signal interval 中文意思是什麼
signal interval
解釋
信號時間間隔-
Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成，根據各部件的介面類型連接模型庫中的部件，建立了單缸發動機非線性模型，在此基礎上，依據發動機實際發火間隔和順序，建立了面向控制的四缸汽油機模型，並以測功器為負載，通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究，模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。 -
3. passive and active time - domain demodulation schemes were demonstrated based on a fiber bragg grating used as a tunable filter controlled by a piezoelectric stack, which was driven by an electrical sine wave signal. the measured strain applied on the sensor axially could be judged by observing the interval of the output between notches within a driving period in time - domain
利用匹配濾波技術，分別採用無源和有源方式，藉助受pzt驅動的解調光柵，將待測應變信息變為時序負脈沖間隔的變化，利用常規的示波器觀測同一掃描周期中兩負脈沖在時域中間隔的變化來確定待測應變的變化。 -
On the basis of time interval calculate formula which has been deduced, this paper offers the recommended length of digital signal orbital circuit in the condition of the minimal of the time interval
本文在推導出列車安全間隔時間計算公式的基礎上，提出了基於最小列車安全間隔時間的數字軌道電路長度的推薦值。 -
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。 -
This paper also analyses the affect of signal leaking using the concept of poynting, and puts forward a formula to describe the connection of antenna interval and test precision from theoretics
利用求解波印亭矢量的方法，推導了由於陣面輻射單元信號泄漏所帶來的試驗誤差公式，進而從理論上分析了輻射單元間距對試驗精度的影響。 -
Specifically, this thesis includes the following work : the basic theory of speech processing and noise in speech reduce. we study the short interval character of speech signal and short interval process technology, and classify the noise and disturbance in wireless receiver terminal into 3 categories and present corresponding schemes
本文針對高質量無線語音傳輸的需求，對語音處理及語音降噪的基礎理論、關鍵技術及降噪設備的實現方法展開研究，在此基礎上設計實現了無線語音通信降噪器實驗系統，並對實驗系統的降噪效果進行了測試。 -
So, the timing signal should be set cautiously with the aid of other measures such as adjusting the interval duration, propaganda of traffic safety and rules
因而應謹慎採用機動車交通信號燈倒計時裝置，並應輔以綠燈間隔時間調整、交通安全宣傳教育和明確交通規則等措施。 -
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。 -
Mr images revealed increased signal in basal ganglia, which worsened over the two month time interval between images
磁共振影像顯示基底節增強的信號，在間隔2個月後的影像上可以看到病變進一步惡化。 -
Vits vertical interval test signal
場消隱期測試信號 -
Harmonic analysis can be produced in as little as 10 milliseconds, or measurements may be integrated over more than a day. the user may set any measurement interval, perform synchronous averaging on harmonics, and even perform full spectrum analysis to detect non - harmonic signal content. the system s main processor controls all display, data storage and i o functions, thus allowing each channel to perform its analysis at maximum speed
在每通道雙數字信號處理器結構中，結果形成超快速諧波分析，諧波分析可於至10毫秒產生，或可綜合測量超過一天，用戶可設定任何測量區間，執行諧波同步平均，及進行全頻譜分析從而探測非諧波信號內容，系統的主微處理器控制全部顯示數據儲存與i 0功能，故使各通道可於最高的速度下進行分析 -
Based on the character of short - time non - stationary random signal, the feature of energy distribution of multi - interval - time in millisecond blast signals was investigated by means of the wavelet packet method
摘要根據爆破振動信號具有短時非平穩的特點，利用小波包分析技術對滿足分析要求的多段微差爆破振動信號的能量分佈特徵進行研究。 -
Based on the coherent reception theory of radio signals and the theory of digital signal processing, the effects of carrier frequency offset, sampling clock offset, and symbol timing offset on ofdm signals are exploited. a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation, frequency - domain frequency offset, sampling offset, and symbol timing offset estimation
以無線信號的相干接收和數字信號處理理論為基礎，就載波頻偏、采樣鐘偏差和符號定時偏差對ofdm信號的影響進行了分析，對基於保護間隔的符號定時與載波頻偏估計演算法和多種現有頻偏、采樣鐘與符號定時偏差的頻域估計演算法進行了研究，提出了一系列改進措施與新演算法。 -
It belongs to multi - carriers modulating technology, and its most remarkable character is the high - speed transmitting ability as well as the excellent resistibility to interface of signal interval and decline of channel selectivity
它屬于多載波調制技術，其最大的特點是傳輸速率高，對碼間干擾和通道選擇性衰落具有很強的抵抗能力。 -
Comparing with the image watermarking, the audio watermarking have a few characteristics : 1. comparing with the visual media, audio frequency signal has less sampling points at every time interval. 2. owing to human audition systems, it is more sensitive than human vision systems, therefore, it is more trouble to realize the imperceptibility of audition compared to the vision systems. 3. to stick up to the cut attack, embedded watermark should keep synchronization. 4. because of the bigger memory payload of audio frequency signal, the initial audio frequency signal must be removed during the extract in order to protect the maneuverability of project
數字水印技術是近幾年來學術界興起的一個前沿研究領域，提高演算法的魯棒性、安全性、實用性是數字水印的研究方向。本文提出的基於可視密碼術的小波域下量化系數的魯棒性音頻數字水印方案，其優點在於利用小波變換的多解析度特性在保證水印魯棒性的同時使水印對原始音頻信號的影響達到最小，採用量化系數的方法嵌入水印信息實現了盲水印，提高水印的工程應用價值。 -
Signal change interval
號志轉換時段 -
In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信號處理部分是本文研究的關鍵，採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎，其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數，並提供計數量化誤差測量電路相應的時序和控制信號，用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量，保證了系統的解析度。 -
When digit signal orbital circuit is adopted in the equipment, which is used to transmit train - to - wayside information and location train position, the length of digital signal orbital circuit should be the minimal measure unit of distance interval between trains
摘要採用數字軌道電路作?車地信息傳輸設備及列車定位設備時，列車之間的安全間隔距離必須以數字軌道電路的長度作?最小計量單位。 -
The influences of the signal - to - noise ratio and the integration limit on reverberation times evaluation are weakened, and a minimum statistical standard deviation and 95 % probability confidence interval are obtained
同時，對比現有其他方法在統計上有最小的估值標準差，其均值的95 %概率置信區間也最小，有效地提高了混響時間的估值精度。 -
Fourth, directing against the characteristic of gear wheel vibration, have recommended drawing a certain signal with interval frequency in the signal, suppressed or decayed some signals with interval frequency in the signal, predicted the development trend of the signal, such contents as similar of analyzing the signal. such also offer the effective analysis means for the thing that the vibration signal of the gear wheel will be analyzed and researched in the future
第四，針對齒輪振動信號本身的特點，介紹了提取信號中某一頻率區間的信號、對信號中某些頻率區間的信號進行抑制或衰減、預測信號的發展趨勢、分析信號的自相似性等內容，為今後齒輪振動信號分析研究提供有效的分析手段。
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