波形括號 的英文怎麼說
中文拼音 [bōxíngkuòháo]
波形括號
英文
curly brackets- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 括 : 括動詞1. (扎; 束) draw together (muscles, etc. ); contract2. (包括) include
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 波形 : [物理學] wave form; shape; wave pattern; wave profile
- 括號 : brackets; parentheses; a sign of aggregation
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The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。The part that is enclosed in curly braces is the escape syntax for stored procedures
波形括號中括住的部分是存儲過程的轉義語法。This waveform library not only contains those typical radar signals like single - carrier frequency signal, encoded signal, lfm etc, but also include many hybrid modulated signals, like fsk / psk signal, fsk / ppm signal, psk / ppm signal, pseudo - random fsk / psk signal, etc. we use visual c + + 6. 0 to implement this software program, this makes it easy in control operation and provides a nice human - machine interactive interface
波形庫中既包含了傳統的雷達波形,如單載頻脈沖信號、 lfm 、編碼信號等,又包括了復合調制波形,如fsk / psk信號、 fsk / ppm信號、 psk / ppm信號、偽隨機fsk / psk信號等。採用vc編程實現,使其具有友好的人機界面和靈活的控制操作。The circuits which signals transit in, including amplifying circuit, filter circuit, export circuit, etc were placed in the same chapter
信號通路中包括信號發生放大電路、濾波電路、整形電路和輸出電路。The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard
我們的研究和改進工作包括:研究最優非均勻自適應量化器,及其自適應演算法;研究波形預測函數,以及函數零點、極點的自適應演算法;基於每n ( n 1 )個樣本所對應符號的概率統計,對預測殘差量化值再進行huffman編碼,進一步降低比特率。The general signal sources represented by arbitrary waveform generator ( awg ) have become the most popular instruments in modern testing domains. awg can not only generate conventional waves such as sine wave, triangle wave, square wave, etc, but also generate unconventional waves such as linear frequency modulation wave, phrase modulation wave, amplitude modulation wave etc, the most important, it can create arbitrary wave
由於它可產生包括各種理想及非理想的波形信號,不但可以產生純凈的正弦波、方波、三角波等常規波形,而且可以產生線性調頻、調相、調幅信號以及程式控制占空比的低占空比方波,更為重要的是,能夠根據用戶測試需求生成任意波形。In the computer - testing system of current signal measurement of current - source in synthetic circuit, the following contents are included, such as voltage - frequency converting technique, optical fibre isolating and transmitting technique, singlechip testing and controlling, plotting and printing of sampled data on pc ( personal computer )
電流源電流信號的計算機測試系統包括傳感元件部分、壓頻轉換部分、光纖隔離傳輸部分、單片機測控部分以及pc機對採集數據的波形繪制與列印部分。The main work is given as follows : the stepped - frequency waveform synthesizing the wideband signal, the synthetic range profile ( srp ) by ifft, the range resolution of stepped - frequency waveform, the effect of the radial velocity on the srp, the radial velocity compensation, ambiguity function, waveform design and stepped frequency sar imaging and so on
包括:頻率步進波形合成超寬帶信號分析, ifft方法獲得目標一維距離像與距離解析度分析,徑向速度對目標距離像的影響、速度補償、頻率步進信號的模糊函數分析,以及頻率步進波形照射下的合成孔徑雷達成像、波形設計與系統設計。The practical methods of signal pre - processing ( anti - disturbance filtering, data smoothing ) and character extraction ( differential limitation, absolute peak value, peak - to - peak value, area of wave and self - adaptive threshold adjustment ) are introduced
並介紹了一些實用的信號處理和特徵提取演算法,包括可以實時運算的用於抑制干擾的濾波器和數據平滑演算法及用於定量分析的差分超限數、絕對峰值、峰-峰值、波形下面積和自適應門限調整等演算法及其應用。The technology of research include following. the computer order control to attain testing condition of relay ' s turn - on and off. to control of testing ac voltage by adoption of advance control strategy
測控技術包括:實現模擬繼電器接通與分斷負載條件的順序控制技術;採用先進控制策略的試驗電壓控制技術;試驗參數檢測技術;試驗參數波形的實時顯示技術;以dsp (數字信號處理器)為核心的試驗數據高速採集技術。Parameter - tuning stochastic resonance ( psr ) is a more realistic way to handle the phenomenon of sr in a broad sense. based on the theory of psr, some key problems of using sr in signal processing are studied, these issues include : the application of intrawell sr in multi - frequency analog signal processing, recovery of the waveform distortion caused by the bistable system and other post treatments, measure of system performance with multi - frequency analog digital input and measurement of system performance of binary digital input. the results are used in signal detecting under the background of the real sea noise
