signal bias

From simulation results, the third-order inter-modulation distortion ratio ( IMD3) can be reduced by-10 dB on average when a two-tone signal is input. Finally, the bias-controlled predistorter has been used in OFDM system.

从仿真结果可以总结出，当系统采用双音信号作为输入时，功率放大器输出的三阶互调失真可以平均减少10dB。最后，将二极管偏压控制预失真器应用于OFDM系统中。

Based on the analytic expressions of the IM products, intermodulation distortion ( IMD) sweet-spot and its dependencies on Taylor series coefficients, gate bias, drain bias, temperature, input signal levels and loads are analyzed.

根据二阶和三阶互调失真表达式，分析了互调失真抵消效应及其对泰勒级数系数的本征依赖性和对栅极偏置、漏极偏置、工作温度、输入信号功率大小及负载阻抗的外部依赖性。

The reliable operation ranges of capacitive accelerometer with voltage feedback for quasi-static signal and step signal are investigated. The effect model of driving signal with different bias voltage polarities on the critical acceleration that causes pull-in failure is set up.

对准静态惯性信号和阶跃惯性信号，深入研究了力反馈加速度计的可靠工作范围，建立了不同偏压配置的驱动信号对引起吸合失效的临界加速度信号的影响模型。

The method starts with difference between uplink and downlink signal delay to analyze how to increase timing precision, and applies Bayesian approach to compute satellite clock bias so as to calibrate it when DMSS is on orbit flying.

该方法以星间链路的上、下行信号传输延迟时间差为出发点进行分析以改善同步精度，并用贝叶斯估计对在轨运行的DMSS星间钟面差进行计算并校时。

The positive-going signal subtracts from the forward bias of the lower transistor.

正向信号则使它的正向偏压减弱.