，並能有效抑制高斯噪聲，短時語音信號一般認為是平穩且有一定的周期性的非高斯信號，因而可以利用雙譜來提取語音信號特性並實現信噪分離;復數譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法，此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號，基於實驗表明，該演算法取得了很好的效果。 -
Determination of linear and periodic error parameters for the scale value of lcr gravimeters by observed gravity data
重力儀的線性格值和周期誤差參數 -
With the meteorological and hydrographic data in songhuajiang and nenjiang valley from 1951 to 1995, using correlation analysis and empirical orthogonal analysis, the rule of the flood and relation between flood and precipitation distribution in this region are discussed. the results show that periodic change of water level is obvious in this region. now water level is in the serious stage from 1980 ' s. there are great relation between the water level of flood period and the precipitation. the unusual precipitation of nenjiang valley has greater impact than that of second songhuajiang valley. at the summer in 1998, songhuajiang and nenjiang valley encountered the ghastly flood and the reason for that is the anomalous precipitation great exceeding the historic maximum
利用松花江，嫩江流域1951 1995年期間的氣象和水文資料，採用相關分析，經驗正交分析等方法，討論了該流域洪澇發生的規律及其與流域內降水分佈的關系.文章指出，江流域的水位變化有明顯的階段性，且具有全流域一致的特性，目前正處在80年代以來洪澇較嚴重的階段;嫩江流域降水異常偏多對松花江洪澇的影響比第二松花江的作用要大; 1998年夏季，松花江，嫩江流域出現超歷史紀錄特大洪水的關鍵原因是嫩江流域6 8月的降水距平百分率遠遠超過了歷史上的的最大值 -
As the traditional navigation system ca n ' t satisfy the requirements of the autonomous underwater vehicles ( auv ) navigation and position. we study a depthometer - doppler - aided strapdown inertial navigation system ( ddsins ) in combination of the developments of periodic navigation technique and some practical problem posed by the mathematical and variation of output data of doppler, furthermore, the digital simulation and semiphysica test are made to verify the validity of the algorithm, the main research work are as follows : design of the strapdown inertial navigation system of auv
由於傳統的導航系統很難滿足遠程水下航行器精確導航、定位的要求，本文在充分考慮使用特殊性的情況下，結合國內、外導航技術發展的實際狀況和發展方向，研究了水下航行器組合導航系統的誤差，重點解決了因多普勒輸出數據周期長和周期時變而給導航計算和濾波器設計帶來的問題，並進行了模擬和實物測試，模擬和實物測試結果表明本文所研究的設計方案合理，可以達到某型水下航行器導航、定位需要的精度。 -
Because the users are not changing data, concurrency and atomicity issues are not a concern ; the data is changed only by periodic, bulk updates made during off - hour, low - traffic times in the database
因為用戶並不更改數據，所以不存在並發性和原子性問題；又因為數據只定期更改，所以可以在非工作時間和低流量時間對數據庫進行大容量更新。 -
Through the settling and analysis of these data, we find that the seabed sediments intensity appears heterogeneity on the plain and the profile under the action of wave loading, i. e., the random or periodic variation of seabed soil intensity in the plain, and hard soil layer in certain depth under the bottom
發現在波浪作用下，黃河口沉積物強度出現了非均勻化，即在平面上，沉積物強度呈現隨機性或間隔性變化；在剖面上，海底面之下一定深度范圍有硬層發育。 -
The thesis uses 0 - 1 integer linear programming to construct algorithm - hardware mapping models. based on bounds of data flow graph proposed by barwell and hodges, cost function combining iteration periodic bound with periodic delay bound and several constraints are proposed
根據已提出的數據流圖的界，確定規劃和映射模型的目標函數，即最小化循環周期界和周期延遲界，進而建立規劃和映射問題的一系列的約束條件。 -
The results of these oversight activities constitute a body of data that provides the required insight for " changing and discontinuing specific investments. " that is, this data enables managers to make periodic decisions, over an initiative s lifetime, as to whether the organization should continue the initiative, make significant changes to it, or discontinue work on it - if the initiative is perceived as a poor investment
這些監督活動的成果構成了提供必要的對「變更並終止具體投資」的洞察的數據體。換句話說，此數據使管理人員在計劃的生命周期中做出周期的關于組織是否應該繼續計劃、對計劃做出重大變更，或停止工作如果察覺到計劃是糟糕的投資的決策。 -
At the same time, deadline field is introduced into periodic data frames to differentiate their emergency degree, and non - preemptive edf scheduling method is applied to improve the end - to - end delay of periodic data field
同時還在周期性數據幀中引入截止期限欄位來區分其不同的緊急程度，並對其採用非中斷的edf調度方法來改善周期性數據幀的端到端延遲。 -
To enhance electrical safety, emsd have implemented new procedure for endorsement of periodic test certificates. registered electrical contractors ( recs ) and workers ( rews ) are required to provide test data on all branch and final circuits in addition to the schematic diagrams and checklists for the submission of the periodic test certificates. recrew can download the proposed schedule of test results for the record of test data
為加強電力安全，本署已實施新措施，要注冊電業承辦商及工程人員在提交《定期測試證明書》時，除以往要求的線路圖及核對表外，另須呈交包括分支電路及最終電路的測試數據。 -
The peer review coordinator shall maintain these metrics in a repository and produce periodic reports of summary data for practitioners and managers
同行評審協調者應當在存儲庫中保存這些度量值，並生成階段性的數據總結報告給實踐者和經理們。 -
Traditional spread spectrum communication adopts pseudo - noise ( pn ) codes as spreading codes. however, pn sequence is fixed and periodic, which threatens the transmission security. self - encoded spread spectrum ( sess ) employs random spreading sequences that are extracted from the random information data, abandoning the fixed sequence
傳統的擴頻通信廣泛採用偽噪聲（ pseudo - noise ， pn ）序列作為擴頻序列， pn序列具有類噪聲特性，但它實際上是確定的周期序列，容易被復制。 -
Sleep schedule for periodic data transmissions in sensor networks
傳感網中基於周期性數據傳輸的休眠調度研究 -
After switching, you need to take periodic data backups to protect your data and to truncate the inactive portion of the transaction log
切換之後，需要定期備份數據，以保護數據並截斷事務日誌的不活動部分。
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