high-low technique 中文意思是什麼
high-low technique
解釋
高低法-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。 -
Electrical capacitance tomography ( ect ) is one of process tomography ( pt ) technique which is based on capacitance sensor, it can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe, vessels and so on in real time. ect has the advantage of being non - intrusive, fast in response, simple in structure, high safety and low in cost, so it is one technique which has great developing potential in field of petroleum, chemical engineering and so on
電容層析成像（ ect ）技術是近年來發展起來的一種基於電容敏感機理的過程層析成像（ pt ）技術，可實時提供封閉管道、容器等過程設備內物場運動狀態的二三維可視化信息，具有非侵入、響應速度快、結構簡單、安全性能好、成本低等優點，是一種在石油、化工等領域很有發展前景的pt技術。 -
Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。 -
As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion
分析結果表明: （ 1 ） rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出率，帶魚的多態比例和遺傳多態度均較小帶魚的低; （ 2 ）線粒體165出兇a基因序列在分析兩物種遺傳變異時表現出保守和變異的雙重特性，種內變異極小而種間較大: （ 3 ） 5個隨機引物擴增出種特異的ra衛d帶，可作為種間分子鑒定標記; （ 4 ）研究證實帶魚和小帶魚是不同屬的兩個種，從而在分子水平上支持了nelson分類系統的觀點。 -
The spray pyrolysis technique has a great application potential to be a method to prepare the economical tin dioxide film for its unsophisticated equipment, low - cost and high deposition rate. in this paper, antimony - doped snoa ( ato ) thin films were deposited onto soda - lime glass by the spray pyrolysis method, using metal salts snch ? 2h2o and sbcls as precursors
噴霧熱分解法以其設備簡單、成本低、制備樣品快等優點成為一種很有應用潛力的制備sno _ 2薄膜的方法，另外噴霧熱分解法在鍍膜玻璃的工業化生產中有著廣闊的應用領域。 -
It set up the development of the world recognized high performance nanofiltration composite membrane of aromatic polyamide, on the basis of reviewing the development, the importance in the membrane separation technology, the classification, the fabrication technique and the current development of the research and the application of the nanofiltration membrane. polysulfone was chosen as the material for making the porous substrate because of its excellent compress - to - denseness resistance, its cheap price and its great availability. by fabricating an ultra thin polyamide functional layer on the polysulfone substrate through interfacial polymerization taking piperazine as the monomer in aqueous phase and trimesoyl chloride as the monomer in organic phase, high performance nanofiltration composite membranes of ultra low pressure and ultra high permeating flux were prepared
選擇耐壓密性能優良，價廉易得的聚碸材料為制備復合膜基膜材料，哌嗪為水相單體，均苯三甲酰氯為有機相單體，通過界面聚合反應在基膜表面形成超薄功能層，制備了超低壓高通量聚哌嗪均苯三甲酰胺聚碸納濾復合膜，以0 . 1 mgso _ 4溶液為測試液，所得高脫鹽平板復合膜（ ）在0 . 4mpa下，脫鹽率為96 . 1 ，通量達85 . 2l -
And production fashion is selected optional for assurance of the material character of hpch. the hpch material, in which the compound technique route of polybasic components is applied, has better properties such as high workability, high durability, low ion transference rate and so on
採用多組份復合技術路線配製出高工作性、高耐久性、低離子遷移率的hpch材料，對其宏觀物理力學性能、耐久性能和微觀結構進行了分析研究。 -
A new filtration technique for purification of carbon, stainless, high speed, low and high alloy steel castings in investment casting was investigated
研究了在熔模精密鑄造中過濾凈化碳鋼、低合金鋼和高合金鋼等鑄鋼件的過濾新技術。 -
Ccd ( closed cycle diesel engine system ) is one of these solutions with merits of low exploiture period, high reliability and well - developed technique of diesel engine, etc, and easy to implement
在眾多的aip方案中，閉式循環柴油機系統ccd （ closedcycledieselenginesystem ）具有開發周期短、可靠性高、柴油機技術十分成熟、易於實現等突出優點。 -
Frequency - hopping ( fh ) is a novel spread spectrum communication technique, which develops very fast in military field due to its lpi / lpd ( low probability of intercept / detection ) properties and immunity against interferences, the extensive application of hf ( high frequency ) frequency - hopping radios in military has greatly enhanced the ability of military equipments against jamming and interception and brought up a new austere challenge for communication countermeasures
