modulation rate
英 [ˌmɒdjʊˈleɪʃən reɪt]
美 [ˌmɑdʒəˈleɪʃən reɪt]
网络 调制率; 调制比率; 调制速率; 调变率; 调制速度
双语例句
- This increase is achieved by applying a lower code or modulation rate to approximate the desired spectral manipulation.
通过应用较低的编码速率或调制率达到近似所需的光谱操纵，可以实现这种增长。 - Vascular endothelial function was evaluated by arterial augmentation index ( AAI), and autonomic modulation was evaluated by heart rate variability ( HRV) and blood pressure variability ( BPV).
采用动脉增加指数（AAI）评价血管内皮功能，心率变异（HRV）及血压变异（BPV）评价自主神经调制。 - For IR-UWB system with BPSK modulation, the bit error rate is calculated for UWB receiver at different directions under situations of fixed signal-to-noise ratio or fixed noise power spectrum density in the channel.
对于采用BPSK调制的IR-UWB通信系统，文中计算了在固定信噪比和固定噪声功率谱的两种不同情况下，接收机与发射机间具有不同相对位置情况下的误码率。 - The modulation scheme and the coding rate are adaptively changed according to the downlink channel quality feedback.
在HSDPA系统中，其调制方式和编码可以随着下行链路的质量状况自适应改变。 - In some applications, sampling with Nyquist frequency may be hard to implement due to hardware limitation. Based on subsampling, a method which estimates the modulation rate and initial frequency of the ultra-wideband LFM signal is presented in this paper.
针对Nyquist采样频率过高、硬件实现困难的问题，提出一种基于欠采样的超宽带线性调频信号的调制斜率和初始频率估计方法。 - After modulation rate estimated roughly using the signal with its delay version production and Newton's iterative method, signals are filtered and separated in the Fractional Fourier Transform domain.
该方法先由延迟相乘和牛顿迭代算法估计信号的调频斜率，然后在分数阶傅立叶变换域进行滤波，实现信号分离。 - The subject realizes frequency hopping technology and GMSK modulation, and realizes communication rate 192kbit/ s.
本课题将跳频技术和GMSK调制相结合来实现通信速率为192kbit/s。 - The basic concept of the scheme is to utilize a coupling relation between the lag angle ξ and modulation rate mr and resulting in reducing the complexity of system design.
该方案基本思想是利用滞后角ξ和调制比mr的耦合关系来减少系统设计的复杂程度。 - This article introduced a LED AM modulation rate instrument designed for radio station.
本文介绍了一种针对电台工作设计的LED调幅表。 - Based on the cross-spectra ESPRIT algorithm and remainder theorem, the modulation rate and initial frequency of the subsampling ultra-wideband LFM signal are estimated unambiguously and precisely even in low SNR.
该方法利用互谱ESPRIT算法和余数定理对欠采样信号进行解模糊，在低信噪比情况下仍能较精确地估计超宽带线性调频信号的调制斜率和初始频率。 - With its single mold characteristic, low threshold value of the electrical current and high modulation rate etc., the Vertical Cavity Surface Emitting Laser has been extensively applied in the Fiber Optical Communication, but its application in Wireless Laser Communication is fresh.
在光纤通信中广泛应用的垂直腔面发射激光器，以其单模特性好、阈值电流低、调制速率高等特点备受人们青睐，而在无线激光通信中的应用鲜有报导。 - In addition, based on FFT and remainder algorithm, the modulation rate and initial frequency of sub-sampling UWB LFM signal are estimated unambiguously in negative SNR.
该方法通过FFT和余数定理解频率模糊，解决了负信噪比条件下超宽带线性调频信号调制斜率和初始频率的估计问题。 - The Design of Modulation in High Data Rate Satellite Communication
基于高速数传率时的卫星通信调制体制的设计 - The optimal operating condition of gain switched semiconductor laser with different modulation rate is studied in this paper.
