data signal rate 中文意思是什麼

data signal rate 解釋
數據信號傳輸速率
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • 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...
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  2. At the receiving end, a inverse process is performed. the system receives low rate data and the fpga reorganizes a frame of data which is decoded by the compression chip every 20 ms. the obtained pcm signal is performed d / a to restore the analog speech signal

    在收端進行相反的過程，接收低碼率數據，並由fpga重新組幀，送至主晶元解碼得到pcm信號，再作d / a變換，恢復出模擬語音，系統是全雙工的。
  3. Following the rapid increase of the data transmission rate of optical fiber communication, the time slot confined by the time interval of the two successive signals is greatly shortened. under this circumstance, the effect of the fabry - perot filter to a short pulse signal may affect the following short pulse signals

    隨著通信速率的提高，相鄰的信號間的間隔越來越小，法布里-珀羅濾波器對某個信號的作用有可能影響下一個信號，因此研究法布里-珀羅濾波器對超短光脈沖的影響有著非常重要的意義。
  4. We have imported some state - of - the - art equipments such as : high - frequency vibroseis and multi - level geophones for field data acquisition. by doing so, we have acquired high - quality seismic data with high sample rate, high signal to noise ratio and high frequency content

    在採集上，引進國外高頻可控震源，多級檢波器等主要設備，得到高采樣率、高信噪比、高解析度的高品質資料。
  5. General speaking, the large number of signal types to be digitalized has led to a diverse selection of data converters in term of architectures used, bits of resolution achieved and sampling rate employed

    一般而言，大量需要數字化的信號要求有各種不同結構、不同解析度、不同采樣率的a d數據轉換器來實現。在比較了各種模數轉換器的結構和優缺點之後，本項目決定採用流水線式（ pipelined ）的電壓型結構。
  6. The experiment data from horizontal gas - liquid flow on 20mm and 25mm diameter pipes proved that separate phase flow - rate can be measured from differential pressure signal

    Dn20和dn25水平管氣液兩相流實驗數據表明，利用差壓波動信號進行兩相流分相流量的測量是可行的。
  7. In the subsystem of signal processing, digital sidelobe cancell block, digital pulse compress block, adaptive clutter canceller block, doppler filter and constant false alarm rate block are respectively discussed and set up. in signal processing, data in the same coherent processing interval form a matrix, and the data processing was completed based on the matrix. data are processed with the row vector or column vector respectively when needed

    在信號處理分系統中，將脈沖壓縮得到的數據在各個相干處理區間進行處理，將一個相干處理區間的數據按照不同的脈沖重復周期和不同的距離單元排列成一個矩陣，當需要實現數字脈沖壓縮時對矩陣的各行（同一個脈沖重復周期的數據）進行處理，當需要實現多普勒濾波時，就對矩陣的各列（同一個距離單元的數據）進行處理。
  8. The system is able to complete the data sample of 32 signals input, and has the ability to sample simultaneously of per 4 signal inputs. the conversion is 8 bits, and the sample rate of per channel is not less than 400hz. in addition, this data conversion system also have the ability of data storage without power supply, and the data size in flash memory is amount to sample 5s " of 32 signal inputs

    整個採集系統完成對32路輸入信號的采樣，而且可對每4信號路進行同步采樣， ad轉換精度為8位，每路信號采樣率不低於400hz ，另外系統還具備斷電數據保存功能，採用flash存儲器保存5秒的采樣數據，同時也具備與計算饑的epp并行通信介面。
  9. According to electric & magnetic and circuit analysis theory, monocable transmission characteristics is analysed. on this basis, the transmission characteristics of the monocable in use is analysed and caculated. monocable is thousands meter long, electrical signal transmission along monocable shows long line transmission characteristics. monocable characteristics analysis is helpful to monocable telemetry system design, such as data transmission rate selection, circuit design, etc

    生產測井中應用的單芯電纜是地面系統和井下數據採集傳輸系統間的數據傳輸通道。它長約幾千米，屬長線傳輸。對它的特性分析可以對傳輸系統的設計提供理論指導，如數據傳輸速率的選取、電路設計等。
  10. We reconstructed the phase space and calculated the nonlinear parameters such as correlation dimension, the largest lyapunov exponent, approximate entropy, and l - z complexity of the data. it can be conclud from the results that the reconstruction of heart beat rate signal is strange, its correlation dimension is between 5 to 7 and have the character of fractal dimension, its largest lyapunov exponent is larger than zero, its approximate entropy and l - z complexity are obviously differ from noise. we can draw a conclusion from all above : the heart beat rate signal is n ' t simple noise, it is high dimensional chaos obeys certain dynamical law