隨著參數調節隨機共振( psr )概念的提出,隨機共振在信號處理中的應用有著很大拓展的空間,本文就主要研究幾個目前隨機共振在信號處理中應用時經常碰到的問題,其中包括阱內隨機共振現象對多頻模擬信號處理的應用、雙穩態系統輸出的波形畸變的消除及其他后處理、適用於多頻信號的輸出性能衡量指標、二進制數字信號輸入情況下的系統輸出的性能衡量,並將所得的結果應用到了一個自然界的噪聲? ?海洋噪聲背景下的信號檢測中,這些研究對于隨機共振理論的進一步發展及其在非線性信號處理中的應用具有重要的意義。Study and designed analog and digital impluse generator, guided by the signal integrity analysis finished the hardware pcb design of uwb transiver. finally the transmitter and receiver board has been built and got a satisfaction result. totally speaking, the thesis includes the following parts : ( 1 ) research the wave shape of the uwb communication system
以高速電路信號完整性分析為指導,採用最優結構完成了超寬帶發射機與接收機pcb電路的設計,本文的研究內容主要包括以下幾個方面: ( 1 )分析超寬帶通信系統發射機所需信號波形。Based on the analysis of stable and transient waveforms in the power system, the paper use the exponent - typed signal to describe the signals in the power system including the dc element, fundamental, harmonics, interharmonics, subharmonics and the attenuation of the dc element and the sine waveform
根據對電力系統暫、穩態信號波形的分析,本文用指數型信號來描述電力系統信號(包括直流分量、基波、諧波、間諧波、次諧波以及衰減直流分量、衰減正弦波等) 。Alternatively, you can use begin and end instead of the curly brackets if you wish
作為選擇,如果你想,你還可以用begin和end來替代這個波形括號。A gis pd measuring system is established, including a conventional pd measurement system, uhf detecting system and a pd spectrum system. we can obtain pd signal characters by this system, such as uhf transient signal waveforms, uhf demodulating signal waveforms, the pd phase angle in ac, pd spectrum, and discharge quantities
建立了gis局部放電測量系統,其中包括:常規局部放電測量系統、超高頻檢波測量系統和放電頻譜測量系統等,通過測量系統得到了gis內局部放電的超高頻暫態信號波形、檢波信號波形、工頻相位分佈、頻譜特徵以及常規視在放電量等特徵。The main research in this thesis can be summarized as follows : ( 1 ) the structure and features of tc620 turbo cycling compressor are introduced. its frequent faults, fault mechanism and diagnosis are also analyzed. ( 2 ) the vibration signal analysis based on fault analysis and processing are presented, including wave analysis, tarce analysis, frequency spectrum analysis etc. and connected signal transformation ideas are also described, which can be conducted in amplitude field, time field and frequency field according to different needs
本文主要包括以下內容: ( 1 )介紹了tc620透平循環壓縮機的結構特點,歸納總結了其常見的故障現象,分析了各類故障產生的機理和診斷方法; ( 2 )論述了基於故障分析處理的幾種常用的振動信號分析法,如波形分析、軌跡分析、頻譜分析等。On the base of hardware approach, to discuss all the theory involve in active detecting sonar system, including the selection of signal waveform, digital signal sampling, digital signal processing
以硬體為基礎,對所涉及到的理論都作論述,包括探測聲納的信號波形選擇,數字信號采樣、處理原理與方法。The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached
該系統可以兼容多種不同型號的數據採集設備,實現了振動信號的採集、數據文件的存儲、波形的實時顯示、組態表編輯、歷史數據回放與數據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、傳遞函數分析、解調分析以及時頻分析中的短時傅立葉變換等。經試驗驗證表明,系統運行穩定可靠,各項功能工作正常,數據分析結果準確、運算速度快、精度高,達到了預期設計目的。These parameters include bandwidth, carrier frequency, signal duration and signal repeat frequency. according to the parameters, we select the method direct reading the stored digital waveform to realize the waveform generation in the third part, the waveform generator system control including communication control, timing control and address generation is designed
第二部分研究了線性調頻信號參數間的內在聯系,包括信號帶寬、中心頻率、持續時間及重復頻率等,設計了信號參數,並在前人研究的基礎上選擇了波形存儲直讀法作為信號產生方案。This dissertation researches on wavelet theory applied to information transmission, including cdma spreading code design, waveform coding in digital modulation, over - saturated multi - access communication, diversity techniques for multi - path fading channels, and peak - to - average power ratio ( papr ) reducing methods for the wavelet packet modulation signals, etc.
本文以子波理論為工具,較深入地研究了通道傳輸方面的幾個問題,內容包括cdma擴展碼的設計、數字基帶波形成形技術、過飽和多址通信、克服衰落的分集技術和減小子波包調制信號的峰值功率/平均功率比值的方法等。分享友人