signal mode 中文意思是什麼

signal mode 解釋
信號模
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • mode : n 1 法,樣,方法,方式。2 模,型;樣式,體裁,款式;習慣。3 風尚;〈the mode〉流行,時髦。4 【語...
  1. As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters

    這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。
  2. Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring

    第四,根據對流量測量問題分析的,深入研究了設計過程中需要解決的主要問題。如內阻分析與測量;勵磁頻率的選擇;穩定信號基準點與抑制共模干擾;串模干擾與工頻干擾抑制;流量信號傳輸與屏蔽;恆流勵磁與磁場補償;流量測量點的選擇等。
  3. 3. based on analyzing the affection on coding performance of two operating modes in h. 264 nal layer, such as data partition mode ( dpm ) and signal slice mode ( ssm ), an adaptive channel uep scheme ( acuep ) for h. 264 video stream was proposed

    在研究了h . 264編碼視頻流在nal層下的兩種工作模式對編碼性能影響的基礎上,提出了一種h . 264編碼視頻流通道自適應非平等誤碼保護方案( acuep ) 。
  4. In allusion to the working characteristics and technical difficulties of 155mb / s burst mode receiver, we have put forward to the quick synchronization of inpouring phase locked loops ( pll ). for receiving burst signal, we introduce the scheme of dc coupling and dynamic threshold decision

    針對155mb s突發式收發模塊的工作特點和技術難點,我們提出了注入鎖相環法的快速同步技術;對于突發式信號的接收,我們採用了直流耦合和動態閾值判決的技術方案。
  5. Furthermore, in order to supplement multi - object tt & c capability of new generation space tt & c system, gmsk modulation is recommended by ccsds because of its preferable frequency speciality and miscode performance. the thesis analyzed characteristic and demodulation realized of gmsk signal. attempting to design a universal multi - mode demodulator of bpsk, qpsk and gmsk, the thesis studied

    本文分析了gmsk信號的特點及解調實現,試圖設計一種bpsk 、 qpsk 、 gmsk通用的多模式解調器,因而研究了調制識別技術,分析了以決策論為基礎的三種信號的調制識別方法,並提出了基於人工神經網路的調制識別方法。
  6. The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode

    現場總線技術的發展使得lonworks技術脫穎而出,本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響,對lonworks技術的技術核心:神經元晶元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述;重點介紹了集先進的計算機技術、通信技術、控制技術為一體的智能小區安防節點的開發與研製,對節點硬體電路的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序,主要負責對各種現場信號進行採集、處理及控制,工作在并行從a方式下的神經元晶元mc3150作為從處理器,主要完成與現場網路上的各節點及中心控制室之間的通信工作。
  7. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。
  8. Digital image processing consume a large amount of memory and time commonly. basing on the advantage of fpga, the paper design harware module by hdl ( hardware language ), i. e., some function is achieved by les ( logic element ) of the fpga. the real - time of digital image processing is achieved by this. the sample and display of digital image is the important part. so, the paper mainly design the sample and desplay module. the sample card is designed and it ’ s word mode is configured according china ’ s cvbs ( composite video bar signal ). for acquiring the image and storing it correctly to sram, the paper design the sample - control module. the sample module can work correctly using least time. the reliability and real - time achieve the reference. according the vga principle and scheduling of the ths8134, the paper design a vga - control module by hdl. firstly, the control signal is synthesized secondly, the horirontal and vertical synchronization signals is synthesized according to the vga interface standard

    圖像處理的特點是處理的數據量大,處理非常耗時,為實現數字圖像的實時處理,本文研究了在fpga上用硬體描述語言實現功能模塊的方法,通過功能模塊的硬體化,解決了視頻圖像處理的速度問題。圖像數據的正確採集和顯示輸出是其中的兩個重要的模塊,因此,本文主要完成了圖像數據的採集和顯示輸出的設計。本文設計了採集卡,並要對其工作模式進行了配置和編寫了採集控制模塊,在採集控制模塊的控制下,將數字圖像數據正確無誤的存儲到了sram中。
  9. Study on signal coding mode of twacs

    工頻通信系統通道編碼的研究
  10. In this mode 0 - 20 khz musical signals can be compression encoded. for example, it can use 32 kbits signals to compression encode 0 - 15 khz musical signals and compress stereosonic signals into 56 kbits signals. thus it can use a 64 kbits signal to provide stereosonic music of fm radio broadcasting or cds

