P - pw 中文

pw PW ＝prisoner(s) of war 戰俘。

pwa
A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以方波電壓訊號加上均勻雜訊乘以無雜訊載波之調變訊號為例，圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動，顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
4 . dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance , the relation is p = ae , when the defomation of wall has evidently effect on the soil pressure . 5 . the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ) , the research find pw = 1 . 22sw 6 . the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor 4 、探討了考慮時間效應的土壓力和位移關系曲線，認為在當墻體的變形對土壓力分布產生明顯影響時，二者間的關系可用一指數函數來表達： p = ae ~ ( ( / s ) ) 5 、墻體側向變形，導致墻后土體產生沉降，在本次研究中，排除掉基坑降水施工因素的影響，由墻體變形導致的墻后土體沉降，二者具有p _ w = 1 . 22s _ w關系； 6 、將基于時間窗口滾動多步神經網絡預測方法和應用于深基坑工程墻體變形的預測工作，具有較高的預測精度，該方法在巖土工程變形預測方法中具有廣泛的應用前景。
3 . make a study on multi - parameter sorting method for radar signal , which uses the parameter including pri , pw , rf and doa . discuss the method ’ s flow , thought , arithmetic and simulation . make an emphasis on improving fast pri sorting arithmetic which can satisfy the real time requirement 3 .對雷達多參數聯合分選方法進行了詳細的研究,詳細的討論了分選的流程,思想,算法,和仿真實現,并提出了一種改進的雷達主分選算法,大大縮短了分選的時間,基本能夠滿足實時的分選要求。
Grell scheme can simulate pw more accurate than others for coarse grid of mm5 and pw simulation of bm scheme is less accurate than others for fine grid of mm5 . 3 , the initial humidity fields reanalyzed by using gps pw can obviously improve its capability in revealing the water vapor distribution , which can result in restraining pw prediction bias during the earlier period of model integration so as to improve pw prediction 3 、用gps測量的可降水量資料調整mm5模式濕度初始場可明顯增強模式初始場描述水汽分布的能力，使其對可降水量的描述誤差明顯減小，有利于模式初始場更好地反映出水汽分布的局地特征，從而有效地控制模式積分初期對可降水量的預報誤差。
Mm5 has a ability of simulating zwd on the whole with a bias larger than zhd ' s , which manipulates the bias of ztd simulation . the increase of mm5 resolution can improve the ability of simulating and depicting zhd , zwd and pw distribution . kf , bm and grell parametric schemes have a close ability of simulating pw at the beginning of 10 - 11h integration of mm5 model , and then the prediction bias of pw increases obviously after 20 - 21h integration 在mm5模式24h積分的前10 11h ，選用kf 、 bm和grell三種積云參數化方案模式對可降水量的預報偏差基本接近，對可降水量具有較好的預報能力，其后三種積云參數化方案對可降水量的預報偏差差異增大，模式積分至20 21h后對可降水量的預報能力明顯減小。
On the whole , gps pw data assimulation will improve precipitation prediction . 6 , gps zwd assimulation ingests atmospheric information observed by gps into mm5 initial fields more easily than gps pw assimulation so that the initial fields of humidity , temperature , pressure and wind can be modified in a greater degree 6 、 gps濕延遲量資料的三維變分同化比gps可降水量資料同化更容易將gps對大氣的監測信息傳遞給mms模式初始場，使得對模式初始濕度、溫度、氣壓和風場的調整程度大于gps可降水量資料同化對模式初始要素場的調整
In this part , the high - frequency series inverter with resonant pole capacitor is introduced mainly . the current - exchanging processes of the inverter in different working modes are analyzed , how to reduce the switching loss is discussed , and the calculating methods of snubber capacitor c , factor angle switching frequency and pulse width pw are given in optimum switching process . and results of simulation and experiment verify the validity of theoretic analysis 接著重點研究了含有諧振極無損緩沖電容的逆變器，對其換流過程中的不同工作狀態進行分析，討論了如何減小逆變器的開關損耗，給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法，并通過大量的仿真和實驗波形證明了理論分析的正確性。
