simple agc automatic gain control algorithm

... mạch tương tự như mạch AGC cho màu. Khi C mạnh thì AGC phân cực yếu và đổi lại khi C yếu thì AGC cho phép phân cực mạnh. Với màu AGC có tên là ACC (Automatic Color Control) . hình Khi qua ... và (R - Y) như sau: Giáo trình kỹ thuật điện Mạch tự động điều chỉnh độ lợi AGC AUTOMATIC GAIN CONTROL Ta dùng 2 Transistor T 1 và T 2 dẫn điện ở 2 ... vậy mạch AGC phải làm tăng phân cực ⇒ điểm Q 3 phải dời về điểm Q 4 (IC Q3 Æ IC Q4 ). Vậy đoạn [BC] ứng với mạch AGC thuận. Trong mạch AGC đã khảo sát ta thấy: Khi v i tăng mạch AGC có...

Ngày tải lên: 15/12/2013, 16:15

... 5.1.2 Process Gain Next to action, process gain is the most important process characteristic. The process gain (not to be confused with controller gain) is the sensitivity of the controlled variable ... B PID Control PID Control Figure 17 Two PID controllers that share one valve. Suppose the output of a controller is broken by a selector, with the output of another controller taking control ... (typically 4 to 20 ma.) for transmission to the controller or control system. • The control algorithm . A mathematical algorithm inside the control system is executed at some time period (typically...

Ngày tải lên: 22/12/2013, 21:15

... type of control used , it may or may not respond quickly enough to protect against spikes and faults • (Correct answer and selected output are #3.) 1. [[[Depending-on [[the type] [of [control ... [enough to [protect [against [spikes and faults]]]]]]] . 2. [[[Depending-on [[the type] [of [control used]]]] ,] it [may-or-may-not respond [quickly [enough to [protect [against [spikes and faults]]]]]]] ... [[[Depending-on [[the type] [of [control used]]]] ,] it [may-or-may-not respond [[quickly enough] [to [protect [against [spikes and faults]]]]]]] . 4. [[[Depending-on [[the type] [of [control used]]]] ,]...

Ngày tải lên: 31/03/2014, 06:20

Ngày tải lên: 20/06/2014, 23:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 29/06/2014, 09:20

... operated p than control limits for the entire period. From this data, it is clear that installation and operation of sensor control unit substantially improved chemical inhibitor control. Biological control ... sensitivity and measurement differentiation (or range) for an automatic control sensor. A controller, Model 2EZ, used as the control interface between the sensor and chemical feed pum sufficient ... along with development of an on-line UV florescent monitor/controller. This unique tracer and control method allows automatic monitoring and control of inhibitor dosage and is currently marketed...

Ngày tải lên: 16/01/2014, 22:20

... Circuits 107 Motor Control Circuits 114 ENGINEERING MANUAL of AUTOMATIC CONTROL ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 36 ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 22 Fig. ... automatic control. ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 17 Fig. 20. Comparison of Analog and Digital Control Signals. CONTROL MODES Control systems use different control ... microprocessor-based controllers. Adaptive control algorithms enable a controller to adjust its response for optimum control under all load conditions. A controller that has been tuned to control accurately...

Ngày tải lên: 24/01/2014, 23:20

... in connection with the separation of grammar and algorithm is that the gram- mar table constitutes a set of input data to the particu- lar algorithm, in a similar way in which the sentences ... source. Likewise, it is possible to view the executive routine of the algorithm which contains the grammar as the actual parsing algorithm and to view the remaining portions as forms of input data. ... separation of grammar and algorithm is considered far from convincing. It does raise a related question, how- ever: If the major separation is not to be that between grammar and algorithm, what then...

Ngày tải lên: 07/03/2014, 18:20

... the OSTIA algorithm might be improved. Similarly, if the OSTIA algorithm is training on cases of flapping in which the preceding environment is ev- ery stressed vowel but one, the algorithm ... (1) t ~ dx / (r r* V 2 The OSTIA Algorithm Our phonological-rule induction algorithm is based on augmenting the Onward Subsequential Transducer Infer- ence Algorithm (OSTIA) of Oncina et al. ... because of accidental prior structure. Consider again the English flapping rule, which applies in the context of a preceding stressed vowel. Our algorithm first learned a transducer whose decision...

Ngày tải lên: 08/03/2014, 07:20

... former enables the semi- automatic derivation of basic algorithms, the latter enables the automatic testing of such algorithms. When a linguist wishes to derive an algorithm, he furnishes the ... the algorithm. † The context-selecting program was written by W. Bossert. lations. Its operation is based on the automatic as- sociation of basic algorithms with dictionary entries, the automatic ... others. B. A SAMPLE TRANSLATION ALGORITHM Most of the syntactic and semantic algorithms pro- posed in the literature of machine translation can be stated as basic algorithms or as chains of basic...

Ngày tải lên: 16/03/2014, 19:20

... linguitic knowledge than the pattern-matching algorithm described here. This algorithm is both simple and general, and can serve as a benchmark against which more complex ap- proaches can be ... constructions. 2 A pattern-matching algorithm This section describes the pattern-matching algo- rithm in detail. In broad outline the algorithm can 4 Conclusion This paper described a simple pattern-matching ... advocated by Johnson (1998). The algorithm has two phases. The first phase of the algorithm extracts the patterns from the trees in the training corpus. The second phase of the algorithm uses these extracted...

Ngày tải lên: 17/03/2014, 08:20

... co-training framework. The general co-training algorithm we used is described in Algorithm 1. Given a set L of labeled data and a set U of unlabeled data, the algorithm first creates a smaller pool U ′ containing ... time-consuming task. In this paper, we exploit semi-supervised learning with the co-training algorithm for automatic de- tection of coarse level representation of prosodic events such as pitch accents, ... labeling manually. Therefore, automatic labeling of prosodic events is an attrac- tive alternative that has received attention over the past decades. In addition, automatically detecting prosodic...

Ngày tải lên: 23/03/2014, 16:21

... proposed, such as LQR/LQG control [2,3], H 2 /H ∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, ... necessary control force ______ * Corresponding author. Tel.: 84-4-8326134 E-mail: ndanh@imech.ac.vn  Actuators, Control forces Controlled system Excitations Responses Computer, control algorithm ... a given control algorithm; actuators to produce the required forces. When only the responses can be measured, the method is called feedback active control. In recent years, the active control...

Ngày tải lên: 28/03/2014, 13:20

... proposed, such as LQR/LQG control [2,3], H 2 /H ∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, ... necessary control force ______ * Corresponding author. Tel.: 84-4-8326134 E-mail: ndanh@imech.ac.vn  Actuators, Control forces Controlled system Excitations Responses Computer, control algorithm ... structural control problem is to determine a control strategy that uses the measured structural responses to calculate an appropriate control signal to send to the actuator. Many control strategies...

Ngày tải lên: 28/03/2014, 13:20

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Ngày tải lên: 16/04/2014, 16:23

Ngày tải lên: 17/04/2014, 09:15

Ngày tải lên: 13/05/2014, 03:24