重降號 的英文怎麼說

中文拼音 [zhòngjiàngháo]
重降號 英文
double-flat
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. A interception probability reduction theory by means of comparing the rppm with constant pri pulse sequence is also analysised in this paper, further more the strong properties of eccm of the rppm is discussed and analysised

    此外，本文還介紹了隨機脈位調制信號比較于等重復周期（ pri ）脈沖信號來降低信號被截獲概率的原理，討論並分析了隨機脈位調制脈沖多普勒雷達較強的抗干擾能力。
  2. With the standardized workshop occupied 11600m2 and 630t hydraulic presses, 315t two axle punch presses, 250 sets of large, middle, small equipments, the company has the whole series production line. main equipments include cut - board machine, incurvate machine, opened incline pressure machine, drill attack machine, auto - moving hang machine, various kinds of moulding plastic machine, lathe, planer, drilling machine, horizontal axis rectangle platform flat grinder, universale lifting platform milling machine, eccentricity axis punching machine, liquid pressure derrick car, etc

    主要設備有： 630噸液壓機315噸雙軸沖壓機250噸沖壓機等大型沖壓機床，剪板機折彎機鉆攻兩用機自動走軌起吊機各式型號注塑機各式車床刨床鉆床臥軸矩臺平面磨床萬能升降臺銑床偏心軸沖床液壓起重車等大中小設備386多臺套，形成具有自動沖壓步進的生產線。
  3. The mechanism for producing weight loss is not completely understood, but seems to result from reduced fat absorption and a satiety signal from lipid - filled cells lining the intestine

    其降低體重的作用機制尚不完全清楚，但可能與減少脂肪吸收、以及位於小腸內膜的充滿脂質的細胞發出的過飽信號有關。
  4. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  5. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  6. On the contents of two sides abovementined, this paper attempts to do some initial researches from three angles as follows : 1, the analyses of anti - seismic features on longitudinal direction of the aqueduct l ) the seismic longitudinal effects are small. the vibrant characters are decided from the structure integration and rigidness of piers and main arch - ring of the aqueduct, so the following measures should be taken in order to weaken and isolate seismic influence : properly broadening the section sizes and adopting the high class concrete, lowering the height and barycenter of building, setting hoop steel bars so as to increase the plasticity of the concrete which can absorb the seismic energy and prevent the damages due to stress centralization on the linkages and changing place

    本文試圖就上述的這兩大方面的內容，從以下三個角度進行了初步研究： 1 、縱槽向抗震性能分析1 ）湯峪河吊桿拱支承結構的縱槽向地震效應較小；吊桿式拱架結構動力特性取決于槽墩和主拱圈的剛度，以及結構的整體性，故適當加大構件截面尺寸或提高砼標號，盡量降低結構的建築高度和重心，在構件連接和變截面處增設梗脅，按照約束混凝土的要求來加強箍筋的配置，增加砼的延性，以克服地震時構件連接和變截面處的應力集中造成的坡壞，並吸收大量的地震能量，從而起到隔震，減震的效果。
  7. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產現場電磁干擾非常嚴重，為此我們將需要測量的模擬信號就近轉換為頻率脈沖后再傳送到控制核心；採用浮地接入方式消除槽電壓信號中的共模成分；設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾；用最小二乘法進行曲線擬和以降低測量的系統誤差。
  8. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容： ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程；以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解，對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎； ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論，並對衛星移動通信通道建模的研究工作提出了一定的看法； ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤；並從接收信號功率的角度出發，通過理論推導及模擬曲線擬合重新證明了在鄉村環境下，這兩個模型的確是具有等同性的；從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時，可以只採用corazza模型來對實際的通道進行建模，這樣可以避免重復的建模工作並提高研究工作的效率和準確性； ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果，保證了該模型在硬體實現時的可靠性和可行性，從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。
  9. Nowadays, our company provides all types of deck cranes, life - saving launching appliances, mooring winch, ca - rgo winch, emergency towing and hatch covers

    目前，我公司主要生產各種規格型號的船用起重機、救生艇/筏降落裝置、系泊絞車、起貨絞車、應急拖帶、船舶艙口蓋。
  10. For wireless communications, direct sequence code division multiple access ( ds - cdma ) techniques have received a great deal of attention due to the expectation of capacity increase, interference rejection capability, security, and so on. in a high data rate application such as multimedia services, however, the capacity of ds - cdma systems is limited by both the inter - chip, or inter - symbol interference

