negative modulation
英 [ˈneɡətɪv ˌmɒdjʊˈleɪʃən]
美 [ˈneɡətɪv ˌmɑdʒəˈleɪʃən]
负极性调制
双语例句
- When the second-order and fourth-order dispersions are respectively positive and negative, no modulation instability occurs.
当二阶和四阶色散分别为正和负时，无调制不稳定性； - I2C-bus programmable modulator for negative video modulation and FM sound.
I2C总线可编程调制负的视频调制和FM声音。 - In order to reject the zero sequence and negative sequence disturbance due to unbalanced load, a solution using two-stage four-leg matrix converter based on carrier modulation strategy was proposed.
为了抑制不平衡负载中的零、负序扰动，提出一种基于载波调制的双级四脚矩阵变换器解决方案。 - Each watermark is added to the frequency coefficients of wavelet domain more than JND through positive modulation and negative modulation.
利用视觉特性将水印值正向和负向调制叠加在宿主图像大于各域值的小波系数上，具有很强的鲁棒性。 - Three techniques are combined in this power supply, namely, current source driving, negative resistance frequency modulation and floating bridge. The obvious advantages are its powerful circuit functions, simplicity and compactness of the converter circuits, especially its high reliability.
此电路同时采用了电流源驱动、负阻调频、浮动桥路等三项技术，电路功能强，在变换器电路的简单化、小型化、特别是提高可靠性方面，都显示了明显的优点。 - Conclusion: The Chinese herb emodin can ameliorate the systemic inflammatory response during acute necrotic pancreatitis. The mechanisms might be ascribed to its negative modulation of IL-1 β, TNF-α and up-regulation of IL-10.
结论：大黄素减轻急性坏死型胰腺炎大鼠全身炎症反应时的多器官损伤的机制可能是大黄素负性调节细胞因子IL-1β、TNF-α和IL-10的表达。 - The diffractive optical element, with the negative dispersive characteristic and the random phase distributing to realize random phase modulation for wave-front, is helpful to simplify the optical system, and the optical plastic elements further reduce the weight of the system.
衍射光学元件具有独特的负色散性质和以其任意的相位分布实现对光波面的任意相位调制的特点，用在光学系统中可大大简化系统结构，而光学塑料在进一步减轻系统重量方面有优势。 - The results show that, the positive and the negative quintic nonlinearity will intensify and suppress modulation instability induced by the cross-phase modulation, respectively.
结果表明，正、负五阶非线性分别对交叉相位调制不稳定性起加强和抑制的作用； - Several current conveyor functional circuits such as simulated inductors, the first-order slope equilibrator and the first-order phase equilibrator are presented. The E type frequency dependent negative resistor, capacitor multipliers, analog multiplier and amplitude modulation using current conveyor are first presented.
提出了若干电流传送器功能块电路，如仿真电感、一阶斜坡均衡器和一阶相位均衡器，首次提出了基于电流传送器的E型频变负阻、电容倍增器、模拟乘法器和幅度调制器。 - Negative Capacitance and High-Speed Modulation of Semiconductor Light-Emitting Devices
半导体发光器件的负电容与高速调制 - In endocrine system itself, there are complex negative feedback modulation mechanisms too, which ensure that its modulation of human body is controllable.
内分泌系统内部存在着复杂的反馈调节关系，以保证其对机体的调节处于可控状态。 - The design of the constant value unit accords to the negative feedback control theory, including power and temperature. Because the method of the temperature-wavelength modulation slowly, this paper uses the PI isolated circuit to speed up the rate of the temperature modulation effectively.
恒值单元根据负反馈控制原理，分别设计出功率和温度负反馈稳定电路，并针对温度-波长调制速度慢的缺点，引入了比例积分分离电路，有效加快了温度调制速率。 - This negative modulation may be helpful to maintain normal neuronal excitation during synaptic transmission.
这种负反馈调控可能有助于保持正常的神经膜兴奋性。