A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以雙邊遞減波電壓訊號加上含有準常態雜訊為例，圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動，顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
A voltage signal rect ( tt / pw ) multiplied by normal noise is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以乘上準常態雜訊之方波電壓訊號為例，圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動，顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
A voltage signal tria ( tt / pw ) added by normal noise . is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal 以加上準常態雜訊之三角波電壓訊號為例，圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動，顯示雜訊與訊號之隨機過程在時域與頻域之不同特性。
Presently , the laser pulse from the high power ultrashort laser system is several femtoseconds in duration , tw ( or pw ) level in peak power , 1020 w / cm2 ( or 1021 w / cm2 ) in focusing power density , according electric field is much stronger than coulomb field in atoms 目前，高功率超短脈沖激光放大系統輸出的激光，脈寬達到幾個飛秒，峰值功率達到太瓦甚至拍瓦量級，聚焦功率密度達10 ~ 20w cm ~ 2 ，甚至1021w cm2 ，相應的電場比原子內庫侖場強得多。
We have two major series of products : one is cb series weighing controllers batching controllers , packing controllers , fixed - value controllers , filling controllers , the other is pw series packing scale pw1 , pw2 , pw4 , pw6 and relative equipments and systems 公司主導產品分為兩大類： cb系列稱重控制器配料控制器，包裝控制器，定值秤控制器，灌裝控制器和pw系列包裝秤pw1 ， pw2 ， pw4 ， pw6及相關的設備和系統。
The method can measure the following parameters , ( pulse attitude ) pa , ( pulse width ) pw , ( time of approach ) toa , snr , ( radio frequency ) rf , pulse envelope characteristic parameters and intra - pulse modulation parameters with a high precision and a high discrimination 該算法能夠分析雷達信號的脈沖脈幅、脈寬、到達時間、信噪比、載頻、脈沖包絡特征參數和脈內調制特征參數。
In this paper , we frist discuss the radar signal pulse and it ' s parameters , then we introduce the principle and method of the measure . at last we introduce how to get the pa , pw and toa based on xilinx spartan - ii fpgas 本論文首先對脈沖及其參數進行了分析，然后介紹了雷達脈沖參數測量的原理，并針對現代復雜電磁環境的特點，對脈沖參數測量的方案進行了設計。
In general , 6h accumulated rainfall prediction of mm5 is improved by 3dvar of gps zwd data more significantly than gps pw data although the former improvement is related to the rainfall amount 盡管濕延遲量資料同化對6h累計降水預報的改善在不同的降水等級表現了不同效果，但總體上濕延遲量資料同化對6h累計降水預報的改善程度要高于可降水量資料變分同化。
Fig . 3 mcao for 3 hours , pwi showed that the maximun reducing amplitued of time - signal intensity was smaller than that of the left temporal lobe on the right sied , and after reperfusion there was almost identical Pw顯示左側顳葉的時間一信號強度曲線的最在下降幅度較健側小,恢復血供后兩側基本一致
All subjects underwent spirometry , measurement of aortic pulse wae elocity ( pw ) and augmentation index , dual - energy x - ray absorptiometry , and blood sampling for inflammatory mediators 所有受試對象都進行肺活量測定、主動脈脈搏波速( pw )和增強指數測量、雙能x -線吸收儀檢查，以及炎癥介質血樣檢測。
Nudging assimulation of pw can improve prediction slightly , and increasing nudging gain coefficient play a little role in improving prediction Gps可降水量資料的nudging同化對可降水量預報改善較小，并且nudging系數的增加對可降水量預報效果的改善程度影響不大。
3 . the electrocatalytic activities of the pt / c catalysts with 20 % pt and different average diameters of the pt particles for the ethanol oxidation were compared 發現pt的平均粒徑為3二urn的pw催化劑的催化活性最高，其次是38 、 4

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pw

pw PW ＝prisoner(s) of war 戰俘。

pwa

3 . the electrocatalytic activities of the pt / c catalysts with 20 % pt and different average diameters of the pt particles for the ethanol oxidation were compared 發現pt的平均粒徑為3二urn的pw催化劑的催化活性最高，其次是38 、 4