band pattern 中文意思是什麼
band pattern
解釋
帶型-
The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。 -
Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合 -
Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源，致力打造「移動谷」 ，創造中國浙江經濟特有的專業版塊模式：從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb （電路板） 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發，形成完整的通信產業鏈。 -
For bowtie antennas, this method can produce a better return loss in the higher frequency band than the original ones, and at the same time, the radiation pattern bandwidths of the new antennas can be broadened more or less
對蝴蝶結天線而言，應用這種方法得到的蝴蝶結天線在高頻段比原天線具有更好的反射損耗，天線的方向圖帶寬有不同程度的擴展。 -
Anqing diamond is well - equipped with alloy cast iron production line, ductile cast iron production line, stall band oil rings line and surface treatment line. our company has compound chrome plating, gas nit riding, salt nit riding, ceramics penetration, nana - meter technique, plasma spraying etc., advanced surface treatment and equipment. it is also equipped with light score analyzer, outline analyzer, pattern analyzer, metallograplry analyzer etc., and japanese germany examine instrument and technique
帝邁德公司裝備精良，現有高合金鑄鐵球墨鑄鐵毛坯鑄造和加工生產線，鋼帶組合油環生產線，表面處理生產線，車柴環生產線，擁有復合鍍氣體氮化鹽浴氮化滲陶納米技術噴鉬等高新表面處理裝備及技術，配備光譜分析儀輪廓儀投影儀金相分析儀等先進的德日檢測儀器和檢測設備。 -
We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone
摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數，包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等，提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法，並用實例說明了該方法的應用效果。 -
Band knife cutting machine is a primary device equipment in garment and knitting etc industries. it could accurately cut the pattern offabrics
帶狀式裁剪機是各制衣、針織等行業的主要裁剪設備，可精確地裁剪彎曲度大的裁片。 -
Other than the short - term interbank interest rates being largely somewhere between the retail deposit rates for example the savings rate and the best lending rate, its precise position within that band, or rather how the band moves along the interbank rates, has not exhibited a defining pattern
短期同業拆息一般處于零售存款利率如儲蓄存款利率及最優惠貸款利率之間，但除此以外，有關短期同業拆息實際上在這個范圍的哪個位置，又或者這個范圍怎樣隨同業拆息變動，並沒有一定的模式。 -
The noise signal of passing vehicles is gathered with microphone array, and processed off line with the method of wide - band array signal processing, then the estimation of vehicle numbers can be transformed into the estimation of signal source numbers, up and down of the vehicle can be transformed into doa estimation of array signal processing. at the same time, vehicle types are classified using pca method of the pattern recognition based on vehicle noise, and some primarily study is done for vehicle recognition. at last, the result of the experiment proves this method is feasible
對麥克風陣列所採集的車輛行駛時的聲音信號，運用寬帶陣列信號處理的方法進行離線處理，並將車輛個數的估計轉化為陣列信號處理中信號源個數的估計，將車輛上下行的估計轉化為陣列信號處理中波達方向變化的估計，進而較準確地估計出了車輛的個數與行車方向；同時對所採集的車輛聲音信號應用模式識別中的主分量分析法實現了車輛的簡單分類，為實現車型識別作了一些初步的探索。 -
The technology of digital beamforming ( dbf ) can dramatically increase array antenna performances. these performances include fast adaptive pattern nulling, ultra - low sidelobes, closely spaced multiple beams, adaptive space - time processing, high resolution direction fiding ( df ) and increased capacity for band - limited communications systems
數字波束形成（ dbf ）技術可顯著提高陣列天線的性能，這些性能包括：快速自適應波束置零、超低副瓣、密集多波束、自適應空時處理、高分辨測向和大容量有限帶寬通信等等。 -
By the eye diagram pattern, we have researched the ideal channel ' s respond - nyquist pulse, and have got its eye diagram model. based on this, a type of base - band codes called ijf codes have been derived
並由此導出一種沒有碼間干擾和定時抖動的基帶信號碼型，稱為ijf （ intersymbol - interferenceandjirterfree ）信碼。 -
The most main characteristic of electronic warfare is that it has the wide frequency band, a great deal of signal type, moreover, the work pattern is passive
電子戰的最主要的特點是頻段寬，待處理的信號種類多，而且是處于被動接收的條件下工作。 -
By analyzing customer demand and the characteristics of c / s architecture and b / s architecture, one kind of pdm architecture model is proposed. on one band, b / s applies in selection, browser, services with little interactive which place is dispersed ; on the other hand, to all kind of technical information transparent evoking, edition, processing, output uses c / s pattern
本文還通過分析c / s體系結構和b / s體系結構的特點及其客戶的需求，提出了一種基於c / s和b / s混合體系結構的pdm體系結構模型，一方面對各類技術信息透明的地調用、編輯、處理、輸出等功能採用c / s模式;另一方面以查詢、瀏覽、地理位置分散、交互較少的服務為主體的應用採用b / s模式。 -
The correspondent pattern of voip, and instant messages have an increasing influence gradually on the fixed net service. along with the rapid development of internet in recent years, the wide band service, especially for family use, appeared a giant market space in particular. it becomes the emerging service to have the extremely potential power
本文的研究將對吉林省電信公司下一階段光纖寬帶業務的市場營銷具有很強的指導意義，同時，通過本文的研究，為企業樹立以客戶為核心的市場經營理念和實現從只關注產品到關注客戶體驗的營銷觀念轉變提供了實踐經驗。
分享友人