    我們還對信號進行了相空間重構，計算了信號的關聯維數、最大lyapunov指數、近似熵和復雜度這幾個非線性特徵量，我們發現，心率信號的吸引子是奇怪吸引子，關聯維數介於5到7之間，具有分維的特徵，其最大lyapunov指數大於0 ，其近似熵值和復雜度值明顯區別于噪聲，這說明心率信號不是隨機噪聲，它是服從確定性動力學規律的高維混沌信號。
  11. In this paper, three method are proposed. the two among them are that the higher information transmission data rate will be given in the increasement of the signal transmitted power, and another is got through the compression of video signal data rate

    論文提出了三種方法，即兩種通過信號功率增加使信息傳輸速率提高的方法和一種壓縮視頻帶寬提高數據傳輸速率的方法。
  12. Traditional design ways already ca n ' t give a reliable solution for these systems, especially when ddr ( double data rate ) memories come into fact. high - end designers must pay special attention to the signal integrity problems

    尤其是隨著ddr （ doubledatarate ）存儲器等高速器件的誕生，傳統的電路設計方法已經無法保證系統的可靠性，信號完整性分析已經成為高級電子設計人員非常關心的問題。
  13. Therefore, all - optical network effectively overcomes the electronic bottleneck introduced by complicated digital cross connection equipments, accomplishes fast bit rate, great capacity and good service quality communication, and possesses the transparency for bit rate, data format and modulation means of signal

    因此，全光網路有效地克服了復雜的電數字交叉互連設備的「電子瓶頸」 ，實現高速率、大容量、高質量通信，並且對信號速率、數據格式和調制方式透明。
  14. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天線進行數據傳輸的多輸入多輸出（ mimo ）技術，可以在不增加帶寬和天線發送功率的條件下，成倍的提高頻譜利用率，提高系統的通道容量，還可以抗多徑干擾。第三代移動通信wcdma即將到來，為了將多天線技術（ mimo ） ，空間分集技術，空時編碼技術用到wcdma系統中去，為第三代移動通信向第四代移動通信系統平穩過渡奠定一定的基礎，需要做一些理論上的研究。
  15. The major challenges of real - time implementation with digital signal processing techniques lie in the algorithm complexity and high data rate of radar

    由於演算法本身的復雜度和雷達數據的高速率，方位向處理的實時實現具有很大的挑戰性。
  16. The technology of very low bit rate for hf ( high frequency ) communication means that, one technology of ecm ( electronic counter measures ) resistant communication is developed for low bit data message exchange in the time of battle which data communication is destroyed by electronic disturber. it is regarded by armies in the battle of information, because that it can overcome the very low snr ( signal noise ratio ), very high narrow - band interference and multipath with maxium delay of fifty millisecond

    短波最低限度通信技術是在戰時強電磁干擾情況下能實現保證最低限度的數據報通信的一種抗干擾通信技術。由於其能有效的克服極低信噪比、較強的窄帶干擾和幾十毫秒的多徑，在信息戰中受到各軍高度重視。
  17. And other ions in oscillographic chronopotentiometric determination. compared with rpnn and wnn, combination of the wavelet transform and neural network for ocpd has higher prediction accuracy and less convergence epoch. this can be explained from two aspects. firstly, the network operation rate has been greatly enhanced because the optimal detail signal obtained after the wavelet transform not only is the characteristic information in original signal, but also has less number of data points than that of original signal. secondly, the higher prediction accuracy can be obtained because detail signal used as network input contains lower noise. as a result, the potential application of cwtnn for ocpd and other electroanalytical methods will be very excellent

    這一方面是因為使用經小波壓縮后的信號作為神經網路的輸入，壓縮后的信號不僅提取了原信號中的特徵信息，而且使網路輸入的數據點數大幅度下降，大大提高了網路的運算速度。另一方面，由於選用了較高次分解所得的高頻部分作為網路輸入，從而即使在原始信號中含有較高的嗓音時也能獲得較高的預測準確度。因此，將具有壓縮功能的小波變換與神經網路相結合的方法必將得到廣泛的應用。
  18. The signal bandwidth can be changed by controlling the signal bandwidtt through the control of the rate of reading data

    通過控制器讀取數據的速率來控制信號帶寬，達到信號帶寬可調的目的。
  19. This paper makes out the sampling frequency of bandpass sampling theorem, reduces the data rate after the sampling of broadband software radio ( signal bandwidth is 20 mhz ) and raises information processing speed

    本文確定了按帶通采樣定理采樣的頻率，降低了寬帶軟體無線電（信號帶寬為20mhz ）采樣后的數據率，提高了信息處理能力。
  20. Electrical characteristics for an unbalance digital interface for data signal rate up to 512 kbit s

    最大至512 kbit s的數據信號率的失衡數字介面的電氣特性
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