線性調制 的英文怎麼說
中文拼音 [xiànxìngdiàozhì]
線性調制
英文
lm linear modulation- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out
通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理( chirp - fourier變換)在應用到制導雷達信號處理中所存在的缺陷。Leech ; ap neuron ; integration ; pressure sensory ; membrane excitability ; modulation
中華寬體金線蛭ap神經元整合壓力感受膜興奮性調制The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量,以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出,用直接反饋線性化方法設計了系統的非線性控制器。The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout
工作在1mhz固定頻率,採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能,工作溫度范圍為- 40 + 85 。Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique
第二章大棕幅聽皮層對中腦下丘聽神經元頻率調諧曲線的調制科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑制性頻率調諧曲線的銳度、頻率強度反應區域、最低閾值的協同變化In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail
全文分析了線性調頻信號( lfm ) ,非線性調頻信號( nlfm )的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化,詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time
本文利用解析和數值方法研究了在具有橫向折射率周期性調制的克爾型非線性光學格子中孤子的傳輸和控制,做出了一些創新性的研究結果:首次得出了高斯光束形成格子孤子的條件和兩種穩定傳輸形式。Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper
針對大擾動情形,提出了一種用於改善多機交直流混合電力系統(有多條直流線路落點于其中)暫態穩定性的非線性調制策略。That noise fm signal emalates tv sound fm signal researchs above two question about correlative detection and restrainning sidelobe. the research ' s result is compared with linear fm emulational research ' s
用噪聲調頻信號對電視伴音調頻信號進行模擬研究上述提到的相關檢測和旁瓣抑制問題,並與線性調頻信號模擬研究相比較。The methods of range sidelobe suppression about the lfm and bc signal are discussed in detail
著重討論了線性調頻信號和二相編碼信號的旁瓣抑制方法。The jamming of two models of pulse compressed radar, linear frequency coded radar and bi - phase coded radar, are studied in this dissertation
本論文討論了脈沖壓縮雷達中兩種典型的雷達制式:線性調頻雷達和二相編碼雷達的干擾。Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear frequency modulation. it has high resolution in range because of its great bandwidth
線性調頻信號是通過線性頻率調制獲得大的時寬帶寬積的一種脈沖壓縮信號,具有大的帶寬,因此有高的距離分辨力。According to the eer theory, using the amplified envelope signal as the power supply of the class - d amplifier, the envelope will modulate the magnitude of the rf signal. the modulated impulse rf signal is added to the impedance match circuit, so the amplified am signal is achieved
將放大的包絡信號作為class - d載頻放大器的電源,根據eer原理, class - d載頻放大器輸出載頻信號的幅度將受到包絡信號的線性調制,達到同時實現對載頻信號的放大和am調制的目的。Lfm signal is a classic pulse compression signal and it is one of the ultra - wideband radar waveforms, there is sophisticated theoretical basis of its generating, receiving and processing
線性調頻信號作為一種典型的脈壓信號,同時也是超寬帶雷達調制波形中的一種,其產生和接收處理已具備了較為成熟的理論研究。To improve anti - jamming technique by spread spectrum close to monochromatic frequency, so that enhance the ability of anti - active - jamming and anti - passive - jamming, anti reconnaissance, anti - radiation missile, anti - stealth, by means of multi frequency spread spectrum and hopping spectrum instead of mono - frequency spread spectrum, realizing strong processing system for anti - interference signal, providing the method of generating of chirp signal and corresponding matched filter system
摘要為改進線性調頻雷達系統所採用的在單色頻率點附近擴譜抗干擾技術,加強制導雷達站具備抗有源、無源干擾,反偵察,抗硬殺傷的反幅射導彈和反隱身的能力,通過將單頻點擴譜改為多頻點擴譜跳譜,實現了高抗干擾信號處理系統,給出方案中在中頻段實現的線性調頻信號產生方法以及對應的匹配濾波處理系統。Continuous single tune jamming is an effective jamming to linear frequency - modulated radar. however it can not suppress signal output after being full of the sidelobe suppress filter of the jammed bi - phase coded radar, no matter how great the power of it may be
單頻正弦波干擾對線性調頻雷達是一種有效干擾,但對於二相編碼雷達無論具有多大的功率在充滿二相編碼雷達接收機的旁瓣抑制濾波器后也不能壓制信號主瓣,因此是一種無效干擾。With the rapid development of wireless communication the linear modulation methods are widely used
隨著無線通信技術的飛速發展,線性調制技術正得到越來越廣泛的應用。It presents the mathematical models for the ppm modulation and demodulation circuits system. author gives out the conditions of linear modulation and demodulation, and educes its connection between the modulation factor and maximal laser frequency excursion
建立了ppm調制與解調的數學模型,給出了實現線性調制與解調的條件以及調制深度與最大激光頻率偏移之間的關系。Under the same restriction of a universal sdr hardware platform, the demodulation of linear modulated waveform, continuous phase ( no - linear ) modulated waveform, and multi - carrier modulated waveform, are investigated. corresponding to those three modulation schemes, bust mode mpsk, omsk, and ofdm signals are taken as the examples to implement a multi - mode sdr receiver, and results are presented
本文在軟體無線電通用硬體平臺結構下,分析了線性調制方式、非線性連續相位調制方式和多載波調制的軟體接收機實現問題,分別以突發模式mpsk調制、 gmsk調制、 ofdm調制模式為對象,給出了具體的多模式接收實現方法和模擬結果。This converter is thermally protected and current limited, protecting the load and regulator during fault conditions. in the circuit design chapter, the basic charge pump operation principle and equivalent circuit model are given first. then two control modes, pulse skip mode and linear mode, are analyzed
在電路設計中,首先分析了跨周期調制的電荷泵dc / dc轉換電路的基本原理,然後推導出電荷泵等效模型,以此為理論依據分析了電荷泵的兩種控制模式:線性調制模式和跳周期調制模式。分享友人