| 1. | Space - bandwidth product
空间带宽积 |
| 2. | Gain - bandwidth product
宽频增益器 |
| 3. | Key words operational amplifers , gain - bandwidth product , circuit - mode , active filter
关键词运算放大器,带宽增益积,电流型,有源滤波器 |
| 4. | It does not need any matched components to reach high cmrr and its bandwidth is not gain - bandwidth product limited
该结构不需要任何精确匹配的电阻就能达到高的共模抑制比,并且其带宽不受带宽增益积的限制。 |
| 5. | Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear frequency modulation . it has high resolution in range because of its great bandwidth
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。 |
| 6. | Based on the acoustic energy flow detection , the spatial energy flow suppression can obtain time - space gain in direct proportion to time - bandwidth product , which is just the main advantage of the vector transducer
基于矢量水听器的声能流检测器利用空间声能流抵消技术相对于声压检测器可获得与时间带宽积成正比的时空增益。 |
| 7. | Pulse compression technique is widely used in modern radar systems . it solves the contradiction between the range and velocity resolution . large time - bandwidth product signals such as linear frequency modulation signals ( lfm ) are used in pulse compression technique to improve the resolution in range domain
现代雷达系统广泛采用脉冲压缩技术,在确保雷达作用距离和速度分辨力的前提下,采用大时带积脉冲压缩信号:如线性调频( lfm )信号提高距离分辨力。 |
| 8. | The joint transform correlator ( jtc ) is paid more attention by researchers than the matched filtering correlator ( mfc ) with its advantages , such as high spatial bandwidth product , without integrated filtering and real - time operation etc . photorefractive crystals have some advantages , such as fast response , high spatial resolution and large storage capacity etc . we can exert both advantages by combining the photorefractive crystal with the jtc
与匹配滤波相关器相比，联合变换相关器具有诸多优点，如空间带宽积高、无需滤波综合、易于实时操作等，所以近年来更加引起人们的研究兴趣。光折变晶体具有响应速度快、空间分辨率高、存储容量大等优点。将光折变晶体与联合变换相关器相结合构成光折变联合变换相关器，就可以充分发挥二者的优势。 |
| 9. | A new if simulation signal digital model was developed , which has the ability to simulate the ocean return wave noise and the instrument thermal noise . by this simulation data , smle is successfully tested , and the rf ocean return wave simulator also worked correctly . it is difficult for altimeter to realize closed loop internal calibration with a large time - bandwidth product
( 4 )提出了雷达高度计海面回波中频仿真信号的数字模型，该模型具有仿真高度计海面回波噪声和仪器热噪声的功能；基于该模型的软件仿真器成功的对高度计跟踪器进行了验证；同时，该模型仿真的信号应用于雷达高度计射频回波模拟器也获得了成功。 |