    用該方式可將0 ~ 20khz的音樂信號進行壓縮編碼,例如,它可用32kbits的速率的信號對0 ~ 15khz的音樂信號進行壓縮編碼,可把立體聲信號壓縮成56kbits速率的信號,因而可用一個64kbits的信號提供調頻無線電廣播或相同於cd音質如身臨其境的立體聲音樂。
  11. Since the echo signals are partly received, this radar system has detected the target adopting the processing mode of blocking echo signal before and after, and the problems of the isolation between transmitter and receiver and blind range are solved

    該體制雷達採用前後截斷回波信號處理方式,當接收部分回波信號后就對目標進行檢測,解決了收發隔離和盲距問題。
  12. When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt

    上電復位后,晶元處于接收狀態,工作在突發模式下,採用dpsk調制方式,將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調,通過中斷將解調完的基帶信號送入單片機處理;處于發送狀態時,可將數據擴頻、調制,經ad9768送出。
  13. The voice recording instrument adopts 8bit pcm and 4bit adpcm voice coding and decoding mode, can record the eight - channel voice signal simultaneously. it can save the recorded data in the flash memory or in the pc through the ethernet. the recorded voice signal data also can be played back

    該語音記錄儀採用8位pcm或4位adpcm語音編解碼方式工作,可實現8路音頻輸入信號同時錄音;能夠將錄制的數字語音數據存儲在nand型flash中或通過以太網介面上傳到pc機存儲;能夠將錄制的數字語音數據進行回放。
  14. Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis

    摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解,從而得到若干個基本模式分量,對每個模式分量進行了頻譜分析。
  15. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型;設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案;對電機採用何種驅動方式進行了對比分析;對驅動電路進行了元器件選型、原理圖設計、制板及調試;有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊;設計了以dsp為核心的控制電路原理圖;以模塊化的軟體編程思想編制了電機控制軟體;通過tms320lf2407目標板、上位機、驅動板及電機的聯調,證明了系統可行。
  16. A chirp scaling algorithm for airborne bistatic sar is proposed, which is suitable for the flight configuration that transmitter and receiver follow parallel path with equal velocity in broadside looking mode. airborne bistatic sar echoed signal model of this particular flightpaths is derived. the model is converted into the range doppler space and is mapped from double range variables to single range variable domain

    本文建立了這種特殊飛行模式下雙基地sar的回波信號模型,推導了它在距離多普勒域的表達式,解決了信號模型從雙距離變量域向單距離變量域轉化的問題,並推導了cs因子的線性近似表達式,分析了演算法中各種近似造成的誤差。
  17. In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave

    第二種方法將小波變換與模式變換理論結合起來,採用的是暫態行波信號,首先將三相信號轉換成模式分量,零模分量的小波變換系數用於判別故障的大致位置,然後利用線模分量的小波變換系數來確定行波到達時間。
  18. The equivalent circuits is synthesized for the case where the te10 mode is the only propagating waveguide mode, which based on basic waveguide - circuits equivalent circuits such as cross - coupled coaxial line rectangular waveguide junctions, rectangular waveguide transmission lines etc. then we make the computation program for the equivalent circuits to analyse and optimize the vco circuit, and get the each parameter ' s influences on vco output signal

    本文從波導電路的等效電路出發,綜合出3mmvco基波工作時只考慮te10模的等效電路,依據此編製程序完成了振蕩器電路的分析優化,得出了電路中各個參數對振蕩器頻率溫度穩定度性能的影響。
  19. Specification of suitable urban road traffic signal control mode

    城市道路交通信號控制方式適用規范
  20. Operator on prpd mode of pd signal, mode - classifying implements based on bpnn and sart are compiled. the artificial neural networks designed are applied to recognize measured signals. conclusions are made : recognition rate of bpnn is 95 %, and it is respect to magnitude of discharging signal and increases while signal magnitude increasing ; the recognition rate of sart neural network is 98 %, higher than that of bpnn, recognition rate increasing with the number of signal group

    論文用設計的人工網路模式識別程序識別測量信號:以prpd信號模式的放電次數為輸入時, bp網路識別率為88 ,識別率和發生局放的強弱程度有關,局放信號越強,識別率越高;以prpd信號模式的統計運算元為輸入時, bp網路識別率為95 ;以prpd信號模式的統計運算元為輸入時, sart網路識別率為98 ,識別率隨著樣本量的增加而提高。
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