跳頻通信具有良好的抗干擾性，低截獲概率及組網能力，因此跳頻技術的一出現，便在軍事領域得到了極大的發展，採用跳頻技術的短波電臺在軍事通信中得到了廣泛應用，極大地提高了軍事裝備的抗截獲和抗干擾能力，向通信對抗提出了嚴峻的挑戰。 -
In accordance with the main contradictions between high deterioration degree of coal and low permeability of coal bed, this paper predicts high permeability region by use of new technique and methods including stress field, curvature analysis and major stress difference analysis
針對沁水盆地煤變質程度高、煤層滲透率普遍較低的主要矛盾，利用新技術、新方法，利用應力場、曲率分析方法和主應力差分析方法預測高滲區。 -
The presented system can be used to monitor the changes of sludge level in the deposit tank and improves the automation of sludge monitoring, thus it is a measuring technique with high precision and low cost
該系統可以自動跟蹤污水沉澱池淤泥界面的變化，提高淤泥監測的自動化水平，是一種精度較高，費用較低的測量技術。 -
Compared with classic wavelet technique, the proposed method can adjust not only the low frequency components of earthquake wave, but also the high frequency components
和傳統的小波分析相比，該方法不僅對地震波低頻分量進行精確調整，還可對其高頻成分實現類似的調整。 -
Using this technique, it is often possible to transform a low - performance general - purpose algorithm into a high - performance specialized algorithm
使用此技術時，可能常常要將低性能的通用演算法轉換為高性能的專用演算法。 -
According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed
利用擴頻通信原理，分析擴頻通信的抗干擾特性，在此基礎上，闡述了電力線載波通信系統的基本結構，提出了一種利用軟體編程實現電力線載波擴頻通信的方法。該方法不增加硬體成本，即能達到提高通信質量、降低誤碼率的目的。 -
Based on the description of the objective and principle of modern bulk cargo wharf production and operation management system ' s construction, this paper gives an exposition on the innovative technique of " the system ", so as to realize automation of wharf production and digitization of operation management, and at last to realize high production efficiency, high management level, high system security, low energy consumption, and low equipment failure for bulk cargo wharf production and operation system
摘要在介紹現代散貨碼頭營運管理控制系統建設的目標與原則的基礎上，闡述該系統創新技術，以實現碼頭生產作業自動化、營運管理數字化，最終實現高生產效率、高管理水平、高系統安全、低能耗成本、低設備故障的散貨碼頭營運系統。 -
The spray pyrolysis method has large application potency to be a method to prepare the economical thin films for its unsophisticated equipment, low - cost and high deposition rate which are great advantages if the technique is to be scaled up for industrial applications
噴霧熱解法具有沉積溫度、速率容易控制，對基板選擇性低，所得薄膜形貌均勻緻密等特點。而且設備簡單，成本低廉，在大規模工業生產方面有很大潛力。 -
A new technique is put forward that high - low brace gantry crane wide double guiding girder method to construct bridge
本文提出了高低支腿龍門吊寬幅雙導梁法這種新的橋梁工程施工方法。 -
Through a real project - - - - - - " b " bid section of shijiazhuang south bridge. it is proved that high - low brace gantry crane wide double guiding girder method is a good and new technique of bridge construction
經過實際工程（石家莊南環大橋b標段）的施工實踐驗證，證明高低支腿龍門吊寬幅雙導梁法是一種優良的橋梁工程施工新技術。 -
In this thesis, we give a systematic discussion on the discovery and the process of the study of magnetoresistance effect, how to get the materials which can make mr effect. from the experimental study point of view, we devise a scaling system for high ( low ) - temperature resistance and magnetoresistance, by using the system, the resistance and magnetoresistance properties of the materials is investigated. we propose a model to analysis the mechanism of mr effect by using a monte carlo technique we present the results of our monte carlo calculation in the last part of the thesis to some extent, theoretical calculation is found to be agreement with experimental results
在本文中，我們較為系統的闡述了磁電阻效應發現、發展過程；如何從實驗上制備出具有磁電阻效應的磁性材料；從實驗研究角度考慮，設計了一套高、低溫電阻、磁電阻測量系統；並利用該系統測量了實驗上制備得到的磁電阻材料的電阻、磁電阻特性，對所得到的數據進行了分析、處理；提出一個物理模型，利用montecarlo模擬方法對磁電阻效應產生的機理作了初步的分析。
分享友人