研究了不同调制速率下的增益开关半导体激光器的最佳工作状态。 - The LED AM Modulation Rate Instrument with Alarm Function
具有报警功能的LED调幅表 - The effects of the modulation rate, reading beams ′ intensity ratio, initial fixed grating strength and the crystals ′ nonlinear coupling strength on the enhancement speed and steady state diffraction efficiency are discussed.
文章讨论了调制速率、读出光强比、晶体非线性耦合强度及初始光栅强度对增强速度及可获得的饱和衍射效率的影响。 - The adaptive modulation system with symbol rate and level adjustable has the adventages of that with QAM constellation adjustable, and furthermore its peroformance improves greatly with respect to the dynamic range and delay immunity.
研究表明，星座图与符号率联合控制的自适应调制系统，在具备单纯星座可调的自适应调制系统优点的同时，还改善了这种调制方式在动态范围和延时免疫力方面的缺陷。 - A Modified Integral Pulse Frequency Modulation Model of Heart Rate Variability
心率变异性信号的修正IPFM模型 - The new modulation has improved the transfer rate, while increasing the signal peak-to-average power ratio ( PAPR).
但新的调制方式在提高传输速率的同时也增大了信号的峰均值功率比（PAPR）。 - Parameters that influence droplet sizes from the nozzle include solenoid valve modulation rate, liquid pressure, air velocity discharged from the nozzle, and spray solution physical property.
影响雾滴粒径大小的可控参数主要有电磁阀占空比、喷雾压力、喷头出口风速和喷雾药液物理特性。 - The spectrum-compressed signal can be reconstructed by using the spectrum-reconstructed network. The modulation rate and initial frequency of the spectrum-reconstructed LFM signal can be estimated precisely. 6.
压缩信号可利用频谱恢复网络实现信号的重构，LFM信号的初始频率和调频斜率在频谱恢复后仍可较精确估计。 - Simulation results show that this algorithm has lower bit error rate and higher modulation rate, so it can better ensure real time communication. Finally, This paper designs and implements a simulation platform of end-to-end voice secure communication system.
仿真结果显示，该算法同时具有低误码率和高调制速率，因此能更好的保证通话的实时性。本文在最后设计并实现了端到端语音保密传输系统的仿真平台。 - The fractional Fourier transform would correctly estimate signals 'central frequency on the basis of frequency modulation rate estimation using Radon-Ambiguity transform and acquire the accurate targets' range.
在利用Radon-Ambiguity变换估计出调频率的基础上，结合分数阶Fourier变换准确地估算出信号的中心频率实现距离速度去耦合，进而得到正确的目标一维距离谱。 - The latter improved the modulation rate and the transmission rate.
该系统改进前面系统的调制速率，提高了传输速率。 - However, the differential modulation may make bit error rate doubled and generate additional SNR cost.
然而，差分调制会导致信号误码率加倍，产生额外的信噪比代价。 - Theoretic analysis showed that, the root causes of resonance peaks vibration came from too fast PZT modulation rate, and then its impact on gyroscope were studied.
理论上证明了正弦波调制下谐振峰振动现象的根本原因来自于PZT的调制速率过快，并据此研究了对陀螺输出的影响。 - Droplet diameter consistencies varied with air velocity, liquid pressure, modulation rate, and spray solution physical properties.
雾滴粒径随着喷头出口气流速度、喷雾压力、喷雾药液特性的变化而变化。 - Through the curve of the beam contrast with the increase spatial frequency, we concluded that the small-scale modulation growth rate is of parabolic distribution.
通过光束对比度随空间频率增长的变化曲线，得出小尺度调制增长率呈抛物线分布的结论。 - In the MSK modulation technology, broadband high-speed rate of MSK modulation technique is relatively mature, and large-scale application can be found in the short-wave frequency band.
在MSK调制技术中，宽带高速率的MSK调制技术已经比较成熟，可以大规模的应用在短波频段。 - Signal modulation type recognition can provide cognitive radio system with working frequency, modulation, symbol rate and other parameters, which makes it has the ability of reconfiguration and achieves intelligent communication.
信号的调制类型识别可以为认知无线电系统提供工作频率、调制方式、符号率等参数，使其具备重新配置的能力实现智能通信。