    Cdma技術以其高抗干擾能力、高容量、高保密性等技術優勢在第三代移動通信系統中被廣泛應用，然而在高速數據業務中，嚴重的碼間干擾和符號間干擾會導致系統性能明顯下降。
  11. The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved

    分析了采樣和重構的數學模型，得出了一個重要結論:過采樣可以減少d / a輸出信號的高頻端衰減失真，可以降低低通濾波器的設計難度，從而提高波形質量。
  12. This dissertation is different from traditional speech enhancement methods which are based on noise characteristic such as adaptive noise cancellation or spectral subtraction processing. in this dissertation the speech signal conducted by bone was taken as the object to be studied and the exploitive study on the acoustical characteristic of speech signal conducted by bone was performed by the method of theory combined with experiment. then a proposition about speech reconstruction based on speech signal conducted by bone was presented, and the design of software and hardware was completed

    本文與傳統的基於噪聲特性的自適應噪聲抵消法、頻譜減法等語音增強降噪技術不同，是以骨導語言為研究對象，採用理論與實驗相結合的方法對骨導信號的聲學特性進行了探索性研究，進而提出了基於骨導信號的語音重構技術，並完成了相應的軟硬體開發。
  13. Direct modulator converts baseband signal to rf signal without upconvertion. the system design is relatively simple compared to upconversion. so direct modulator provides adventages of compact size, low cost and low spurious response

    直接調制將基帶信號直接轉換為射頻信號，不需要二次頻率變換，與上變頻方式相比系統結構簡單，降低了對濾波器的要求，具有體積小，重量輕，成本低等明顯的優點。
  14. Analyze, design and simulate the digital down - convert frequency. first, the analogue if signal is converted to digital if signal in one a / d convertor which used passband sampling theory. the digital if signal is then passed to a pair of digital mixers operating in phase quadrature for mixing the if signal to baseband signal

    首先利用帶通采樣定理對中頻模擬信號進行a / d變換后將其混頻到基帶，然後用平方根升餘弦滾降濾波器同時完成低通濾波和匹配濾波雙重作用，以提高解調器的效率。
  15. The causes for the deterioration of the constitution of teenagers are as follows : bad dietary habit in modern life style, " staticized " life, students being overloaded with examination orientated education and homework, lacks in scholastic physical education, including too few funds and the serious lack of sports playgrounds, equipment and facilities, physical education courses being gradually " vacuumed ", and extracurricular physical exercising becoming merely a slogan

    現代化的生活方式不良的飲食習慣， 「靜態化」的生活；應試教育，學生課業負擔過重；學校體育的缺位包括經費少，運動場地、器材設施嚴重醫乏，體育課逐漸「空殼化」 ，課外體育鍛煉僅僅成為口號等都是造成體質下降的原因。
  16. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    提出用陣列信號源的估計來判斷激光檢測系統硬體性能；用接收信號波達角的估計得出陣列信號最佳權向量；用權向量的加權求和獲取期望信號的最大輸出功率，同時基於davidl . donoho軟閾值理論，進行多層小波降噪，重構原始路面信號。
  17. But when the bit rate is above 1 mbps, the signal suffers frequency select fading, which causes the serious intersymbol interference ( isi ). increasing the system power can ’ t reduce the ber

    但是當碼速率提高到1mbps以上時，信號受到頻率選擇性衰落，碼間干擾嚴重，增大系統功率也不能降低系統誤碼率。
  18. However, it would lower the crossing capacity, and improper setting of interval duration might cause serious traffic conflict

    由於綠燈間隔時間增長，交通信號倒計時裝置降低了交叉口的通行能力，且不當的綠間隔設置還會造成嚴重的交通沖突。
  19. This paper discusses the methods of the sensor fault detection and signal reconfiguration using associated neural networks

    摘要本文提出一種基於聯合神經網路的傳感器故降診斷和信號重構的方法。
  20. The cpld can offer its particular functions. for example, reducing the number of components and devices, making the layout board convenience and simple, decreasing the device ' s volume. it is propitious to make portable oscilloscope

    選用一般的a / d轉換器和up控制器即能實現對高頻率的重復信號進行測量，大大降低了成本和外圍電路復雜程度和設備體積，有利於製作便攜式示波器。
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