我们假设这样一种复杂的表型逆转可能是由于多重信号因子(彼此结合时可允许肿瘤细胞形成静态类腺泡结构)的作用。
We hypothesized that such a complex phenotypical reversion is likely the result of multiple signaling factors that in combination allow cancer cells to form quiescent acinar-like structures.
研究兼顾静态性能和力学环境适应性的信号检测方案是高精度光纤陀螺实用化的迫切要求。
Good static and dynamics environment performance of the signal detection scheme is necessary to meet the practice application of the high precision fiber optic gyroscope (HPFOG).
通过采集弯曲力的变化信号,总结弯曲经验,制定控制规则,改善了系统的动静态特性。
This design method can improve dynamic and static characteristics of system by collecting bending force signal, summarizing experience and designing control rule.
结果表明,对于静态漂移信号的处理,三种方法的滤波效果大致相当。
The simulation result showed that the static drift signal filtering effects of the three filtering methods were almost the same.
PC与DSP的数据交换采用高速静态RAM,并设计总线仲裁电路及相应的握手信号,以保证PC与DSP双方对RAM的正确读写。
PC and DSP exchange data using high speed static RAM and bus arbitration circuit and corresponding handshake signal is designed to ensure the correct reading and writing RAM.
利用数字信号处理技术和模态实验方法,对不同情况下缸盖系统的动态传递函数和静态传递函数进行了分析比较。
By means of digital signal processing technique and model test, the properties of both dynamical transfer function and statical transfer function are analysed under varying conditions.
该方法利用三角波信号作为测试激励,采用码密度直方图分析方法快速计算ADC的各静态参数。
The static parameters of ADC were extracted from the histogram of ADC's out codes, which stimulated with triangle-wave signal.
该方法利用三角波信号作为测试激励,采用码密度直方图分析方法快速计算ADC的各静态参数。
The static parameters of ADC were extracted from the histogram of ADCs out codes, which was stimulated with triangle-wave signal.
微波功率放大器设计需要大信号s参数,但大多数情况下,设计者只有小信号s参数和静态I - V曲线。
The design of microwave power amplifier needs large-signal s parameters, but under most circumstances, the designer only has small-signal s parameters and the static I-V curve.
本论文在悬臂梁式SAW加速度计研究方面所做的主要工作和取得的成果有:1。分析了悬臂梁式SAW加速度计信号的静态和动态响应。
The text carries on to the SAW accelerometer has moved the vertical analysis. 1. The article has analyzed the dynamic and static response of the bracket beam plate SAW accelerometer signal.
由于模拟直流信号是静态或缓慢变化的,因此测量时更注重于测量电平的精确度而不是测量的时间或速率。
Because the analog DC signal varies slowly, the accuracy of the measured level is of more concern than the time or rate at which you take the measurement.
它可以克服原始cgpc有静态偏差,不能利用可测扰动信号和设计参数偏多的缺点。
It can overcome the shortcomings of the original CGPC with offset and much more design parameters and without using measurable disturbance signals.
考虑到有些场合没有无线网络的信号时,可以通过可移动USB介质导入一些静态数据到系统中;
The function of the USB module is to input some data from a USB mobile media where the signal of WLAN is not received.
实验结果表明本信号电源工作稳定、频率变化范围大,同时具有良好的动静态性能。
Test results show that the signal power supply has good stability, wide frequency range and good performance.
采用白噪声信号作为标准声源的输入信号,在常温无气流条件下对消声器实物模型进行了静态放声试验。
After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.
该方法根据信号的特征恢复思想,以SRM为准则构造具有时间去相关特性的代价函数,采用静态迭代学习算法在线跟踪信道。
According to the feature reconstruction of signals, the method constructs the time decorrelation cost function under SRM rule, and traces channel using static iterative learning algorithm.
试验结果表明:系统信号传送稳定,同步精度较高,静态与动态性能均满足设计要求。
Test results showed that the system signal transmission is stable, synchronous accuracy is high, and both its static and dynamic performances can meet requirements of system design.
针对混合信号电路的测试问题,提出了一种内建自测试(BIST)结构,分析并给出了如何利用该结构来计算片上高速模数转换器(adc)的静态参数。
Aiming at the mixed-signal circuit testing, an integrated built-in self test (BIST) architecture for testing on-chip high speed ADC was presented.
对静态位移的测量,二极管检波或乘法检波后分别得到的是一含多频或单频交流成分的脉动直流信号,而乘除法检波后信号不含交流成分。
The DC signals after demodulation still contain AC component of one or several frequencies respectively for multiplication or diode methods, but no AC component for multiplication-Division one.
可使线性静态或动态传输通道中混叠的多源信号实现分离,从而可应用于传输信号上的去噪。
The noise mixed on process signal by a linear and convolutive fashion in a stationary or nonstationary propagation passage can be canceled with this approach.
本文在对系统进行适当简化的前提下,采用“扰动信号反馈注入法”建立了系统的小扰动端口特性,为系统的静态稳定性分析奠定了基础。
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.
采用双晶片探头和电子天平对PZT微力传感器进行静态力标定,进而利用双晶片探头和电荷放大器对PZT微力传感器进行准静态标定,微小信号检测通过锁相放大器来实现。
PZT micro -force sensors were calibrated by bimorph and electronic balance in static state and by bimorph and charge amplifier in dynamic state, small signal was tested by amplifier.
本文讨论的弹载脉冲多普勒雷达目标模拟器主要是在外场静态联试时为雷达提供模拟动态目标回波信号,以检查其截获跟踪性能。
The pulse Doppler radar simulator discussed is used to provide radar echo signals and checkout the performance of radar in an open condition.
采用防水型加速度计,在不同工况下测定洗涤冷却管的振动信号,并用小波变换分析信号;讨论了表观气速和静态液位对小波功率谱的影响,分析了冷却管振动的原因。
The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.
超静态待机,接受广播管理器电脑控制进行可寻址、广播音量调 节,实现音频信号选择、及功率放大。
Super standby, receive the control of broadcasting management unit with addressing and broadcasting volume adjustment function, thus selecting the audio signal and amplifying the power.
超静态待机,接受广播管理器电脑控制进行可寻址、广播音量调 节,实现音频信号选择、及功率放大。
Super standby, receive the control of broadcasting management unit with addressing and broadcasting volume adjustment function, thus selecting the audio signal and amplifying the power.
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