但是移动通信仍然存在着信号不稳定，话费较贵的缺点。
However, the unstable signal and more expensive charges still exist.
车速飞快时信号不稳定，在地下则根本没信号，但是总体质量是在不断上升的。
The reception isn't great while travelling at speed and doesn't work at all underground. But the quality is improving all the time.
在实际应用中提出了解决现场信号不稳定的两种测量方法，即周期计数和定时截取的测量方法。
Two measuring methods of period-counting and timing break forward in order to practically solve the unsteadiness of the site signal.
在实际应用中提出了解决现场信号不稳定的两种测量方法，即周期计数和定时截取的测量方法。
Two fT1casuring methods of peried-counting and time-counting are put forward in order to practically solve the unsteadiness of site signal.
本文采用计算机模拟的方法，利用分布式杂波模型对雷达发射信号不稳定数字补偿技术进行了研究。
Computer simulation method is used to study the performance of digital compensation technique. Three compensation methods are compared using scattered clutter model.
针对微惯性测量组合无法长时间单独工作、GPS卫星信号不稳定的问题，提出MIMU/GPS组合导航的方法。
MIMU/GPS integrated method is proposed for solving the problem that MIMU can not work alone for long time and the signal of GPS is not stable.
心脏骤停是一种对触发心跳的电信号的破坏，能够导致心脏不稳定地跳动，使其不能有效地供给血液。
A cardiac arrest is a disruption of the electrical signals that trigger heartbeats, causing the heart to beat erratically so that it does not pump blood effectively.
学术研究指出，更高的交易成本会导致市场更加不稳定，并且会扭曲价格信号。
Academic research suggests that higher turnover costs lead to more volatile markets and to distorted price signals.
当小鼠自发性发作时，心跳变的更不稳定，暗示从大脑到心脏的信号被扰乱了。
When the mice had epileptic seizures, their heart beats became even more erratic - suggesting the signals from their brains to their hearts were disordered.
然后他注意到自己的生物信号：衰退的血压，不稳定的心跳，电解液失常。
Then he noticed his bio signs: failing blood pressure, erratic heartbeat, electrolytes all wrong.
LQR控制器用于倒立摆的控制模式，保持摆锤稳定在竖直向上不稳定状态点附近，使小车位移跟踪给定信号。
The LQR controller uses the pendulum control mode to keep the pendulum near the vertical up unstable state points and gives signals of car displacement tracking.
元器件和PCB板的参数、元器件在PCB板上的布局、高速信号的布线等因素，都会引起信号完整性问题，导致系统工作不稳定，甚至完全不工作。
The problem caused by some factors such as parameters of devices and PCB, layout of devices on PCB and trace of high-speed signal, etc results in the unstable or even none operation of system.
通过构建适应度函数，根据信号适应度函数进行遗传选择，舍弃不稳定信号，对有用信号进行杂交，从而获得较高的定向精度。
The instable signal is abnegated and the steady signal is intercrossed for improving the precision through constructing adaptive function and the process of genetic selection.
变步长自适应数字滤波器的权值随信号和噪声的变化自动调整时可能出现不稳定。
Adaptive digital filters with variable step-size may become unstable when their weights are automatically adjusted with input signal and noise.
CRP是不稳定性动脉粥样硬化疾病发生的危险信号，也是心脑血管病发病和死亡的危险因素。
CRP is the dangerous signal of the occurrence of unsteady arteriosclerosis, as well as heart and blood vessels.
作者认为利用程控放大器消除光栅信号缺陷的方法，可有效消除信号的幅值不稳定和直流电平漂移，并对信号的可调节范围及精度作了定量分析。
A method which can be used to eliminate the defects of the grating signal has been discussed. The controllable range and accuracy of the signal has been calculated.
连续第三个月，美国就业人数下降——这经常是经济严重运行不稳到了下滑状态的报警信号。
For the third month in a row total U. S. employment rolls shrank - often a telltale sign that the economy has jolted dangerously into reverse.
中国上市公司的股利政策普遍存在不稳定性，这使得股利政策的信号传递理论在中国的应用与西方国家存在区别。
Dividend policy is the one of the key point of company's financial management. Dividend Signal theory states that the dividend policy can tell the information about the company's future profit.
外激励相位控制采用微小信号控制并使控制信号与系统的不稳定周期轨道达到最佳相位匹配，获得最佳控制效果。
The small control is adopted also in the phase control and the best phase matching between the control signal and the unstable periodic orbit is reached. Then the best effect of control is got.
光纤通信子系统基本试验程序。第2-5部分：数字系统的试验程序。不稳定信号传输功能测量。
Fibre optic communication subsystem basic test procedures. part 2 - 5 : test procedures for digital systems. jitter transfer function measurement.
这种方法加大了系统硬件的复杂度，同时系统也极易受到外界的干扰，所采集的信号也极不稳定。
However, this way increases the complexity of the system, making the system vulnerable to outside interferences, and the acquired signal is also unstable.
然后，此压力由经过电子饲服阀从EV - 1接收到的信号调节，产生所需要的稳定的或不稳定的血管外室压力。
It is then modified by signals received from the EV-1 via the Electronic Servo Valve to create the desired steady or non-steady extravascular chamber pressures.
算法引入电容电流内环以抑制系统不稳定的现象，电容电流信号通过估计过程得到。
The capacitive current inner loop is used to suppress system instability and the capacitive current is obtained by estimation.
通过控制逆变器输入平均电流调节负载功率，简化了电路设计；通过单片机发出高频加低频调制的半桥驱动信号，消除调光过程中的电弧不稳定现象。
A easier and low-cost power control method is proposed in this paper, based on the regulation of the average input current of the inverter.
通过控制逆变器输入平均电流调节负载功率，简化了电路设计；通过单片机发出高频加低频调制的半桥驱动信号，消除调光过程中的电弧不稳定现象。
A easier and low-cost power control method is proposed in this paper, based on the regulation of the average input current of the inverter.
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